From 309be4261ce1b360fa8f147fc4ab9291e39e6adb Mon Sep 17 00:00:00 2001
From: Kang Huquan <799385272@qq.com>
Date: Tue, 30 Jul 2019 11:30:26 +0800
Subject: [PATCH 01/12] add tags

---
 backend/api/content/main.go             |  10 +-
 backend/srv/content/main.go             | 191 ++++++++++++++----------
 backend/srv/content/proto/content.pb.go | 171 +++++++++++----------
 backend/srv/content/proto/content.proto |   6 +-
 4 files changed, 218 insertions(+), 160 deletions(-)

diff --git a/backend/api/content/main.go b/backend/api/content/main.go
index 4bfaad4..f158a2a 100644
--- a/backend/api/content/main.go
+++ b/backend/api/content/main.go
@@ -141,10 +141,11 @@ func deleteContent(c *gin.Context) {
  */
 func updateContent(c *gin.Context) {
 	type param struct {
-		ContentID    string `form:"contentID" binding:"required"`
-		ContentToken string `form:"contentToken" binding:"required"`
-		FileID       string `form:"fileID" binding:"required"`
-		Type         int32  `form:"type"`
+		ContentID    string   `form:"contentID" binding:"required"`
+		ContentToken string   `form:"contentToken" binding:"required"`
+		FileID       string   `form:"fileID" binding:"required"`
+		Type         int32    `form:"type"`
+		Tags         []string `form:"tags" binding:"required"`
 	}
 	var p param
 	role := utils.GetRole(c)
@@ -173,6 +174,7 @@ func updateContent(c *gin.Context) {
 			FileID:       p.FileID,
 			Content:      data,
 			Type:         content.ContentUpdateRequest_Type(p.Type),
+			Tags:         p.Tags,
 		})
 		if utils.LogContinue(err, utils.Warning, "Content service error: %v", err) {
 			c.JSON(500, err)
diff --git a/backend/srv/content/main.go b/backend/srv/content/main.go
index 7b5ef93..0500016 100644
--- a/backend/srv/content/main.go
+++ b/backend/srv/content/main.go
@@ -9,9 +9,10 @@ import (
 	"jiaojiao/utils"
 	"time"
 
+	uuid "github.com/satori/go.uuid"
+
 	"github.com/h2non/filetype"
 	"github.com/micro/go-micro/client"
-	uuid "github.com/satori/go.uuid"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 )
@@ -27,12 +28,12 @@ type srv struct{}
  *
  * @apiParam {string} [contentID] 24 bytes content id, left empty for first upload
  * @apiParam {string} [contentToken] content token, left empty for first upload
- * @apiParam {bytes} content binary bytes, file accept [image](https://github.com/h2non/filetype#image) and [video](https://github.com/h2non/filetype#video)
- * @apiParam {int32} type 1 for picture <br> 2 for video
+ * @apiParam {bytes} [content] binary bytes, file accept [image](https://github.com/h2non/filetype#image) and [video](https://github.com/h2non/filetype#video)
+ * @apiParam {int32} [type] 1 for picture <br> 2 for video
  * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 2 for invalid type
  * @apiSuccess {string} contentID 24 bytes contentID
  * @apiSuccess {string} contentToken random uuid content token
- * @apiSuccess {string} fileID 24 bytes fileID
+ * @apiSuccess {string} [fileID] 24 bytes fileID, return if content and type not empty
  * @apiUse DBServerDown
  */
 func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp *content.ContentCreateResponse) error {
@@ -56,42 +57,55 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 	}
 
 	// check param
-	if !utils.RequireParam(req.Content, req.Type) {
-		rsp.Status = content.ContentCreateResponse_INVALID_PARAM
-		return nil
-	}
-
 	if !utils.CheckInTest() && !filetype.IsImage(req.Content) && !filetype.IsVideo(req.Content) {
 		rsp.Status = content.ContentCreateResponse_INVALID_TYPE
 		return nil
 	}
 
 	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) { // create new
-		objID, err := upload()
-		if utils.LogContinue(err, utils.Warning) {
-			return err
-		}
-
 		token := uuid.NewV4().String()
 		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 		defer cancel()
 		collection := db.MongoDatabase.Collection("sellinfo")
-		res, err := collection.InsertOne(ctx, bson.M{
-			"token": token,
-			"files": bson.A{
-				bson.M{
-					"fileID": objID,
-					"type":   req.Type,
-				}},
-		})
-		if utils.LogContinue(err, utils.Warning) {
-			return err
-		}
 
-		rsp.ContentID = res.InsertedID.(primitive.ObjectID).Hex()
-		rsp.ContentToken = token
-		rsp.FileID = objID.Hex()
-		rsp.Status = content.ContentCreateResponse_SUCCESS
+		if utils.RequireParam(req.Content, req.Type) { // add file
+			objID, err := upload()
+			if utils.LogContinue(err, utils.Warning) {
+				return err
+			}
+
+			res, err := collection.InsertOne(ctx, bson.M{
+				"token": token,
+				"files": bson.A{
+					bson.M{
+						"fileID": objID,
+						"type":   req.Type,
+					},
+				},
+				"tags": bson.A{},
+			})
+			if utils.LogContinue(err, utils.Warning) {
+				return err
+			}
+
+			rsp.ContentID = res.InsertedID.(primitive.ObjectID).Hex()
+			rsp.ContentToken = token
+			rsp.FileID = objID.Hex()
+			rsp.Status = content.ContentCreateResponse_SUCCESS
+		} else { // empty content
+			res, err := collection.InsertOne(ctx, bson.M{
+				"token": token,
+				"files": bson.A{},
+				"tags":  bson.A{},
+			})
+			if utils.LogContinue(err, utils.Warning) {
+				return err
+			}
+
+			rsp.ContentID = res.InsertedID.(primitive.ObjectID).Hex()
+			rsp.ContentToken = token
+			rsp.Status = content.ContentCreateResponse_SUCCESS
+		}
 	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) { // add exist one
 		if !validCheck(req.ContentID, req.ContentToken) {
 			rsp.Status = content.ContentCreateResponse_INVALID_TOKEN
@@ -148,12 +162,13 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
  * @apiParam {bytes} [content] binary bytes, file accept [image](https://github.com/h2non/filetype#image)
  *                             and [video](https://github.com/h2non/filetype#video) (note: only delete the file if empty)
  * @apiParam {int32} [type] 1 for picture <br> 2 for video (note: only delete the file if empty)
+ * @apiParam {array} tags string array tags, simply overwrite original tags, clear if empty
  * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 3 for not found <br> 4 for failed <br> 5 for invalid type
  * @apiSuccess {string} [fileID] 24 bytes updated file id (note: new file id differs from old one, meaningful only if content and type are not empty)
  * @apiUse DBServerDown
  */
 func (a *srv) Update(ctx context.Context, req *content.ContentUpdateRequest, rsp *content.ContentUpdateResponse) error {
-	if !utils.RequireParam(req.ContentID, req.ContentToken, req.FileID) {
+	if !utils.RequireParam(req.ContentID, req.ContentToken) {
 		rsp.Status = content.ContentUpdateResponse_INVALID_PARAM
 		return nil
 	}
@@ -164,7 +179,7 @@ func (a *srv) Update(ctx context.Context, req *content.ContentUpdateRequest, rsp
 		return nil
 	}
 
-	//delete old file
+	//prepare
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 	collection := db.MongoDatabase.Collection("sellinfo")
@@ -179,63 +194,82 @@ func (a *srv) Update(ctx context.Context, req *content.ContentUpdateRequest, rsp
 		rsp.Status = content.ContentUpdateResponse_NOT_FOUND
 		return nil
 	}
-	_, err = collection.UpdateOne(ctx, bson.D{
-		{"_id", rid},
-		{"token", req.ContentToken},
-	}, bson.D{
-		{"$pull", bson.D{
-			{"files", bson.D{
-				{"fileID", fid},
-			}},
-		}},
-	})
-	if utils.LogContinue(err, utils.Warning) {
-		rsp.Status = content.ContentUpdateResponse_NOT_FOUND
-		return nil
-	}
-
-	srv := utils.CallMicroService("file", func(name string, c client.Client) interface{} { return file.NewFileService(name, c) },
-		func() interface{} { return mock.NewFileService() }).(file.FileService)
-	microDeleteRsp, err := srv.Delete(context.TODO(), &file.FileRequest{
-		FileID: req.FileID,
-	})
-	if utils.LogContinue(err, utils.Warning) || microDeleteRsp.Status != file.FileDeleteResponse_SUCCESS {
-		rsp.Status = content.ContentUpdateResponse_NOT_FOUND
-		return nil
-	}
-
-	//add new file
-	if utils.RequireParam(req.Content, req.Type) {
-		microCreateRsp, err := srv.Create(context.TODO(), &file.FileCreateRequest{
-			File: req.Content,
-		})
-		if utils.LogContinue(err, utils.Warning) || microDeleteRsp.Status != file.FileDeleteResponse_SUCCESS {
-			rsp.Status = content.ContentUpdateResponse_FAILED
-			return nil
-		}
-		fid, err = primitive.ObjectIDFromHex(microCreateRsp.FileID)
-		if utils.LogContinue(err, utils.Warning) {
-			rsp.Status = content.ContentUpdateResponse_FAILED
-			return nil
-		}
 
+	if utils.RequireParam(req.FileID) {
+		//delete old file
 		_, err = collection.UpdateOne(ctx, bson.D{
 			{"_id", rid},
 			{"token", req.ContentToken},
 		}, bson.D{
-			{"$push", bson.D{
+			{"$pull", bson.D{
 				{"files", bson.D{
 					{"fileID", fid},
-					{"type", req.Type},
 				}},
 			}},
 		})
 		if utils.LogContinue(err, utils.Warning) {
-			rsp.Status = content.ContentUpdateResponse_FAILED
+			rsp.Status = content.ContentUpdateResponse_NOT_FOUND
+			return nil
+		}
+
+		srv := utils.CallMicroService("file", func(name string, c client.Client) interface{} { return file.NewFileService(name, c) },
+			func() interface{} { return mock.NewFileService() }).(file.FileService)
+		microDeleteRsp, err := srv.Delete(context.TODO(), &file.FileRequest{
+			FileID: req.FileID,
+		})
+		if utils.LogContinue(err, utils.Warning) || microDeleteRsp.Status != file.FileDeleteResponse_SUCCESS {
+			rsp.Status = content.ContentUpdateResponse_NOT_FOUND
 			return nil
 		}
-		rsp.FileID = microCreateRsp.FileID
+
+		//add new file
+		if utils.RequireParam(req.Content, req.Type) {
+			microCreateRsp, err := srv.Create(context.TODO(), &file.FileCreateRequest{
+				File: req.Content,
+			})
+			if utils.LogContinue(err, utils.Warning) || microDeleteRsp.Status != file.FileDeleteResponse_SUCCESS {
+				rsp.Status = content.ContentUpdateResponse_FAILED
+				return nil
+			}
+			fid, err = primitive.ObjectIDFromHex(microCreateRsp.FileID)
+			if utils.LogContinue(err, utils.Warning) {
+				rsp.Status = content.ContentUpdateResponse_FAILED
+				return nil
+			}
+
+			_, err = collection.UpdateOne(ctx, bson.D{
+				{"_id", rid},
+				{"token", req.ContentToken},
+			}, bson.D{
+				{"$push", bson.D{
+					{"files", bson.D{
+						{"fileID", fid},
+						{"type", req.Type},
+					}},
+				}},
+			})
+			if utils.LogContinue(err, utils.Warning) {
+				rsp.Status = content.ContentUpdateResponse_FAILED
+				return nil
+			}
+			rsp.FileID = microCreateRsp.FileID
+		}
+	}
+
+	//update tags
+	_, err = collection.UpdateOne(ctx, bson.D{
+		{"_id", rid},
+		{"token", req.ContentToken},
+	}, bson.D{
+		{"$set", bson.D{
+			{"tags", req.Tags},
+		}},
+	})
+	if utils.LogContinue(err, utils.Warning) {
+		rsp.Status = content.ContentUpdateResponse_FAILED
+		return nil
 	}
+
 	rsp.Status = content.ContentUpdateResponse_SUCCESS
 	return nil
 }
@@ -309,6 +343,7 @@ func (a *srv) Delete(ctx context.Context, req *content.ContentDeleteRequest, rsp
  * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for not found
  * @apiSuccess {string} contentToken content token
  * @apiSuccess {list} files {string} fileID : file id <br> {int32} type : file type 1 for picture, 2 for video
+ * @apiSuccess {list} tags {string} tag : tag name
  * @apiUse DBServerDown
  */
 func (a *srv) Query(ctx context.Context, req *content.ContentQueryRequest, rsp *content.ContentQueryResponse) error {
@@ -317,13 +352,14 @@ func (a *srv) Query(ctx context.Context, req *content.ContentQueryRequest, rsp *
 		return nil
 	}
 	type files struct {
-		FileID primitive.ObjectID      `bson:"fileID"`
-		Type   content.ContentMsg_Type `bson:"type"`
+		FileID primitive.ObjectID   `bson:"fileID"`
+		Type   content.FileMsg_Type `bson:"type"`
 	}
 	type result struct {
 		ID    primitive.ObjectID `bson:"_id"`
 		Token string             `bson:"token"`
 		Files []files            `bson:"files"`
+		Tags  []string           `bson:"tags"`
 	}
 
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
@@ -345,11 +381,12 @@ func (a *srv) Query(ctx context.Context, req *content.ContentQueryRequest, rsp *
 
 	rsp.ContentToken = res.Token
 	for _, v := range res.Files {
-		rsp.Files = append(rsp.Files, &content.ContentMsg{
+		rsp.Files = append(rsp.Files, &content.FileMsg{
 			FileID: v.FileID.Hex(),
 			Type:   v.Type,
 		})
 	}
+	rsp.Tags = res.Tags
 	rsp.Status = content.ContentQueryResponse_SUCCESS
 	return nil
 }
diff --git a/backend/srv/content/proto/content.pb.go b/backend/srv/content/proto/content.pb.go
index 4acf71f..3f36a75 100644
--- a/backend/srv/content/proto/content.pb.go
+++ b/backend/srv/content/proto/content.pb.go
@@ -181,31 +181,31 @@ func (ContentDeleteResponse_Status) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_61cc9617ce0cf609, []int{5, 0}
 }
 
-type ContentMsg_Type int32
+type FileMsg_Type int32
 
 const (
-	ContentMsg_UNKNOWN ContentMsg_Type = 0
-	ContentMsg_PICTURE ContentMsg_Type = 1
-	ContentMsg_VIDEO   ContentMsg_Type = 2
+	FileMsg_UNKNOWN FileMsg_Type = 0
+	FileMsg_PICTURE FileMsg_Type = 1
+	FileMsg_VIDEO   FileMsg_Type = 2
 )
 
-var ContentMsg_Type_name = map[int32]string{
+var FileMsg_Type_name = map[int32]string{
 	0: "UNKNOWN",
 	1: "PICTURE",
 	2: "VIDEO",
 }
 
-var ContentMsg_Type_value = map[string]int32{
+var FileMsg_Type_value = map[string]int32{
 	"UNKNOWN": 0,
 	"PICTURE": 1,
 	"VIDEO":   2,
 }
 
-func (x ContentMsg_Type) String() string {
-	return proto.EnumName(ContentMsg_Type_name, int32(x))
+func (x FileMsg_Type) String() string {
+	return proto.EnumName(FileMsg_Type_name, int32(x))
 }
 
-func (ContentMsg_Type) EnumDescriptor() ([]byte, []int) {
+func (FileMsg_Type) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_61cc9617ce0cf609, []int{6, 0}
 }
 
@@ -403,6 +403,7 @@ type ContentUpdateRequest struct {
 	FileID               string                    `protobuf:"bytes,3,opt,name=fileID,proto3" json:"fileID,omitempty"`
 	Content              []byte                    `protobuf:"bytes,4,opt,name=content,proto3" json:"content,omitempty"`
 	Type                 ContentUpdateRequest_Type `protobuf:"varint,5,opt,name=type,proto3,enum=ContentUpdateRequest_Type" json:"type,omitempty"`
+	Tags                 []string                  `protobuf:"bytes,6,rep,name=tags,proto3" json:"tags,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                  `json:"-"`
 	XXX_unrecognized     []byte                    `json:"-"`
 	XXX_sizecache        int32                     `json:"-"`
@@ -468,6 +469,13 @@ func (m *ContentUpdateRequest) GetType() ContentUpdateRequest_Type {
 	return ContentUpdateRequest_UNKNOWN
 }
 
+func (m *ContentUpdateRequest) GetTags() []string {
+	if m != nil {
+		return m.Tags
+	}
+	return nil
+}
+
 type ContentUpdateResponse struct {
 	Status               ContentUpdateResponse_Status `protobuf:"varint,1,opt,name=status,proto3,enum=ContentUpdateResponse_Status" json:"status,omitempty"`
 	FileID               string                       `protobuf:"bytes,2,opt,name=fileID,proto3" json:"fileID,omitempty"`
@@ -601,51 +609,51 @@ func (m *ContentDeleteResponse) GetStatus() ContentDeleteResponse_Status {
 	return ContentDeleteResponse_UNKNOWN
 }
 
-type ContentMsg struct {
-	FileID               string          `protobuf:"bytes,1,opt,name=fileID,proto3" json:"fileID,omitempty"`
-	Type                 ContentMsg_Type `protobuf:"varint,2,opt,name=type,proto3,enum=ContentMsg_Type" json:"type,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
-	XXX_unrecognized     []byte          `json:"-"`
-	XXX_sizecache        int32           `json:"-"`
+type FileMsg struct {
+	FileID               string       `protobuf:"bytes,1,opt,name=fileID,proto3" json:"fileID,omitempty"`
+	Type                 FileMsg_Type `protobuf:"varint,2,opt,name=type,proto3,enum=FileMsg_Type" json:"type,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
+	XXX_unrecognized     []byte       `json:"-"`
+	XXX_sizecache        int32        `json:"-"`
 }
 
-func (m *ContentMsg) Reset()         { *m = ContentMsg{} }
-func (m *ContentMsg) String() string { return proto.CompactTextString(m) }
-func (*ContentMsg) ProtoMessage()    {}
-func (*ContentMsg) Descriptor() ([]byte, []int) {
+func (m *FileMsg) Reset()         { *m = FileMsg{} }
+func (m *FileMsg) String() string { return proto.CompactTextString(m) }
+func (*FileMsg) ProtoMessage()    {}
+func (*FileMsg) Descriptor() ([]byte, []int) {
 	return fileDescriptor_61cc9617ce0cf609, []int{6}
 }
 
-func (m *ContentMsg) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ContentMsg.Unmarshal(m, b)
+func (m *FileMsg) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_FileMsg.Unmarshal(m, b)
 }
-func (m *ContentMsg) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ContentMsg.Marshal(b, m, deterministic)
+func (m *FileMsg) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_FileMsg.Marshal(b, m, deterministic)
 }
-func (m *ContentMsg) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ContentMsg.Merge(m, src)
+func (m *FileMsg) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileMsg.Merge(m, src)
 }
-func (m *ContentMsg) XXX_Size() int {
-	return xxx_messageInfo_ContentMsg.Size(m)
+func (m *FileMsg) XXX_Size() int {
+	return xxx_messageInfo_FileMsg.Size(m)
 }
-func (m *ContentMsg) XXX_DiscardUnknown() {
-	xxx_messageInfo_ContentMsg.DiscardUnknown(m)
+func (m *FileMsg) XXX_DiscardUnknown() {
+	xxx_messageInfo_FileMsg.DiscardUnknown(m)
 }
 
-var xxx_messageInfo_ContentMsg proto.InternalMessageInfo
+var xxx_messageInfo_FileMsg proto.InternalMessageInfo
 
-func (m *ContentMsg) GetFileID() string {
+func (m *FileMsg) GetFileID() string {
 	if m != nil {
 		return m.FileID
 	}
 	return ""
 }
 
-func (m *ContentMsg) GetType() ContentMsg_Type {
+func (m *FileMsg) GetType() FileMsg_Type {
 	if m != nil {
 		return m.Type
 	}
-	return ContentMsg_UNKNOWN
+	return FileMsg_UNKNOWN
 }
 
 type ContentQueryRequest struct {
@@ -690,7 +698,8 @@ func (m *ContentQueryRequest) GetContentID() string {
 type ContentQueryResponse struct {
 	Status               ContentQueryResponse_Status `protobuf:"varint,1,opt,name=status,proto3,enum=ContentQueryResponse_Status" json:"status,omitempty"`
 	ContentToken         string                      `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
-	Files                []*ContentMsg               `protobuf:"bytes,3,rep,name=files,proto3" json:"files,omitempty"`
+	Files                []*FileMsg                  `protobuf:"bytes,3,rep,name=files,proto3" json:"files,omitempty"`
+	Tags                 []string                    `protobuf:"bytes,4,rep,name=tags,proto3" json:"tags,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                    `json:"-"`
 	XXX_unrecognized     []byte                      `json:"-"`
 	XXX_sizecache        int32                       `json:"-"`
@@ -735,13 +744,20 @@ func (m *ContentQueryResponse) GetContentToken() string {
 	return ""
 }
 
-func (m *ContentQueryResponse) GetFiles() []*ContentMsg {
+func (m *ContentQueryResponse) GetFiles() []*FileMsg {
 	if m != nil {
 		return m.Files
 	}
 	return nil
 }
 
+func (m *ContentQueryResponse) GetTags() []string {
+	if m != nil {
+		return m.Tags
+	}
+	return nil
+}
+
 type ContentCheckRequest struct {
 	ContentID            string   `protobuf:"bytes,1,opt,name=contentID,proto3" json:"contentID,omitempty"`
 	ContentToken         string   `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
@@ -834,7 +850,7 @@ func init() {
 	proto.RegisterEnum("ContentUpdateRequest_Type", ContentUpdateRequest_Type_name, ContentUpdateRequest_Type_value)
 	proto.RegisterEnum("ContentUpdateResponse_Status", ContentUpdateResponse_Status_name, ContentUpdateResponse_Status_value)
 	proto.RegisterEnum("ContentDeleteResponse_Status", ContentDeleteResponse_Status_name, ContentDeleteResponse_Status_value)
-	proto.RegisterEnum("ContentMsg_Type", ContentMsg_Type_name, ContentMsg_Type_value)
+	proto.RegisterEnum("FileMsg_Type", FileMsg_Type_name, FileMsg_Type_value)
 	proto.RegisterEnum("ContentQueryResponse_Status", ContentQueryResponse_Status_name, ContentQueryResponse_Status_value)
 	proto.RegisterEnum("ContentCheckResponse_Status", ContentCheckResponse_Status_name, ContentCheckResponse_Status_value)
 	proto.RegisterType((*ContentCreateRequest)(nil), "ContentCreateRequest")
@@ -843,7 +859,7 @@ func init() {
 	proto.RegisterType((*ContentUpdateResponse)(nil), "ContentUpdateResponse")
 	proto.RegisterType((*ContentDeleteRequest)(nil), "ContentDeleteRequest")
 	proto.RegisterType((*ContentDeleteResponse)(nil), "ContentDeleteResponse")
-	proto.RegisterType((*ContentMsg)(nil), "ContentMsg")
+	proto.RegisterType((*FileMsg)(nil), "FileMsg")
 	proto.RegisterType((*ContentQueryRequest)(nil), "ContentQueryRequest")
 	proto.RegisterType((*ContentQueryResponse)(nil), "ContentQueryResponse")
 	proto.RegisterType((*ContentCheckRequest)(nil), "ContentCheckRequest")
@@ -853,44 +869,45 @@ func init() {
 func init() { proto.RegisterFile("content.proto", fileDescriptor_61cc9617ce0cf609) }
 
 var fileDescriptor_61cc9617ce0cf609 = []byte{
-	// 609 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x56, 0x4f, 0x6f, 0xda, 0x30,
-	0x1c, 0x5d, 0x12, 0x12, 0xc4, 0x0f, 0xa8, 0x3c, 0xaf, 0x54, 0x11, 0xea, 0x24, 0x66, 0xed, 0x80,
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-	0x1d, 0xf3, 0xfe, 0xa8, 0x15, 0x30, 0x12, 0x34, 0x71, 0xd9, 0x37, 0xd8, 0x79, 0xd7, 0xed, 0x13,
-	0xed, 0x3b, 0xec, 0xb0, 0x7d, 0x8c, 0x4d, 0x71, 0x0c, 0x8e, 0xb3, 0x4c, 0x74, 0x6d, 0xb8, 0xfd,
-	0x9c, 0xf7, 0x6c, 0xff, 0xde, 0x7b, 0xb6, 0x81, 0xfa, 0x64, 0x36, 0x8d, 0xe8, 0x34, 0xb2, 0xe6,
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-	0x0f, 0x4b, 0x1a, 0x46, 0x78, 0x1f, 0x2a, 0x1c, 0xe9, 0x39, 0xa6, 0xd2, 0x52, 0xda, 0x95, 0x40,
-	0x0c, 0x60, 0x02, 0x35, 0x5e, 0x8c, 0x66, 0xd7, 0x74, 0x6a, 0xaa, 0x0c, 0x20, 0x8d, 0x61, 0x13,
-	0xca, 0xbc, 0x36, 0xb5, 0x96, 0xd2, 0xae, 0x05, 0xeb, 0x12, 0x5b, 0x50, 0x8a, 0x56, 0x73, 0x6a,
-	0x96, 0x5a, 0x4a, 0x7b, 0xa7, 0xd3, 0xb4, 0xf2, 0x36, 0x60, 0x8d, 0x56, 0x73, 0x1a, 0x30, 0x1c,
-	0x79, 0x06, 0xa5, 0xb8, 0xc2, 0x55, 0x28, 0x8f, 0xfd, 0x13, 0xbf, 0x7f, 0xe1, 0xa3, 0x07, 0x71,
-	0x31, 0xf0, 0xec, 0xd1, 0x38, 0x70, 0x91, 0x82, 0x2b, 0xa0, 0x9f, 0x7b, 0x8e, 0xdb, 0x47, 0x2a,
-	0xf9, 0xac, 0x42, 0x23, 0x33, 0x61, 0x38, 0x9f, 0x4d, 0x43, 0x8a, 0x9f, 0x83, 0x11, 0x46, 0x57,
-	0xd1, 0x32, 0x64, 0xfd, 0xec, 0x74, 0x1e, 0x5b, 0xb9, 0x38, 0x6b, 0xc8, 0x40, 0x01, 0x07, 0xcb,
-	0x4a, 0xa8, 0xdb, 0x94, 0xd0, 0x72, 0x94, 0xd8, 0x03, 0xe3, 0xcd, 0xfb, 0x1b, 0xea, 0x39, 0xac,
-	0xe3, 0x4a, 0xc0, 0x2b, 0x32, 0x01, 0x23, 0x59, 0x4b, 0xee, 0xac, 0x09, 0x75, 0xcf, 0x3f, 0xef,
-	0x9e, 0x7a, 0xce, 0xe5, 0xa0, 0x1b, 0x74, 0x7b, 0xe8, 0xf7, 0xfa, 0xa7, 0xc4, 0xc0, 0xe1, 0xd8,
-	0xb6, 0xdd, 0xe1, 0x10, 0x29, 0xf8, 0xa1, 0x00, 0x8e, 0xfa, 0x27, 0xae, 0x8f, 0x54, 0x8c, 0xa0,
-	0xb6, 0x19, 0x7a, 0x39, 0x70, 0x91, 0x46, 0x7e, 0x09, 0x87, 0xc7, 0xf3, 0xd7, 0x85, 0x3a, 0x2c,
-	0xfa, 0xd2, 0xd2, 0x7d, 0xa5, 0x9d, 0x2f, 0xe5, 0x3b, 0xaf, 0xcb, 0xce, 0x4b, 0x1b, 0xbb, 0xb3,
-	0xf3, 0x3f, 0x95, 0x8d, 0xf3, 0xeb, 0x09, 0xb7, 0x39, 0x2f, 0xe3, 0xb2, 0xce, 0x8b, 0xfe, 0x54,
-	0xc9, 0xb7, 0x4f, 0xc5, 0xfb, 0x56, 0x87, 0x8a, 0xdf, 0x1f, 0x5d, 0x1e, 0xf7, 0xc7, 0xbe, 0x83,
-	0x34, 0x0c, 0x60, 0x1c, 0x77, 0xbd, 0x53, 0xd7, 0x41, 0xa5, 0xbf, 0x2c, 0xd5, 0xc9, 0x8b, 0x8d,
-	0xa3, 0x0e, 0xbd, 0xa1, 0x05, 0x3a, 0x4a, 0xbe, 0x09, 0x09, 0xd7, 0x53, 0x6f, 0x93, 0x50, 0xc6,
-	0x65, 0x24, 0x24, 0x67, 0x85, 0x4b, 0x45, 0x3e, 0x02, 0xf0, 0xa5, 0x7b, 0xe1, 0xdb, 0x94, 0x47,
-	0x8a, 0x94, 0xc1, 0xa7, 0x3c, 0x69, 0x2a, 0xdb, 0x2d, 0xb2, 0x04, 0xe5, 0xce, 0xf9, 0x3a, 0x80,
-	0x47, 0x7c, 0x96, 0xb3, 0x25, 0x5d, 0xac, 0x6e, 0xa5, 0x3a, 0xf9, 0x21, 0x8e, 0x1f, 0x67, 0x71,
-	0x41, 0x0f, 0x33, 0x82, 0xee, 0x5b, 0x79, 0xb0, 0x6c, 0x24, 0x6f, 0x73, 0x2c, 0x9f, 0x80, 0x1e,
-	0x8b, 0x10, 0x9a, 0x5a, 0x4b, 0x6b, 0x57, 0x3b, 0xd5, 0x54, 0xef, 0x41, 0xf2, 0x85, 0xf4, 0xee,
-	0x69, 0x8b, 0x14, 0x57, 0x95, 0x5c, 0x6c, 0x94, 0xb1, 0xdf, 0xd1, 0xc9, 0x75, 0x71, 0x79, 0xfc,
-	0x92, 0x7a, 0x9e, 0x92, 0x99, 0xb7, 0xa9, 0x27, 0xc1, 0xb2, 0x69, 0xf4, 0xfe, 0xbf, 0xed, 0xd8,
-	0xff, 0xf8, 0x0b, 0x62, 0x0a, 0x70, 0x18, 0x52, 0x3b, 0x5f, 0x55, 0x28, 0xf3, 0x25, 0xf1, 0x11,
-	0x18, 0xc9, 0x13, 0x82, 0x1b, 0xb9, 0x6f, 0x59, 0x73, 0x2f, 0xff, 0xa5, 0x89, 0x89, 0xc9, 0x0d,
-	0x24, 0x88, 0xd2, 0x55, 0x28, 0x88, 0x99, 0x0b, 0xed, 0x08, 0x8c, 0xe4, 0xdc, 0x09, 0xa2, 0x74,
-	0x15, 0x08, 0x62, 0xe6, 0x18, 0x1f, 0x82, 0xce, 0xf2, 0x85, 0x77, 0xad, 0x9c, 0x2c, 0x37, 0x1b,
-	0xd6, 0x3f, 0xb2, 0xaa, 0x33, 0x5d, 0x05, 0x2b, 0xed, 0xb3, 0x60, 0x49, 0xe2, 0xbf, 0x32, 0xd8,
-	0x5f, 0x8c, 0x83, 0x3f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x65, 0x02, 0xc4, 0x92, 0x73, 0x08, 0x00,
-	0x00,
+	// 632 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x56, 0xcd, 0x6e, 0xda, 0x40,
+	0x10, 0xae, 0x7f, 0xa9, 0x27, 0x21, 0xda, 0x6e, 0x43, 0x64, 0xa1, 0xb4, 0xa2, 0x7b, 0x42, 0xaa,
+	0xe4, 0x03, 0x49, 0x95, 0x33, 0xb2, 0x8d, 0x64, 0x25, 0x18, 0x62, 0x20, 0x69, 0x4f, 0x11, 0xa5,
+	0xdb, 0x34, 0x0a, 0x02, 0x82, 0xcd, 0x81, 0x4b, 0xdf, 0xa0, 0xe7, 0x5e, 0xdb, 0x27, 0xea, 0x5b,
+	0xf4, 0x05, 0x7a, 0xec, 0xa1, 0x95, 0xed, 0x85, 0xf5, 0xba, 0xae, 0x48, 0x5a, 0x38, 0x31, 0xcb,
+	0x37, 0xbb, 0x3b, 0xdf, 0xf7, 0xcd, 0x2c, 0x50, 0x1e, 0x4d, 0x27, 0x11, 0x9d, 0x44, 0xd6, 0x6c,
+	0x3e, 0x8d, 0xa6, 0xe4, 0x9b, 0x04, 0xfb, 0x76, 0xba, 0x62, 0xcf, 0xe9, 0x30, 0xa2, 0x01, 0xbd,
+	0x5b, 0xd0, 0x30, 0xc2, 0x87, 0x60, 0x30, 0xa4, 0xe7, 0x98, 0x52, 0x4d, 0xaa, 0x1b, 0x01, 0x5f,
+	0xc0, 0x04, 0x76, 0x59, 0xd0, 0x9f, 0xde, 0xd2, 0x89, 0x29, 0x27, 0x00, 0x61, 0x0d, 0x9b, 0x50,
+	0x62, 0xb1, 0xa9, 0xd4, 0xa4, 0xfa, 0x6e, 0xb0, 0x0a, 0xb1, 0x05, 0x6a, 0xb4, 0x9c, 0x51, 0x53,
+	0xad, 0x49, 0xf5, 0xbd, 0x46, 0xd5, 0x2a, 0xba, 0x80, 0xd5, 0x5f, 0xce, 0x68, 0x90, 0xe0, 0xc8,
+	0x4b, 0x50, 0xe3, 0x08, 0xef, 0x40, 0x69, 0xe0, 0x9f, 0xfa, 0x9d, 0x4b, 0x1f, 0x3d, 0x8a, 0x83,
+	0xae, 0x67, 0xf7, 0x07, 0x81, 0x8b, 0x24, 0x6c, 0x80, 0x76, 0xe1, 0x39, 0x6e, 0x07, 0xc9, 0xe4,
+	0x93, 0x0c, 0x95, 0xdc, 0x86, 0xe1, 0x6c, 0x3a, 0x09, 0x29, 0x7e, 0x05, 0x7a, 0x18, 0x0d, 0xa3,
+	0x45, 0x98, 0xd4, 0xb3, 0xd7, 0x78, 0x66, 0x15, 0xe2, 0xac, 0x5e, 0x02, 0x0a, 0x18, 0x58, 0x64,
+	0x42, 0xde, 0xc4, 0x84, 0x52, 0xc0, 0xc4, 0x01, 0xe8, 0xef, 0x6f, 0xc6, 0xd4, 0x73, 0x92, 0x8a,
+	0x8d, 0x80, 0x45, 0x64, 0x04, 0x7a, 0x7a, 0x96, 0x58, 0x59, 0x15, 0xca, 0x9e, 0x7f, 0xd1, 0x3c,
+	0xf3, 0x9c, 0xab, 0x6e, 0x33, 0x68, 0xb6, 0xd1, 0xaf, 0xd5, 0x47, 0x8a, 0x81, 0xbd, 0x81, 0x6d,
+	0xbb, 0xbd, 0x1e, 0x92, 0xf0, 0x13, 0x0e, 0xec, 0x77, 0x4e, 0x5d, 0x1f, 0xc9, 0x18, 0xc1, 0xee,
+	0x7a, 0xe9, 0x4d, 0xd7, 0x45, 0x0a, 0xf9, 0xc9, 0x15, 0x1e, 0xcc, 0xde, 0x6d, 0x55, 0x61, 0x5e,
+	0x97, 0x92, 0xad, 0x2b, 0xab, 0xbc, 0x5a, 0xac, 0xbc, 0x26, 0x2a, 0x2f, 0x5c, 0x2c, 0xa3, 0x3c,
+	0xc6, 0xa0, 0x46, 0xc3, 0xeb, 0xd0, 0xd4, 0x6b, 0x4a, 0xdd, 0x08, 0x92, 0xef, 0x0f, 0x73, 0xc3,
+	0x77, 0x69, 0xed, 0x86, 0xd5, 0x21, 0x9b, 0xdc, 0x20, 0xe2, 0xf2, 0x6e, 0xe0, 0x35, 0xcb, 0x82,
+	0x96, 0x1f, 0xb7, 0xaf, 0x65, 0x19, 0x0c, 0xbf, 0xd3, 0xbf, 0x6a, 0x75, 0x06, 0xbe, 0x83, 0x14,
+	0x0c, 0xa0, 0xb7, 0x9a, 0xde, 0x99, 0xeb, 0x20, 0xf5, 0x0f, 0x99, 0x35, 0xf2, 0x7a, 0xad, 0xb2,
+	0x43, 0xc7, 0x74, 0x8b, 0x2a, 0x93, 0xaf, 0x9c, 0xc2, 0xd5, 0xd6, 0x9b, 0x28, 0x14, 0x71, 0x39,
+	0x0a, 0xc9, 0xf9, 0xd6, 0xa9, 0x22, 0x77, 0x50, 0x6a, 0xdd, 0x8c, 0x69, 0x3b, 0xbc, 0xce, 0x08,
+	0x24, 0x09, 0xa6, 0x7c, 0xc1, 0xac, 0x27, 0x27, 0x57, 0x2d, 0x5b, 0x0c, 0xff, 0xcf, 0x73, 0xe6,
+	0x08, 0x9e, 0xb2, 0x6a, 0xcf, 0x17, 0x74, 0xbe, 0xbc, 0x17, 0xdf, 0xe4, 0x07, 0x6f, 0x46, 0x96,
+	0xc5, 0xa8, 0x3c, 0xce, 0x51, 0x79, 0x68, 0x15, 0xc1, 0xf2, 0x66, 0xbc, 0x4f, 0x93, 0x3e, 0x07,
+	0x2d, 0x66, 0x20, 0x34, 0x95, 0x9a, 0x52, 0xdf, 0x69, 0x3c, 0x5e, 0x15, 0x1e, 0xa4, 0xcb, 0xeb,
+	0x16, 0x53, 0x33, 0x2d, 0xd6, 0xfe, 0x4f, 0x85, 0x04, 0xe7, 0xca, 0xe4, 0x72, 0x4d, 0x95, 0xfd,
+	0x81, 0x8e, 0x6e, 0xb7, 0x67, 0xcd, 0xcf, 0x99, 0xd7, 0x2b, 0xdd, 0x79, 0x13, 0x9d, 0x02, 0x2c,
+	0x6f, 0x4c, 0xef, 0xe1, 0x65, 0xc7, 0x86, 0x88, 0x7f, 0x41, 0x09, 0x03, 0x0c, 0x86, 0xe4, 0xc6,
+	0x17, 0x19, 0x4a, 0xec, 0x48, 0x7c, 0x02, 0x7a, 0xfa, 0xc2, 0xe0, 0x4a, 0xe1, 0x53, 0x57, 0x3d,
+	0x28, 0x7e, 0x88, 0xe2, 0xc4, 0x74, 0x18, 0xf1, 0x44, 0x61, 0x52, 0xf2, 0xc4, 0xdc, 0x6c, 0x3b,
+	0x01, 0x3d, 0x6d, 0x41, 0x9e, 0x28, 0x4c, 0x05, 0x9e, 0x98, 0xeb, 0xe8, 0x63, 0xd0, 0x12, 0xc3,
+	0xe1, 0x7d, 0xab, 0xc0, 0xdc, 0xd5, 0x8a, 0xf5, 0x17, 0xf3, 0x6a, 0x09, 0xaf, 0x3c, 0x2b, 0xab,
+	0x33, 0xcf, 0x12, 0xc8, 0x7f, 0xab, 0x27, 0xff, 0x40, 0x8e, 0x7e, 0x07, 0x00, 0x00, 0xff, 0xff,
+	0xeb, 0x19, 0xe9, 0xd3, 0x92, 0x08, 0x00, 0x00,
 }
diff --git a/backend/srv/content/proto/content.proto b/backend/srv/content/proto/content.proto
index 55b4e12..46b6f40 100644
--- a/backend/srv/content/proto/content.proto
+++ b/backend/srv/content/proto/content.proto
@@ -45,6 +45,7 @@ message ContentUpdateRequest {
     string fileID = 3;
     bytes content = 4;
     Type type = 5;
+    repeated string tags = 6;
 }
 
 message ContentUpdateResponse {
@@ -76,7 +77,7 @@ message ContentDeleteResponse {
     Status status = 1;
 }
 
-message ContentMsg {
+message FileMsg {
     enum Type {
         UNKNOWN = 0;
         PICTURE = 1;
@@ -99,7 +100,8 @@ message ContentQueryResponse {
     }
     Status status = 1;
     string contentToken = 2;
-    repeated ContentMsg files = 3;
+    repeated FileMsg files = 3;
+    repeated string tags = 4;
 }
 
 message ContentCheckRequest {

From 231bc69b3211c3db878ac7f19dfcca17a7b844a8 Mon Sep 17 00:00:00 2001
From: Kang Huquan <799385272@qq.com>
Date: Tue, 30 Jul 2019 15:56:08 +0800
Subject: [PATCH 02/12] Revert part of "add tags"

This reverts commit 309be426
---
 backend/srv/content/main.go | 69 +++++++++++++++----------------------
 1 file changed, 28 insertions(+), 41 deletions(-)

diff --git a/backend/srv/content/main.go b/backend/srv/content/main.go
index 0500016..361fd89 100644
--- a/backend/srv/content/main.go
+++ b/backend/srv/content/main.go
@@ -28,12 +28,12 @@ type srv struct{}
  *
  * @apiParam {string} [contentID] 24 bytes content id, left empty for first upload
  * @apiParam {string} [contentToken] content token, left empty for first upload
- * @apiParam {bytes} [content] binary bytes, file accept [image](https://github.com/h2non/filetype#image) and [video](https://github.com/h2non/filetype#video)
- * @apiParam {int32} [type] 1 for picture <br> 2 for video
+ * @apiParam {bytes} content binary bytes, file accept [image](https://github.com/h2non/filetype#image) and [video](https://github.com/h2non/filetype#video)
+ * @apiParam {int32} type 1 for picture <br> 2 for video
  * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 2 for invalid type
  * @apiSuccess {string} contentID 24 bytes contentID
  * @apiSuccess {string} contentToken random uuid content token
- * @apiSuccess {string} [fileID] 24 bytes fileID, return if content and type not empty
+ * @apiSuccess {string} fileID 24 bytes fileID
  * @apiUse DBServerDown
  */
 func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp *content.ContentCreateResponse) error {
@@ -57,55 +57,42 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 	}
 
 	// check param
+	if !utils.RequireParam(req.Content, req.Type) {
+		rsp.Status = content.ContentCreateResponse_INVALID_PARAM
+		return nil
+	}
+
 	if !utils.CheckInTest() && !filetype.IsImage(req.Content) && !filetype.IsVideo(req.Content) {
 		rsp.Status = content.ContentCreateResponse_INVALID_TYPE
 		return nil
 	}
 
 	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) { // create new
+		objID, err := upload()
+		if utils.LogContinue(err, utils.Warning) {
+			return err
+		}
+
 		token := uuid.NewV4().String()
 		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 		defer cancel()
 		collection := db.MongoDatabase.Collection("sellinfo")
-
-		if utils.RequireParam(req.Content, req.Type) { // add file
-			objID, err := upload()
-			if utils.LogContinue(err, utils.Warning) {
-				return err
-			}
-
-			res, err := collection.InsertOne(ctx, bson.M{
-				"token": token,
-				"files": bson.A{
-					bson.M{
-						"fileID": objID,
-						"type":   req.Type,
-					},
-				},
-				"tags": bson.A{},
-			})
-			if utils.LogContinue(err, utils.Warning) {
-				return err
-			}
-
-			rsp.ContentID = res.InsertedID.(primitive.ObjectID).Hex()
-			rsp.ContentToken = token
-			rsp.FileID = objID.Hex()
-			rsp.Status = content.ContentCreateResponse_SUCCESS
-		} else { // empty content
-			res, err := collection.InsertOne(ctx, bson.M{
-				"token": token,
-				"files": bson.A{},
-				"tags":  bson.A{},
-			})
-			if utils.LogContinue(err, utils.Warning) {
-				return err
-			}
-
-			rsp.ContentID = res.InsertedID.(primitive.ObjectID).Hex()
-			rsp.ContentToken = token
-			rsp.Status = content.ContentCreateResponse_SUCCESS
+		res, err := collection.InsertOne(ctx, bson.M{
+			"token": token,
+			"files": bson.A{
+				bson.M{
+					"fileID": objID,
+					"type":   req.Type,
+				}},
+		})
+		if utils.LogContinue(err, utils.Warning) {
+			return err
 		}
+
+		rsp.ContentID = res.InsertedID.(primitive.ObjectID).Hex()
+		rsp.ContentToken = token
+		rsp.FileID = objID.Hex()
+		rsp.Status = content.ContentCreateResponse_SUCCESS
 	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) { // add exist one
 		if !validCheck(req.ContentID, req.ContentToken) {
 			rsp.Status = content.ContentCreateResponse_INVALID_TOKEN

From 9b113b695c385bfa4138c4307d959803622796b6 Mon Sep 17 00:00:00 2001
From: Kang Huquan <799385272@qq.com>
Date: Tue, 30 Jul 2019 16:35:08 +0800
Subject: [PATCH 03/12] createTag srv

---
 backend/srv/content/main.go                |  73 ++++++
 backend/srv/content/proto/content.micro.go |  17 ++
 backend/srv/content/proto/content.pb.go    | 262 ++++++++++++++++-----
 backend/srv/content/proto/content.proto    |  20 ++
 4 files changed, 316 insertions(+), 56 deletions(-)

diff --git a/backend/srv/content/main.go b/backend/srv/content/main.go
index 361fd89..1a47c2a 100644
--- a/backend/srv/content/main.go
+++ b/backend/srv/content/main.go
@@ -136,6 +136,79 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 	return nil
 }
 
+/**
+ * @api {rpc} /rpc Content.CreateTag
+ * @apiVersion 1.0.0
+ * @apiGroup Service
+ * @apiName Content.CreateTag
+ * @apiDescription create tags
+ *
+ * @apiParam {string} [contentID] 24 bytes content id, left empty for first upload
+ * @apiParam {string} [contentToken] content token, left empty for first upload
+ * @apiParam {list} tags {string} tag
+ * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 2 for invalid type
+ * @apiSuccess {string} contentID 24 bytes contentID
+ * @apiSuccess {string} contentToken random uuid content token
+ * @apiUse DBServerDown
+ */
+func (a *srv) CreateTag(ctx context.Context, req *content.ContentCreateTagRequest, rsp *content.ContentCreateTagResponse) error {
+	// check param
+	if !utils.RequireParam(req.Tags) {
+		rsp.Status = content.ContentCreateTagResponse_INVALID_PARAM
+		return nil
+	}
+
+	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) { // create new
+		token := uuid.NewV4().String()
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		collection := db.MongoDatabase.Collection("sellinfo")
+		res, err := collection.InsertOne(ctx, bson.M{
+			"token": token,
+			"tags":  req.Tags,
+		})
+		if utils.LogContinue(err, utils.Warning) {
+			return err
+		}
+
+		rsp.ContentID = res.InsertedID.(primitive.ObjectID).Hex()
+		rsp.ContentToken = token
+		rsp.Status = content.ContentCreateTagResponse_SUCCESS
+	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) { // add exist one
+		if !validCheck(req.ContentID, req.ContentToken) {
+			rsp.Status = content.ContentCreateTagResponse_INVALID_TOKEN
+			return nil
+		}
+
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		collection := db.MongoDatabase.Collection("sellinfo")
+		rid, err := primitive.ObjectIDFromHex(req.ContentID)
+		if utils.LogContinue(err, utils.Warning) {
+			rsp.Status = content.ContentCreateTagResponse_INVALID_TOKEN
+			return nil
+		}
+		_, err = collection.UpdateOne(ctx, bson.D{
+			{"_id", rid},
+			{"token", req.ContentToken},
+		},
+			bson.D{
+				{"$setOnInsert", bson.D{
+					{"tags", req.Tags},
+				}},
+			})
+		if utils.LogContinue(err, utils.Warning) {
+			return err
+		}
+		rsp.ContentID = req.ContentID
+		rsp.ContentToken = req.ContentToken
+		rsp.Status = content.ContentCreateTagResponse_SUCCESS
+	} else {
+		rsp.Status = content.ContentCreateTagResponse_INVALID_PARAM
+	}
+	return nil
+}
+
 /**
  * @api {rpc} /rpc Content.Update
  * @apiVersion 1.0.0
diff --git a/backend/srv/content/proto/content.micro.go b/backend/srv/content/proto/content.micro.go
index a817d00..c02e489 100644
--- a/backend/srv/content/proto/content.micro.go
+++ b/backend/srv/content/proto/content.micro.go
@@ -35,6 +35,7 @@ var _ server.Option
 
 type ContentService interface {
 	Create(ctx context.Context, in *ContentCreateRequest, opts ...client.CallOption) (*ContentCreateResponse, error)
+	CreateTag(ctx context.Context, in *ContentCreateTagRequest, opts ...client.CallOption) (*ContentCreateTagResponse, error)
 	Update(ctx context.Context, in *ContentUpdateRequest, opts ...client.CallOption) (*ContentUpdateResponse, error)
 	Delete(ctx context.Context, in *ContentDeleteRequest, opts ...client.CallOption) (*ContentDeleteResponse, error)
 	Query(ctx context.Context, in *ContentQueryRequest, opts ...client.CallOption) (*ContentQueryResponse, error)
@@ -69,6 +70,16 @@ func (c *contentService) Create(ctx context.Context, in *ContentCreateRequest, o
 	return out, nil
 }
 
+func (c *contentService) CreateTag(ctx context.Context, in *ContentCreateTagRequest, opts ...client.CallOption) (*ContentCreateTagResponse, error) {
+	req := c.c.NewRequest(c.name, "Content.CreateTag", in)
+	out := new(ContentCreateTagResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *contentService) Update(ctx context.Context, in *ContentUpdateRequest, opts ...client.CallOption) (*ContentUpdateResponse, error) {
 	req := c.c.NewRequest(c.name, "Content.Update", in)
 	out := new(ContentUpdateResponse)
@@ -113,6 +124,7 @@ func (c *contentService) Check(ctx context.Context, in *ContentCheckRequest, opt
 
 type ContentHandler interface {
 	Create(context.Context, *ContentCreateRequest, *ContentCreateResponse) error
+	CreateTag(context.Context, *ContentCreateTagRequest, *ContentCreateTagResponse) error
 	Update(context.Context, *ContentUpdateRequest, *ContentUpdateResponse) error
 	Delete(context.Context, *ContentDeleteRequest, *ContentDeleteResponse) error
 	Query(context.Context, *ContentQueryRequest, *ContentQueryResponse) error
@@ -122,6 +134,7 @@ type ContentHandler interface {
 func RegisterContentHandler(s server.Server, hdlr ContentHandler, opts ...server.HandlerOption) error {
 	type content interface {
 		Create(ctx context.Context, in *ContentCreateRequest, out *ContentCreateResponse) error
+		CreateTag(ctx context.Context, in *ContentCreateTagRequest, out *ContentCreateTagResponse) error
 		Update(ctx context.Context, in *ContentUpdateRequest, out *ContentUpdateResponse) error
 		Delete(ctx context.Context, in *ContentDeleteRequest, out *ContentDeleteResponse) error
 		Query(ctx context.Context, in *ContentQueryRequest, out *ContentQueryResponse) error
@@ -142,6 +155,10 @@ func (h *contentHandler) Create(ctx context.Context, in *ContentCreateRequest, o
 	return h.ContentHandler.Create(ctx, in, out)
 }
 
+func (h *contentHandler) CreateTag(ctx context.Context, in *ContentCreateTagRequest, out *ContentCreateTagResponse) error {
+	return h.ContentHandler.CreateTag(ctx, in, out)
+}
+
 func (h *contentHandler) Update(ctx context.Context, in *ContentUpdateRequest, out *ContentUpdateResponse) error {
 	return h.ContentHandler.Update(ctx, in, out)
 }
diff --git a/backend/srv/content/proto/content.pb.go b/backend/srv/content/proto/content.pb.go
index 3f36a75..f4101d2 100644
--- a/backend/srv/content/proto/content.pb.go
+++ b/backend/srv/content/proto/content.pb.go
@@ -82,6 +82,40 @@ func (ContentCreateResponse_Status) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_61cc9617ce0cf609, []int{1, 0}
 }
 
+type ContentCreateTagResponse_Status int32
+
+const (
+	ContentCreateTagResponse_UNKNOWN       ContentCreateTagResponse_Status = 0
+	ContentCreateTagResponse_INVALID_PARAM ContentCreateTagResponse_Status = -1
+	ContentCreateTagResponse_SUCCESS       ContentCreateTagResponse_Status = 1
+	ContentCreateTagResponse_INVALID_TOKEN ContentCreateTagResponse_Status = 2
+	ContentCreateTagResponse_INVALID_TYPE  ContentCreateTagResponse_Status = 3
+)
+
+var ContentCreateTagResponse_Status_name = map[int32]string{
+	0:  "UNKNOWN",
+	-1: "INVALID_PARAM",
+	1:  "SUCCESS",
+	2:  "INVALID_TOKEN",
+	3:  "INVALID_TYPE",
+}
+
+var ContentCreateTagResponse_Status_value = map[string]int32{
+	"UNKNOWN":       0,
+	"INVALID_PARAM": -1,
+	"SUCCESS":       1,
+	"INVALID_TOKEN": 2,
+	"INVALID_TYPE":  3,
+}
+
+func (x ContentCreateTagResponse_Status) String() string {
+	return proto.EnumName(ContentCreateTagResponse_Status_name, int32(x))
+}
+
+func (ContentCreateTagResponse_Status) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_61cc9617ce0cf609, []int{3, 0}
+}
+
 type ContentUpdateRequest_Type int32
 
 const (
@@ -107,7 +141,7 @@ func (x ContentUpdateRequest_Type) String() string {
 }
 
 func (ContentUpdateRequest_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{2, 0}
+	return fileDescriptor_61cc9617ce0cf609, []int{4, 0}
 }
 
 type ContentUpdateResponse_Status int32
@@ -147,7 +181,7 @@ func (x ContentUpdateResponse_Status) String() string {
 }
 
 func (ContentUpdateResponse_Status) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{3, 0}
+	return fileDescriptor_61cc9617ce0cf609, []int{5, 0}
 }
 
 type ContentDeleteResponse_Status int32
@@ -178,7 +212,7 @@ func (x ContentDeleteResponse_Status) String() string {
 }
 
 func (ContentDeleteResponse_Status) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{5, 0}
+	return fileDescriptor_61cc9617ce0cf609, []int{7, 0}
 }
 
 type FileMsg_Type int32
@@ -206,7 +240,7 @@ func (x FileMsg_Type) String() string {
 }
 
 func (FileMsg_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{6, 0}
+	return fileDescriptor_61cc9617ce0cf609, []int{8, 0}
 }
 
 type ContentQueryResponse_Status int32
@@ -237,7 +271,7 @@ func (x ContentQueryResponse_Status) String() string {
 }
 
 func (ContentQueryResponse_Status) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{8, 0}
+	return fileDescriptor_61cc9617ce0cf609, []int{10, 0}
 }
 
 type ContentCheckResponse_Status int32
@@ -268,7 +302,7 @@ func (x ContentCheckResponse_Status) String() string {
 }
 
 func (ContentCheckResponse_Status) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{10, 0}
+	return fileDescriptor_61cc9617ce0cf609, []int{12, 0}
 }
 
 type ContentCreateRequest struct {
@@ -397,6 +431,116 @@ func (m *ContentCreateResponse) GetFileID() string {
 	return ""
 }
 
+type ContentCreateTagRequest struct {
+	ContentID            string   `protobuf:"bytes,1,opt,name=contentID,proto3" json:"contentID,omitempty"`
+	ContentToken         string   `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
+	Tags                 []string `protobuf:"bytes,4,rep,name=tags,proto3" json:"tags,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ContentCreateTagRequest) Reset()         { *m = ContentCreateTagRequest{} }
+func (m *ContentCreateTagRequest) String() string { return proto.CompactTextString(m) }
+func (*ContentCreateTagRequest) ProtoMessage()    {}
+func (*ContentCreateTagRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_61cc9617ce0cf609, []int{2}
+}
+
+func (m *ContentCreateTagRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ContentCreateTagRequest.Unmarshal(m, b)
+}
+func (m *ContentCreateTagRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ContentCreateTagRequest.Marshal(b, m, deterministic)
+}
+func (m *ContentCreateTagRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ContentCreateTagRequest.Merge(m, src)
+}
+func (m *ContentCreateTagRequest) XXX_Size() int {
+	return xxx_messageInfo_ContentCreateTagRequest.Size(m)
+}
+func (m *ContentCreateTagRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ContentCreateTagRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ContentCreateTagRequest proto.InternalMessageInfo
+
+func (m *ContentCreateTagRequest) GetContentID() string {
+	if m != nil {
+		return m.ContentID
+	}
+	return ""
+}
+
+func (m *ContentCreateTagRequest) GetContentToken() string {
+	if m != nil {
+		return m.ContentToken
+	}
+	return ""
+}
+
+func (m *ContentCreateTagRequest) GetTags() []string {
+	if m != nil {
+		return m.Tags
+	}
+	return nil
+}
+
+type ContentCreateTagResponse struct {
+	Status               ContentCreateTagResponse_Status `protobuf:"varint,1,opt,name=status,proto3,enum=ContentCreateTagResponse_Status" json:"status,omitempty"`
+	ContentID            string                          `protobuf:"bytes,2,opt,name=contentID,proto3" json:"contentID,omitempty"`
+	ContentToken         string                          `protobuf:"bytes,3,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                        `json:"-"`
+	XXX_unrecognized     []byte                          `json:"-"`
+	XXX_sizecache        int32                           `json:"-"`
+}
+
+func (m *ContentCreateTagResponse) Reset()         { *m = ContentCreateTagResponse{} }
+func (m *ContentCreateTagResponse) String() string { return proto.CompactTextString(m) }
+func (*ContentCreateTagResponse) ProtoMessage()    {}
+func (*ContentCreateTagResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_61cc9617ce0cf609, []int{3}
+}
+
+func (m *ContentCreateTagResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ContentCreateTagResponse.Unmarshal(m, b)
+}
+func (m *ContentCreateTagResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ContentCreateTagResponse.Marshal(b, m, deterministic)
+}
+func (m *ContentCreateTagResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ContentCreateTagResponse.Merge(m, src)
+}
+func (m *ContentCreateTagResponse) XXX_Size() int {
+	return xxx_messageInfo_ContentCreateTagResponse.Size(m)
+}
+func (m *ContentCreateTagResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ContentCreateTagResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ContentCreateTagResponse proto.InternalMessageInfo
+
+func (m *ContentCreateTagResponse) GetStatus() ContentCreateTagResponse_Status {
+	if m != nil {
+		return m.Status
+	}
+	return ContentCreateTagResponse_UNKNOWN
+}
+
+func (m *ContentCreateTagResponse) GetContentID() string {
+	if m != nil {
+		return m.ContentID
+	}
+	return ""
+}
+
+func (m *ContentCreateTagResponse) GetContentToken() string {
+	if m != nil {
+		return m.ContentToken
+	}
+	return ""
+}
+
 type ContentUpdateRequest struct {
 	ContentID            string                    `protobuf:"bytes,1,opt,name=contentID,proto3" json:"contentID,omitempty"`
 	ContentToken         string                    `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
@@ -413,7 +557,7 @@ func (m *ContentUpdateRequest) Reset()         { *m = ContentUpdateRequest{} }
 func (m *ContentUpdateRequest) String() string { return proto.CompactTextString(m) }
 func (*ContentUpdateRequest) ProtoMessage()    {}
 func (*ContentUpdateRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{2}
+	return fileDescriptor_61cc9617ce0cf609, []int{4}
 }
 
 func (m *ContentUpdateRequest) XXX_Unmarshal(b []byte) error {
@@ -488,7 +632,7 @@ func (m *ContentUpdateResponse) Reset()         { *m = ContentUpdateResponse{} }
 func (m *ContentUpdateResponse) String() string { return proto.CompactTextString(m) }
 func (*ContentUpdateResponse) ProtoMessage()    {}
 func (*ContentUpdateResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{3}
+	return fileDescriptor_61cc9617ce0cf609, []int{5}
 }
 
 func (m *ContentUpdateResponse) XXX_Unmarshal(b []byte) error {
@@ -535,7 +679,7 @@ func (m *ContentDeleteRequest) Reset()         { *m = ContentDeleteRequest{} }
 func (m *ContentDeleteRequest) String() string { return proto.CompactTextString(m) }
 func (*ContentDeleteRequest) ProtoMessage()    {}
 func (*ContentDeleteRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{4}
+	return fileDescriptor_61cc9617ce0cf609, []int{6}
 }
 
 func (m *ContentDeleteRequest) XXX_Unmarshal(b []byte) error {
@@ -581,7 +725,7 @@ func (m *ContentDeleteResponse) Reset()         { *m = ContentDeleteResponse{} }
 func (m *ContentDeleteResponse) String() string { return proto.CompactTextString(m) }
 func (*ContentDeleteResponse) ProtoMessage()    {}
 func (*ContentDeleteResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{5}
+	return fileDescriptor_61cc9617ce0cf609, []int{7}
 }
 
 func (m *ContentDeleteResponse) XXX_Unmarshal(b []byte) error {
@@ -621,7 +765,7 @@ func (m *FileMsg) Reset()         { *m = FileMsg{} }
 func (m *FileMsg) String() string { return proto.CompactTextString(m) }
 func (*FileMsg) ProtoMessage()    {}
 func (*FileMsg) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{6}
+	return fileDescriptor_61cc9617ce0cf609, []int{8}
 }
 
 func (m *FileMsg) XXX_Unmarshal(b []byte) error {
@@ -667,7 +811,7 @@ func (m *ContentQueryRequest) Reset()         { *m = ContentQueryRequest{} }
 func (m *ContentQueryRequest) String() string { return proto.CompactTextString(m) }
 func (*ContentQueryRequest) ProtoMessage()    {}
 func (*ContentQueryRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{7}
+	return fileDescriptor_61cc9617ce0cf609, []int{9}
 }
 
 func (m *ContentQueryRequest) XXX_Unmarshal(b []byte) error {
@@ -709,7 +853,7 @@ func (m *ContentQueryResponse) Reset()         { *m = ContentQueryResponse{} }
 func (m *ContentQueryResponse) String() string { return proto.CompactTextString(m) }
 func (*ContentQueryResponse) ProtoMessage()    {}
 func (*ContentQueryResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{8}
+	return fileDescriptor_61cc9617ce0cf609, []int{10}
 }
 
 func (m *ContentQueryResponse) XXX_Unmarshal(b []byte) error {
@@ -770,7 +914,7 @@ func (m *ContentCheckRequest) Reset()         { *m = ContentCheckRequest{} }
 func (m *ContentCheckRequest) String() string { return proto.CompactTextString(m) }
 func (*ContentCheckRequest) ProtoMessage()    {}
 func (*ContentCheckRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{9}
+	return fileDescriptor_61cc9617ce0cf609, []int{11}
 }
 
 func (m *ContentCheckRequest) XXX_Unmarshal(b []byte) error {
@@ -816,7 +960,7 @@ func (m *ContentCheckResponse) Reset()         { *m = ContentCheckResponse{} }
 func (m *ContentCheckResponse) String() string { return proto.CompactTextString(m) }
 func (*ContentCheckResponse) ProtoMessage()    {}
 func (*ContentCheckResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{10}
+	return fileDescriptor_61cc9617ce0cf609, []int{12}
 }
 
 func (m *ContentCheckResponse) XXX_Unmarshal(b []byte) error {
@@ -847,6 +991,7 @@ func (m *ContentCheckResponse) GetStatus() ContentCheckResponse_Status {
 func init() {
 	proto.RegisterEnum("ContentCreateRequest_Type", ContentCreateRequest_Type_name, ContentCreateRequest_Type_value)
 	proto.RegisterEnum("ContentCreateResponse_Status", ContentCreateResponse_Status_name, ContentCreateResponse_Status_value)
+	proto.RegisterEnum("ContentCreateTagResponse_Status", ContentCreateTagResponse_Status_name, ContentCreateTagResponse_Status_value)
 	proto.RegisterEnum("ContentUpdateRequest_Type", ContentUpdateRequest_Type_name, ContentUpdateRequest_Type_value)
 	proto.RegisterEnum("ContentUpdateResponse_Status", ContentUpdateResponse_Status_name, ContentUpdateResponse_Status_value)
 	proto.RegisterEnum("ContentDeleteResponse_Status", ContentDeleteResponse_Status_name, ContentDeleteResponse_Status_value)
@@ -855,6 +1000,8 @@ func init() {
 	proto.RegisterEnum("ContentCheckResponse_Status", ContentCheckResponse_Status_name, ContentCheckResponse_Status_value)
 	proto.RegisterType((*ContentCreateRequest)(nil), "ContentCreateRequest")
 	proto.RegisterType((*ContentCreateResponse)(nil), "ContentCreateResponse")
+	proto.RegisterType((*ContentCreateTagRequest)(nil), "ContentCreateTagRequest")
+	proto.RegisterType((*ContentCreateTagResponse)(nil), "ContentCreateTagResponse")
 	proto.RegisterType((*ContentUpdateRequest)(nil), "ContentUpdateRequest")
 	proto.RegisterType((*ContentUpdateResponse)(nil), "ContentUpdateResponse")
 	proto.RegisterType((*ContentDeleteRequest)(nil), "ContentDeleteRequest")
@@ -869,45 +1016,48 @@ func init() {
 func init() { proto.RegisterFile("content.proto", fileDescriptor_61cc9617ce0cf609) }
 
 var fileDescriptor_61cc9617ce0cf609 = []byte{
-	// 632 bytes of a gzipped FileDescriptorProto
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-	0xeb, 0x19, 0xe9, 0xd3, 0x92, 0x08, 0x00, 0x00,
+	// 685 bytes of a gzipped FileDescriptorProto
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+	0x62, 0x65, 0xc4, 0xa9, 0xac, 0x53, 0xc4, 0x29, 0x49, 0xbe, 0xf7, 0x46, 0xfc, 0xc9, 0xb8, 0xfe,
+	0x27, 0x00, 0x00, 0xff, 0xff, 0x37, 0x4d, 0xbb, 0xee, 0x43, 0x0a, 0x00, 0x00,
 }
diff --git a/backend/srv/content/proto/content.proto b/backend/srv/content/proto/content.proto
index 46b6f40..3d6b354 100644
--- a/backend/srv/content/proto/content.proto
+++ b/backend/srv/content/proto/content.proto
@@ -2,6 +2,7 @@ syntax = "proto3";
 
 service Content {
     rpc Create (ContentCreateRequest) returns (ContentCreateResponse);
+    rpc CreateTag(ContentCreateTagRequest)returns (ContentCreateTagResponse);
     rpc Update (ContentUpdateRequest) returns (ContentUpdateResponse);
     rpc Delete (ContentDeleteRequest) returns (ContentDeleteResponse);
     rpc Query (ContentQueryRequest) returns (ContentQueryResponse);
@@ -34,6 +35,25 @@ message ContentCreateResponse {
     string fileID = 4;
 }
 
+message ContentCreateTagRequest{
+    string contentID = 1;
+    string contentToken = 2;
+    repeated string tags = 4;
+}
+
+message ContentCreateTagResponse{
+    enum Status {
+        UNKNOWN = 0;
+        INVALID_PARAM = -1;
+        SUCCESS = 1;
+        INVALID_TOKEN = 2;
+        INVALID_TYPE = 3;
+    }
+    Status status = 1;
+    string contentID = 2;
+    string contentToken = 3;
+}
+
 message ContentUpdateRequest {
     enum Type {
         UNKNOWN = 0;

From b749120d3f6a0c6ae54ce3b950009721f4af47d7 Mon Sep 17 00:00:00 2001
From: Kang Huquan <799385272@qq.com>
Date: Tue, 30 Jul 2019 17:08:00 +0800
Subject: [PATCH 04/12] update sellInfo Tag

---
 backend/api/buyinfo/main.go               | 16 ++--
 backend/api/sellinfo/main.go              | 16 ++--
 backend/srv/buyinfo/main.go               | 22 ++++--
 backend/srv/buyinfo/proto/buyinfo.pb.go   | 89 +++++++++++++----------
 backend/srv/buyinfo/proto/buyinfo.proto   |  1 +
 backend/srv/sellinfo/main.go              | 22 ++++--
 backend/srv/sellinfo/proto/sellinfo.pb.go | 89 +++++++++++++----------
 backend/srv/sellinfo/proto/sellinfo.proto |  1 +
 8 files changed, 152 insertions(+), 104 deletions(-)

diff --git a/backend/api/buyinfo/main.go b/backend/api/buyinfo/main.go
index b1977cf..99b3fda 100644
--- a/backend/api/buyinfo/main.go
+++ b/backend/api/buyinfo/main.go
@@ -73,13 +73,14 @@ func getBuyInfo(c *gin.Context) {
  */
 func addBuyInfo(c *gin.Context) {
 	type param struct {
-		ValidTime    int64   `form:"validTime" binding:"required"`
-		GoodName     string  `form:"goodName" binding:"required"`
-		Price        float64 `form:"price"`
-		Description  string  `form:"description"`
-		ContentID    string  `form:"contentID"`
-		ContentToken string  `form:"contentToken"`
-		UserID       int32   `form:"userID" binding:"required"`
+		ValidTime    int64    `form:"validTime" binding:"required"`
+		GoodName     string   `form:"goodName" binding:"required"`
+		Price        float64  `form:"price"`
+		Description  string   `form:"description"`
+		ContentID    string   `form:"contentID"`
+		ContentToken string   `form:"contentToken"`
+		UserID       int32    `form:"userID" binding:"required"`
+		Tags         []string `form:"tags"`
 	}
 	var p param
 	if !utils.LogContinue(c.ShouldBind(&p), utils.Warning) {
@@ -104,6 +105,7 @@ func addBuyInfo(c *gin.Context) {
 			ContentID:    p.ContentID,
 			ContentToken: p.ContentToken,
 			UserID:       p.UserID,
+			Tags:         p.Tags,
 		})
 		if utils.LogContinue(err, utils.Warning, "BuyInfo service error: %v", err) {
 			c.JSON(500, err)
diff --git a/backend/api/sellinfo/main.go b/backend/api/sellinfo/main.go
index fd11f18..28f698d 100644
--- a/backend/api/sellinfo/main.go
+++ b/backend/api/sellinfo/main.go
@@ -73,13 +73,14 @@ func getSellInfo(c *gin.Context) {
  */
 func addSellInfo(c *gin.Context) {
 	type param struct {
-		ValidTime    int64   `form:"validTime" binding:"required"`
-		GoodName     string  `form:"goodName" binding:"required"`
-		Price        float64 `form:"price"`
-		Description  string  `form:"description"`
-		ContentID    string  `form:"contentID"`
-		ContentToken string  `form:"contentToken"`
-		UserID       int32   `form:"userID" binding:"required"`
+		ValidTime    int64    `form:"validTime" binding:"required"`
+		GoodName     string   `form:"goodName" binding:"required"`
+		Price        float64  `form:"price"`
+		Description  string   `form:"description"`
+		ContentID    string   `form:"contentID"`
+		ContentToken string   `form:"contentToken"`
+		UserID       int32    `form:"userID" binding:"required"`
+		Tags         []string `form:"tags"`
 	}
 	var p param
 	if !utils.LogContinue(c.ShouldBind(&p), utils.Warning) {
@@ -104,6 +105,7 @@ func addSellInfo(c *gin.Context) {
 			ContentID:    p.ContentID,
 			ContentToken: p.ContentToken,
 			UserID:       p.UserID,
+			Tags:         p.Tags,
 		})
 		if utils.LogContinue(err, utils.Warning, "SellInfo service error: %v", err) {
 			c.JSON(500, err)
diff --git a/backend/srv/buyinfo/main.go b/backend/srv/buyinfo/main.go
index bb32ee1..34fe530 100644
--- a/backend/srv/buyinfo/main.go
+++ b/backend/srv/buyinfo/main.go
@@ -84,6 +84,7 @@ func (a *srv) Query(ctx context.Context, req *buyinfo.BuyInfoQueryRequest, rsp *
  * @apiParam {double} [price] good price
  * @apiParam {string} [contentID] content id of good
  * @apiParam {string} [contentToken] content token
+ * @apiParam {list} [tags] {string} tag
  * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token
  * @apiSuccess {int32} buyInfoID created buyInfoID
  * @apiUse DBServerDown
@@ -130,6 +131,22 @@ func (a *srv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest, rsp
 		return info.ID, nil
 	}
 
+	srv := utils.CallMicroService("content", func(name string, c client.Client) interface{} { return content.NewContentService(name, c) },
+		func() interface{} { return mock.NewContentService() }).(content.ContentService)
+	if utils.RequireParam(req.Tags) {
+		microRsp, err := srv.CreateTag(context.TODO(), &content.ContentCreateTagRequest{
+			ContentID:    req.ContentID,
+			ContentToken: req.ContentToken,
+			Tags:         req.Tags,
+		})
+		if err != nil || microRsp.Status != content.ContentCreateTagResponse_SUCCESS {
+			rsp.Status = buyinfo.BuyInfoCreateResponse_INVALID_TOKEN
+			return nil
+		}
+		req.ContentID = microRsp.ContentID
+		req.ContentToken = microRsp.ContentToken
+	}
+
 	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) {
 		id, err := insert()
 		if err != nil || id == 0 {
@@ -138,11 +155,6 @@ func (a *srv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest, rsp
 		rsp.Status = buyinfo.BuyInfoCreateResponse_SUCCESS
 		rsp.BuyInfoID = id
 	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) {
-		srv := utils.CallMicroService("content", func(name string, c client.Client) interface{} {
-			return content.NewContentService(name, c)
-		}, func() interface{} {
-			return mock.NewContentService()
-		}).(content.ContentService)
 		microRsp, err := srv.Check(context.TODO(), &content.ContentCheckRequest{
 			ContentID:    req.ContentID,
 			ContentToken: req.ContentToken,
diff --git a/backend/srv/buyinfo/proto/buyinfo.pb.go b/backend/srv/buyinfo/proto/buyinfo.pb.go
index d0727a4..8102d72 100644
--- a/backend/srv/buyinfo/proto/buyinfo.pb.go
+++ b/backend/srv/buyinfo/proto/buyinfo.pb.go
@@ -246,6 +246,7 @@ type BuyInfoCreateRequest struct {
 	ContentID            string   `protobuf:"bytes,5,opt,name=contentID,proto3" json:"contentID,omitempty"`
 	ContentToken         string   `protobuf:"bytes,6,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
 	UserID               int32    `protobuf:"varint,7,opt,name=userID,proto3" json:"userID,omitempty"`
+	Tags                 []string `protobuf:"bytes,8,rep,name=tags,proto3" json:"tags,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -325,6 +326,13 @@ func (m *BuyInfoCreateRequest) GetUserID() int32 {
 	return 0
 }
 
+func (m *BuyInfoCreateRequest) GetTags() []string {
+	if m != nil {
+		return m.Tags
+	}
+	return nil
+}
+
 type BuyInfoCreateResponse struct {
 	Status               BuyInfoCreateResponse_Status `protobuf:"varint,1,opt,name=status,proto3,enum=BuyInfoCreateResponse_Status" json:"status,omitempty"`
 	BuyInfoID            int32                        `protobuf:"varint,2,opt,name=buyInfoID,proto3" json:"buyInfoID,omitempty"`
@@ -512,44 +520,45 @@ func init() {
 func init() { proto.RegisterFile("buyinfo.proto", fileDescriptor_0e8250a94d2d8d95) }
 
 var fileDescriptor_0e8250a94d2d8d95 = []byte{
-	// 620 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x94, 0xdd, 0x6e, 0xd3, 0x4c,
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+	// 632 bytes of a gzipped FileDescriptorProto
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+	0x18, 0x53, 0x79, 0xb8, 0x53, 0x05, 0x00, 0x00,
 }
diff --git a/backend/srv/buyinfo/proto/buyinfo.proto b/backend/srv/buyinfo/proto/buyinfo.proto
index ac09e7b..a138f81 100644
--- a/backend/srv/buyinfo/proto/buyinfo.proto
+++ b/backend/srv/buyinfo/proto/buyinfo.proto
@@ -41,6 +41,7 @@ message BuyInfoCreateRequest {
     string contentID = 5;
     string contentToken = 6;
     int32 userID = 7;
+    repeated string tags = 8;
 }
 
 message BuyInfoCreateResponse {
diff --git a/backend/srv/sellinfo/main.go b/backend/srv/sellinfo/main.go
index 1796635..f1707e7 100644
--- a/backend/srv/sellinfo/main.go
+++ b/backend/srv/sellinfo/main.go
@@ -85,6 +85,7 @@ func (a *srv) Query(ctx context.Context, req *sellinfo.SellInfoQueryRequest, rsp
  * @apiParam {double} [price] good price
  * @apiParam {string} [contentID] content id of good
  * @apiParam {string} [contentToken] content token
+ * @apiParam {list} [tags] {string} tag
  * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token
  * @apiSuccess {int32} sellInfoID created sellInfoID
  * @apiUse DBServerDown
@@ -131,6 +132,22 @@ func (a *srv) Create(ctx context.Context, req *sellinfo.SellInfoCreateRequest, r
 		return info.ID, nil
 	}
 
+	srv := utils.CallMicroService("content", func(name string, c client.Client) interface{} { return content.NewContentService(name, c) },
+		func() interface{} { return mock.NewContentService() }).(content.ContentService)
+	if utils.RequireParam(req.Tags) {
+		microRsp, err := srv.CreateTag(context.TODO(), &content.ContentCreateTagRequest{
+			ContentID:    req.ContentID,
+			ContentToken: req.ContentToken,
+			Tags:         req.Tags,
+		})
+		if err != nil || microRsp.Status != content.ContentCreateTagResponse_SUCCESS {
+			rsp.Status = sellinfo.SellInfoCreateResponse_INVALID_TOKEN
+			return nil
+		}
+		req.ContentID = microRsp.ContentID
+		req.ContentToken = microRsp.ContentToken
+	}
+
 	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) {
 		id, err := insert()
 		if err != nil || id == 0 {
@@ -139,11 +156,6 @@ func (a *srv) Create(ctx context.Context, req *sellinfo.SellInfoCreateRequest, r
 		rsp.Status = sellinfo.SellInfoCreateResponse_SUCCESS
 		rsp.SellInfoID = id
 	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) {
-		srv := utils.CallMicroService("content", func(name string, c client.Client) interface{} {
-			return content.NewContentService(name, c)
-		}, func() interface{} {
-			return mock.NewContentService()
-		}).(content.ContentService)
 		microRsp, err := srv.Check(context.TODO(), &content.ContentCheckRequest{
 			ContentID:    req.ContentID,
 			ContentToken: req.ContentToken,
diff --git a/backend/srv/sellinfo/proto/sellinfo.pb.go b/backend/srv/sellinfo/proto/sellinfo.pb.go
index 9eca6ef..7a950e1 100644
--- a/backend/srv/sellinfo/proto/sellinfo.pb.go
+++ b/backend/srv/sellinfo/proto/sellinfo.pb.go
@@ -246,6 +246,7 @@ type SellInfoCreateRequest struct {
 	ContentID            string   `protobuf:"bytes,5,opt,name=contentID,proto3" json:"contentID,omitempty"`
 	ContentToken         string   `protobuf:"bytes,6,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
 	UserID               int32    `protobuf:"varint,7,opt,name=userID,proto3" json:"userID,omitempty"`
+	Tags                 []string `protobuf:"bytes,8,rep,name=tags,proto3" json:"tags,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -325,6 +326,13 @@ func (m *SellInfoCreateRequest) GetUserID() int32 {
 	return 0
 }
 
+func (m *SellInfoCreateRequest) GetTags() []string {
+	if m != nil {
+		return m.Tags
+	}
+	return nil
+}
+
 type SellInfoCreateResponse struct {
 	Status               SellInfoCreateResponse_Status `protobuf:"varint,1,opt,name=status,proto3,enum=SellInfoCreateResponse_Status" json:"status,omitempty"`
 	SellInfoID           int32                         `protobuf:"varint,2,opt,name=sellInfoID,proto3" json:"sellInfoID,omitempty"`
@@ -512,44 +520,45 @@ func init() {
 func init() { proto.RegisterFile("sellinfo.proto", fileDescriptor_9c322b32f573704b) }
 
 var fileDescriptor_9c322b32f573704b = []byte{
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+	0x30, 0xdd, 0x6e, 0x05, 0x00, 0x00,
 }
diff --git a/backend/srv/sellinfo/proto/sellinfo.proto b/backend/srv/sellinfo/proto/sellinfo.proto
index 8f56977..f5af068 100644
--- a/backend/srv/sellinfo/proto/sellinfo.proto
+++ b/backend/srv/sellinfo/proto/sellinfo.proto
@@ -41,6 +41,7 @@ message SellInfoCreateRequest {
     string contentID = 5;
     string contentToken = 6;
     int32 userID = 7;
+    repeated string tags = 8;
 }
 
 message SellInfoCreateResponse {

From 7c098eac9f93104192a073cf1ad73262e1784556 Mon Sep 17 00:00:00 2001
From: Kang Huquan <799385272@qq.com>
Date: Tue, 30 Jul 2019 17:11:22 +0800
Subject: [PATCH 05/12] update tag doc

---
 backend/doc/api_data.js      | 112 +++++++++++++++++++++++++++++++++++
 backend/doc/api_data.json    | 112 +++++++++++++++++++++++++++++++++++
 backend/doc/api_project.js   |   2 +-
 backend/doc/api_project.json |   2 +-
 4 files changed, 226 insertions(+), 2 deletions(-)

diff --git a/backend/doc/api_data.js b/backend/doc/api_data.js
index 3aba1f0..163776f 100644
--- a/backend/doc/api_data.js
+++ b/backend/doc/api_data.js
@@ -1016,6 +1016,13 @@ define({ "api": [
             "optional": true,
             "field": "contentToken",
             "description": "<p>content token</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "list",
+            "optional": true,
+            "field": "tags",
+            "description": "<p>{string} tag</p>"
           }
         ]
       }
@@ -1354,6 +1361,90 @@ define({ "api": [
         ]
       }
     },
+    "success": {
+      "fields": {
+        "Success 200": [
+          {
+            "group": "Success 200",
+            "type": "int32",
+            "optional": false,
+            "field": "status",
+            "description": "<p>-1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 2 for invalid type</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "string",
+            "optional": false,
+            "field": "contentID",
+            "description": "<p>24 bytes contentID</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "string",
+            "optional": false,
+            "field": "contentToken",
+            "description": "<p>random uuid content token</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "string",
+            "optional": false,
+            "field": "fileID",
+            "description": "<p>24 bytes fileID</p>"
+          }
+        ]
+      }
+    },
+    "filename": "srv/content/main.go",
+    "groupTitle": "Service",
+    "error": {
+      "fields": {
+        "Error 500": [
+          {
+            "group": "Error 500",
+            "optional": false,
+            "field": "DBServerDown",
+            "description": "<p>can't connect to database server</p>"
+          }
+        ]
+      }
+    }
+  },
+  {
+    "type": "rpc",
+    "url": "/rpc",
+    "title": "Content.CreateTag",
+    "version": "1.0.0",
+    "group": "Service",
+    "name": "Content_CreateTag",
+    "description": "<p>create tags</p>",
+    "parameter": {
+      "fields": {
+        "Parameter": [
+          {
+            "group": "Parameter",
+            "type": "string",
+            "optional": true,
+            "field": "contentID",
+            "description": "<p>24 bytes content id, left empty for first upload</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "string",
+            "optional": true,
+            "field": "contentToken",
+            "description": "<p>content token, left empty for first upload</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "list",
+            "optional": false,
+            "field": "tags",
+            "description": "<p>{string} tag</p>"
+          }
+        ]
+      }
+    },
     "success": {
       "fields": {
         "Success 200": [
@@ -1496,6 +1587,13 @@ define({ "api": [
             "optional": false,
             "field": "files",
             "description": "<p>{string} fileID : file id <br> {int32} type : file type 1 for picture, 2 for video</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "list",
+            "optional": false,
+            "field": "tags",
+            "description": "<p>{string} tag : tag name</p>"
           }
         ]
       }
@@ -1560,6 +1658,13 @@ define({ "api": [
             "optional": true,
             "field": "type",
             "description": "<p>1 for picture <br> 2 for video (note: only delete the file if empty)</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "array",
+            "optional": false,
+            "field": "tags",
+            "description": "<p>string array tags, simply overwrite original tags, clear if empty</p>"
           }
         ]
       }
@@ -1826,6 +1931,13 @@ define({ "api": [
             "optional": true,
             "field": "contentToken",
             "description": "<p>content token</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "list",
+            "optional": true,
+            "field": "tags",
+            "description": "<p>{string} tag</p>"
           }
         ]
       }
diff --git a/backend/doc/api_data.json b/backend/doc/api_data.json
index 99f4c37..94a1810 100644
--- a/backend/doc/api_data.json
+++ b/backend/doc/api_data.json
@@ -1016,6 +1016,13 @@
             "optional": true,
             "field": "contentToken",
             "description": "<p>content token</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "list",
+            "optional": true,
+            "field": "tags",
+            "description": "<p>{string} tag</p>"
           }
         ]
       }
@@ -1354,6 +1361,90 @@
         ]
       }
     },
+    "success": {
+      "fields": {
+        "Success 200": [
+          {
+            "group": "Success 200",
+            "type": "int32",
+            "optional": false,
+            "field": "status",
+            "description": "<p>-1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 2 for invalid type</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "string",
+            "optional": false,
+            "field": "contentID",
+            "description": "<p>24 bytes contentID</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "string",
+            "optional": false,
+            "field": "contentToken",
+            "description": "<p>random uuid content token</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "string",
+            "optional": false,
+            "field": "fileID",
+            "description": "<p>24 bytes fileID</p>"
+          }
+        ]
+      }
+    },
+    "filename": "srv/content/main.go",
+    "groupTitle": "Service",
+    "error": {
+      "fields": {
+        "Error 500": [
+          {
+            "group": "Error 500",
+            "optional": false,
+            "field": "DBServerDown",
+            "description": "<p>can't connect to database server</p>"
+          }
+        ]
+      }
+    }
+  },
+  {
+    "type": "rpc",
+    "url": "/rpc",
+    "title": "Content.CreateTag",
+    "version": "1.0.0",
+    "group": "Service",
+    "name": "Content_CreateTag",
+    "description": "<p>create tags</p>",
+    "parameter": {
+      "fields": {
+        "Parameter": [
+          {
+            "group": "Parameter",
+            "type": "string",
+            "optional": true,
+            "field": "contentID",
+            "description": "<p>24 bytes content id, left empty for first upload</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "string",
+            "optional": true,
+            "field": "contentToken",
+            "description": "<p>content token, left empty for first upload</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "list",
+            "optional": false,
+            "field": "tags",
+            "description": "<p>{string} tag</p>"
+          }
+        ]
+      }
+    },
     "success": {
       "fields": {
         "Success 200": [
@@ -1496,6 +1587,13 @@
             "optional": false,
             "field": "files",
             "description": "<p>{string} fileID : file id <br> {int32} type : file type 1 for picture, 2 for video</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "list",
+            "optional": false,
+            "field": "tags",
+            "description": "<p>{string} tag : tag name</p>"
           }
         ]
       }
@@ -1560,6 +1658,13 @@
             "optional": true,
             "field": "type",
             "description": "<p>1 for picture <br> 2 for video (note: only delete the file if empty)</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "array",
+            "optional": false,
+            "field": "tags",
+            "description": "<p>string array tags, simply overwrite original tags, clear if empty</p>"
           }
         ]
       }
@@ -1826,6 +1931,13 @@
             "optional": true,
             "field": "contentToken",
             "description": "<p>content token</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "list",
+            "optional": true,
+            "field": "tags",
+            "description": "<p>{string} tag</p>"
           }
         ]
       }
diff --git a/backend/doc/api_project.js b/backend/doc/api_project.js
index 71b19d6..106cb34 100644
--- a/backend/doc/api_project.js
+++ b/backend/doc/api_project.js
@@ -20,7 +20,7 @@ define({
   "apidoc": "0.3.0",
   "generator": {
     "name": "apidoc",
-    "time": "2019-07-29T12:32:59.009Z",
+    "time": "2019-07-30T09:08:33.007Z",
     "url": "http://apidocjs.com",
     "version": "0.17.7"
   }
diff --git a/backend/doc/api_project.json b/backend/doc/api_project.json
index 9a7ed28..8c6c1e6 100644
--- a/backend/doc/api_project.json
+++ b/backend/doc/api_project.json
@@ -20,7 +20,7 @@
   "apidoc": "0.3.0",
   "generator": {
     "name": "apidoc",
-    "time": "2019-07-29T12:32:59.009Z",
+    "time": "2019-07-30T09:08:33.007Z",
     "url": "http://apidocjs.com",
     "version": "0.17.7"
   }

From 19c49112d4a3a493cb7b67f1ee13a55a5fdf596e Mon Sep 17 00:00:00 2001
From: sjtuzwj <zwjaaa@hotmail.com>
Date: Tue, 30 Jul 2019 17:24:36 +0800
Subject: [PATCH 06/12] feat: media layout + dynamic statistic graph | bug fix:
 has been issued on github

---
 .../app/dashboard/dashboard.component.html    |  6 ++-
 .../src/app/dashboard/dashboard.component.ts  | 14 +++---
 .../info-statistic.component.ts               | 44 ++++++++++++++-----
 admin-frontend/src/app/info.service.ts        |  1 +
 .../app/info/buy-info/buy-info.component.html |  2 +-
 .../info/buy-info/buy-info.component.spec.ts  |  1 +
 .../app/info/buy-info/buy-info.component.ts   |  3 +-
 .../info/sell-info/sell-info.component.html   |  2 +-
 .../sell-info/sell-info.component.spec.ts     |  1 +
 .../app/infodetail/infodetail.component.css   |  6 ++-
 .../app/infodetail/infodetail.component.html  | 28 ++++++------
 .../app/infodetail/infodetail.component.ts    |  3 ++
 admin-frontend/src/app/user.service.ts        |  2 +-
 .../src/app/user/user.component.html          |  2 +-
 .../app/userdetail/userdetail.component.ts    |  3 +-
 15 files changed, 76 insertions(+), 42 deletions(-)

diff --git a/admin-frontend/src/app/dashboard/dashboard.component.html b/admin-frontend/src/app/dashboard/dashboard.component.html
index 5eb35cb..7ab487b 100644
--- a/admin-frontend/src/app/dashboard/dashboard.component.html
+++ b/admin-frontend/src/app/dashboard/dashboard.component.html
@@ -1,5 +1,4 @@
-
-        <nz-card   nzTitle="系统状态">
+<!--<nz-card   nzTitle="系统状态">
                 <div nz-row [nzGutter]="8">
                   <div nz-col [nzSpan]="8">
                     <nz-card *ngIf="userNum" nzType="inner" nzTitle="总用户数">
@@ -18,6 +17,9 @@
                   </div>
                 </div>
         </nz-card>
+-->
+
+        
         <nz-card *ngIf="hst" nzTitle="站点通知">
                 <nz-timeline [nzPending]="" nzMode="alternate">
                    <nz-timeline-item *ngFor="let item of hst" [nzColor]="getColor(item)">
diff --git a/admin-frontend/src/app/dashboard/dashboard.component.ts b/admin-frontend/src/app/dashboard/dashboard.component.ts
index e80722f..8ac875e 100644
--- a/admin-frontend/src/app/dashboard/dashboard.component.ts
+++ b/admin-frontend/src/app/dashboard/dashboard.component.ts
@@ -16,18 +16,20 @@ export class DashboardComponent implements OnInit {
 
   site : any;
   hst: any[];
+  /*
   userNum: number;
   infoNum: number;
   acInfoNum: number;
+  */
   ngOnInit() {
     this.getHistory();
     this.wbService.getSite().subscribe(s => this.site= s);
-    this.usService.getUsers().subscribe( e =>this.userNum = e.user.length);
-    this.ifService.getSellInfos().subscribe( e => {
-      this.infoNum = e.sellInfo.length;
-      this.acInfoNum = e.sellInfo.filter( e => e.status < 3).length;
-    }
-      );
+    //this.usService.getUsers().subscribe( e =>this.userNum = e.user.length);
+    //this.ifService.getSellInfos().subscribe( e => {
+    //  this.infoNum = e.sellInfo.length;
+    //this.acInfoNum = e.sellInfo.filter( e => e.status < 3).length;
+    //}
+    //  );
   }
   getHistory(){
     this.wbService.getSiteHistory().subscribe( s =>this.hst =s.sort((a,b)=> a.time-b.time));
diff --git a/admin-frontend/src/app/info-statistic/info-statistic.component.ts b/admin-frontend/src/app/info-statistic/info-statistic.component.ts
index 858a289..11fb805 100644
--- a/admin-frontend/src/app/info-statistic/info-statistic.component.ts
+++ b/admin-frontend/src/app/info-statistic/info-statistic.component.ts
@@ -32,9 +32,32 @@ export class InfoStatisticComponent implements OnInit {
                     this.ts();
                     this.lq();
                     this.good();
+                    this.getMoreBuy(100);
+                    this.getMoreSell(100);
                 }
   );})
   }
+  getMoreBuy(offset){
+      if(!(this.bi.length%100))
+        this.is.getBuyInfos(null,null,null,null,offset).subscribe(
+            e => {
+                this.bi=this.bi.concat(e.buyInfo);
+                this.lq();
+                this.getMoreBuy(offset+100);
+            }
+        );
+  }
+  getMoreSell(offset){
+      console.log(this.si.length);
+      if(!(this.si.length%100))
+        this.is.getSellInfos(null,null,null,null,offset).subscribe(
+            e => {
+                this.si= this.si.concat(e.sellInfo);
+                this.lq();
+                this.getMoreSell(offset+100);
+            }
+        );
+  }
   good() {
     var data = prepareBoxplotData([
     [850, 740, 900, 1070, 930, 850, 950, 980, 980, 880, 1000, 980, 930, 650, 760, 810, 1000, 1000, 960, 960],
@@ -43,7 +66,6 @@ export class InfoStatisticComponent implements OnInit {
     [890, 810, 810, 820, 800, 770, 760, 740, 750, 760, 910, 920, 890, 860, 880, 720, 840, 850, 850, 780],
     [890, 840, 780, 810, 760, 810, 790, 810, 820, 850, 870, 870, 810, 740, 810, 940, 950, 800, 810, 870]
 ]);
-
 this.goodoption = {
     backgroundColor: '#01193d',
     title: [
@@ -305,29 +327,31 @@ this.goodoption = {
     return [t.getFullYear(), t.getMonth() + 1, t.getDate()].join('/');
   }
   lq() {
-    const bd =new Map();
+    let bd =new Map();
     this.bi.forEach( e => {
+        if(!e||e.releaseTime<0)return;
        const str = this.fmt(new Date(e.releaseTime*1000));
        if(str in bd)
         bd[str]+=1;
         else 
         bd[str]=1;
     });
-    const sd =new Map();
+    let sd =new Map();
     this.si.forEach( e => {
+        if(!e||e.releaseTime<0)return;
        const str = this.fmt(new Date(e.releaseTime*1000));
        if(str in sd)
         sd[str]+=1;
         else 
         sd[str]=1;
     });
-    const bdata = [];
+    let bdata = [];
     for(let i in bd){
         bdata.push([i,bd[i]]);
     }
-    const sdata = [];
+
+    let sdata = [];
     for(let i in sd){
-        console.log(i);
         sdata.push([i,sd[i]]);
     }
     this.lqoption = {
@@ -378,18 +402,14 @@ this.goodoption = {
         {
             name: '新增购买信息',
             type: 'value',
-            max: function(value) {
-                return value.max *3/2;
-            }
+            max: (value) => value.max*3/2
         },
         {
             name: '新增出售信息',
             nameLocation: 'start',
             type: 'value',
             inverse: true,
-            max: function(value) {
-                return value.max *3/2;
-            }
+            max: (value) => value.max*3/2
         }
     ],
     series: [
diff --git a/admin-frontend/src/app/info.service.ts b/admin-frontend/src/app/info.service.ts
index 100ca1d..2096e94 100644
--- a/admin-frontend/src/app/info.service.ts
+++ b/admin-frontend/src/app/info.service.ts
@@ -26,6 +26,7 @@ export class InfoService {
       catchError(this.handleError<sellInfo>(`getInfo id=${id}`))
     );
   }
+
   /** GET infos from the server */
   getSellInfos(userID: string = null, status: number = null, goodName: string = null,limit:number=null, offset: number=null): Observable<InfoResponse> {    
     let url = `${this.sellinfoUrl}?`;
diff --git a/admin-frontend/src/app/info/buy-info/buy-info.component.html b/admin-frontend/src/app/info/buy-info/buy-info.component.html
index be582ad..610801a 100644
--- a/admin-frontend/src/app/info/buy-info/buy-info.component.html
+++ b/admin-frontend/src/app/info/buy-info/buy-info.component.html
@@ -6,7 +6,7 @@
           <nz-card [nzTitle]="info.goodName">
       <div>
         <div class='infoitem'>
-            <span class="badge">交易名</span>{{info.goodName}}
+            <span class="badge">交易名</span>{{info.goodName.length>10? info.goodName.substr(0,10)+'...':info.goodName}}
         </div>
         <div class='infoitem'>
               <span class="badge">交易ID</span>{{info.buyInfoID}}
diff --git a/admin-frontend/src/app/info/buy-info/buy-info.component.spec.ts b/admin-frontend/src/app/info/buy-info/buy-info.component.spec.ts
index be6a390..3c934d3 100644
--- a/admin-frontend/src/app/info/buy-info/buy-info.component.spec.ts
+++ b/admin-frontend/src/app/info/buy-info/buy-info.component.spec.ts
@@ -84,6 +84,7 @@ describe('BuyInfoComponent', () => {
     expect(c.getstate(2)).toEqual('预约');
     expect(c.getstate(3)).toEqual('完成');
     expect(c.getstate(4)).toEqual('失效');
+    expect(c.getstate(5)).toEqual('关闭');
     expect(c.stringToDate(1563134054)).toEqual('2019-07-15 03:54:14');
     c.checkcount();
     c.buyinfos= [new buyInfo];
diff --git a/admin-frontend/src/app/info/buy-info/buy-info.component.ts b/admin-frontend/src/app/info/buy-info/buy-info.component.ts
index 456ae5f..bf0f27c 100644
--- a/admin-frontend/src/app/info/buy-info/buy-info.component.ts
+++ b/admin-frontend/src/app/info/buy-info/buy-info.component.ts
@@ -38,12 +38,13 @@ export class BuyInfoComponent implements OnInit {
           return '完成';
         case 4: 
           return '失效';
+        case 5:
+          return '关闭';
       }
   }
 
   stringToDate(params) {
       const date = new Date(params*1000);
-      console.log(params);
       return Format(date,'yyyy-MM-dd HH:mm:ss');
       }
 
diff --git a/admin-frontend/src/app/info/sell-info/sell-info.component.html b/admin-frontend/src/app/info/sell-info/sell-info.component.html
index 5ca5719..1f20c64 100644
--- a/admin-frontend/src/app/info/sell-info/sell-info.component.html
+++ b/admin-frontend/src/app/info/sell-info/sell-info.component.html
@@ -6,7 +6,7 @@
           <nz-card [nzTitle]="info.goodName">
       <div>
         <div class='infoitem'>
-            <span class="badge">交易名</span>{{info.goodName}}
+            <span class="badge">交易名</span>{{info.goodName.length>10? info.goodName.substr(0,10)+'...':info.goodName}}
         </div>
         <div class='infoitem'>
               <span class="badge">交易ID</span>{{info.sellInfoID}}
diff --git a/admin-frontend/src/app/info/sell-info/sell-info.component.spec.ts b/admin-frontend/src/app/info/sell-info/sell-info.component.spec.ts
index d67cf3c..d9bb70e 100644
--- a/admin-frontend/src/app/info/sell-info/sell-info.component.spec.ts
+++ b/admin-frontend/src/app/info/sell-info/sell-info.component.spec.ts
@@ -83,6 +83,7 @@ describe('SellInfoComponent', () => {
     expect(c.getstate(2)).toEqual('预约');
     expect(c.getstate(3)).toEqual('完成');
     expect(c.getstate(4)).toEqual('失效');
+    expect(c.getstate(5)).toEqual('关闭');
     expect(c.stringToDate(1563134054)).toEqual('2019-07-15 03:54:14');
     c.checkcount();
     c.searchUserID = '';
diff --git a/admin-frontend/src/app/infodetail/infodetail.component.css b/admin-frontend/src/app/infodetail/infodetail.component.css
index d692455..418f6bf 100644
--- a/admin-frontend/src/app/infodetail/infodetail.component.css
+++ b/admin-frontend/src/app/infodetail/infodetail.component.css
@@ -38,4 +38,8 @@
    #tag{
      width: 50%;
    }
-   
\ No newline at end of file
+
+   #content{
+    width:100%;
+    height:500px;
+   }
\ No newline at end of file
diff --git a/admin-frontend/src/app/infodetail/infodetail.component.html b/admin-frontend/src/app/infodetail/infodetail.component.html
index ef50e79..cc25772 100644
--- a/admin-frontend/src/app/infodetail/infodetail.component.html
+++ b/admin-frontend/src/app/infodetail/infodetail.component.html
@@ -11,11 +11,8 @@
                 <span class="badge">交易ID</span>{{info.sellInfoID}}
           </div>
           <div class='infoitem'>
-                <span class="badge">交易类型</span>{{'出售'}}
+                <span class="badge">交易类型</span>{{type=='sellInfo'?'出售':'求购'}}
           </div>    
-          <div class='infoitem'>
-                <span class="badge">交易内容(待微服务)</span>{{info.contentID}}
-          </div>
         <div class='infoitem'>
           <span class="badge">发起用户</span>
           <a routerLink="/user/{{info.userID}}">{{info.userID}}
@@ -47,6 +44,7 @@
               <nz-option nzLabel="预约" [nzValue]="2"></nz-option>
               <nz-option nzLabel="完成" [nzValue]="3"></nz-option>
               <nz-option nzLabel="失效" [nzValue]="4"></nz-option>
+              <nz-option nzLabel="关闭" [nzValue]="5"></nz-option>
             </nz-select>
         </div>
         <div class='infoitem'>
@@ -72,17 +70,19 @@
           <button (click)="goBack()" nz-button nzType="dashed"><i nz-icon type="left-circle" theme="outline"></i>返回</button>
           <button (click)="save()" nz-button nzType="primary"><i nz-icon type="save" theme="outline"></i>保存</button>
       </div>
-      <div nz-col [nzSpan]="8">
+      <div nz-col [nzSpan]="16">
           <nz-card nzType="inner">
-      <nz-carousel nzAutoPlay>
-          <div nz-carousel-content *ngFor="let content of contents">
-              <embed *ngIf="content.type==2"
-              src="/api/file/{{content.fileID}}" />   
-              <img *ngIf="content.type==1"
-              src="/api/file/{{content.fileID}}" />   
-          </div>
-        </nz-carousel>
-          </nz-card>
+              <nz-carousel>
+                  <div nz-carousel-content *ngFor="let content of contents">
+                      <video id='content'*ngIf="content.type==2"
+                      src="/api/file/{{content.fileID}}" controls></video> 
+                      <img  id='content'*ngIf="content.type==1"
+                      src="/api/file/{{content.fileID}}" />   
+                  </div>
+                </nz-carousel>
+                  </nz-card>
+      </div>
+      <div nz-col [nzSpan]="8">
           <nz-card nzTitle="交易状态">
               <nz-timeline nzMode="alternate">
                       <nz-timeline-item>创建交易 2019-07-01</nz-timeline-item>
diff --git a/admin-frontend/src/app/infodetail/infodetail.component.ts b/admin-frontend/src/app/infodetail/infodetail.component.ts
index 620f2b3..918ff29 100644
--- a/admin-frontend/src/app/infodetail/infodetail.component.ts
+++ b/admin-frontend/src/app/infodetail/infodetail.component.ts
@@ -44,6 +44,7 @@ stringToDate(params) {
     getContent(): void {
     this.fileService.getContent(this.info.contentID).subscribe(
         e => {
+            console.log(e);
             if(e)
             this.contents = e.files;
         }
@@ -60,6 +61,7 @@ stringToDate(params) {
           if(!info)return;
           this.info = info;
           this.deadLine = new Date(this.info.validTime*1000);
+          this.getContent();
       });
     else if(this.type === 'buyInfo')
     this.infoService.getBuyInfo(id)
@@ -67,6 +69,7 @@ stringToDate(params) {
         if(!info)return;
           this.info = info;
           this.deadLine = new Date(this.info.validTime*1000);
+          this.getContent();
       });
   }
 
diff --git a/admin-frontend/src/app/user.service.ts b/admin-frontend/src/app/user.service.ts
index 7c0c881..65e341b 100644
--- a/admin-frontend/src/app/user.service.ts
+++ b/admin-frontend/src/app/user.service.ts
@@ -24,7 +24,7 @@ export class UserService {
   }
   /** GET users from the server */
   getUsers(): Observable<UserResponse> {
-    const url = `${this.usersUrl}`;
+    const url = `${this.usersUrl}?limit=100000`;
     return this.http.get<UserResponse>(url,httpOptions)
       .pipe(
         catchError(this.handleError<UserResponse>('getUsers'))
diff --git a/admin-frontend/src/app/user/user.component.html b/admin-frontend/src/app/user/user.component.html
index f4529f4..b47f2b5 100644
--- a/admin-frontend/src/app/user/user.component.html
+++ b/admin-frontend/src/app/user/user.component.html
@@ -30,7 +30,7 @@ <h2>用户管理</h2>
               <span class="badge">用户ID</span>{{user.userID}}
         </div>
         <div class='useritem'>
-          <span class="badge">用户名</span>{{user.userName}}
+          <span class="badge">用户名</span>{{user.userName.length>10?user.userName.substr(0,10)+'...':user.userName}}
       </div>
       <div class='useritem'>
           <span class="badge">封禁</span>{{user.status==2?'是':'否'}}
diff --git a/admin-frontend/src/app/userdetail/userdetail.component.ts b/admin-frontend/src/app/userdetail/userdetail.component.ts
index 9e3d0df..1b466e2 100644
--- a/admin-frontend/src/app/userdetail/userdetail.component.ts
+++ b/admin-frontend/src/app/userdetail/userdetail.component.ts
@@ -112,8 +112,7 @@ this.infos.forEach(element => {
 title: {
 },
 legend: {
-    data: ['Record'],
-    left: 'right'
+    data: ['出售', '求购']
 },
 polar: {},
 tooltip: {

From 7464a95840df2169a7c1413d55fc6be9c1b5cb32 Mon Sep 17 00:00:00 2001
From: sjtuzwj <zwjaaa@hotmail.com>
Date: Wed, 31 Jul 2019 11:43:47 +0800
Subject: [PATCH 07/12] feat: dynamic data query(double polling with different
 period: render/get) / pause button to pause render polling

---
 .../info-statistic.component.html             |   6 +-
 .../info-statistic.component.ts               | 106 +++++++-----------
 admin-frontend/src/app/info.service.ts        |  65 +++++++++++
 3 files changed, 113 insertions(+), 64 deletions(-)

diff --git a/admin-frontend/src/app/info-statistic/info-statistic.component.html b/admin-frontend/src/app/info-statistic/info-statistic.component.html
index 3a3fba8..9b54ea1 100644
--- a/admin-frontend/src/app/info-statistic/info-statistic.component.html
+++ b/admin-frontend/src/app/info-statistic/info-statistic.component.html
@@ -16,7 +16,11 @@
           </div>
 
         
-        <div class='outer-div' id='lq'>
+        <div class='outer-div' id='lq'>    
+          <button nz-button nzType="primary" (click) ="pauseLine()"nzShape="circle">
+            <i nz-icon *ngIf='!pl' nzType="pause"></i>
+            <i nz-icon *ngIf='pl' nzType="caret-right"></i>
+          </button>
           <div echarts theme="dark" class='btc' [loading]="true" [options]="lqoption"></div>
         </div>
         
\ No newline at end of file
diff --git a/admin-frontend/src/app/info-statistic/info-statistic.component.ts b/admin-frontend/src/app/info-statistic/info-statistic.component.ts
index 11fb805..8942b39 100644
--- a/admin-frontend/src/app/info-statistic/info-statistic.component.ts
+++ b/admin-frontend/src/app/info-statistic/info-statistic.component.ts
@@ -20,6 +20,7 @@ export class InfoStatisticComponent implements OnInit {
   goodoption: any;
   bi: buyInfo[];
   si: sellInfo[];
+  pl: boolean = false;
   constructor(private is: InfoService) { }
   ngOnInit() {
     this.is.getBuyInfos().subscribe(
@@ -31,32 +32,26 @@ export class InfoStatisticComponent implements OnInit {
                     this.fdg();
                     this.ts();
                     this.lq();
-                    this.good();
-                    this.getMoreBuy(100);
-                    this.getMoreSell(100);
+                    this.good();          
+                    this.bi = this.is.getAllBuyInfo();          
+                    this.si = this.is.getAllSellInfo();
+                    this.getAllInfo();
                 }
   );})
   }
-  getMoreBuy(offset){
-      if(!(this.bi.length%100))
-        this.is.getBuyInfos(null,null,null,null,offset).subscribe(
-            e => {
-                this.bi=this.bi.concat(e.buyInfo);
-                this.lq();
-                this.getMoreBuy(offset+100);
-            }
-        );
+  pauseLine(){
+      this.pl=!this.pl;
   }
-  getMoreSell(offset){
-      console.log(this.si.length);
-      if(!(this.si.length%100))
-        this.is.getSellInfos(null,null,null,null,offset).subscribe(
-            e => {
-                this.si= this.si.concat(e.sellInfo);
-                this.lq();
-                this.getMoreSell(offset+100);
-            }
-        );
+  getAllInfo(){
+
+      setTimeout(() => {
+          this.bi = this.is.getAllBuyInfo();
+          this.bi = this.bi.sort( (a,b) => a.releaseTime - b.releaseTime);
+          this.si = this.is.getAllSellInfo();
+          this.si = this.si.sort( (a,b) => a.releaseTime - b.releaseTime);
+          if(!this.pl)this.lq();
+          this.getAllInfo();
+      }, 10000);
   }
   good() {
     var data = prepareBoxplotData([
@@ -415,69 +410,54 @@ this.goodoption = {
     series: [
         {
             name: '购买',
-            type: 'line',
-            animation: false,
-            smooth: true,
-            showAllSymbol: true,
+            yAxisIndex: 0,
+            type:'line',
+            smooth:true,
             symbol: 'circle',
-            symbolSize: 6,
+            symbolSize: 1,
+            sampling: 'average',
+            itemStyle: {
+                normal: {
+                    color: '#d68262'
+                }
+            },
             areaStyle: {
                 normal: {
                     color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                         offset: 0,
-                        color: 'rgba(137, 189, 27, 0.9)'
+                        color: '#d68262'
                     }, {
-                        offset: 0.8,
-                        color: 'rgba(137, 189, 27, 0)'
-                    }], false),
-                    shadowColor: 'rgba(0, 0, 0, 0.1)',
-                    shadowBlur: 10
-                }
-            },
-            itemStyle: {
-                normal: {
-                    color: 'rgb(137,189,27)',
-                    borderColor: 'rgba(137,189,2,0.27)',
-                    borderWidth: 12
+                        offset: 1,
+                        color: '#ffe'
+                    }])
                 }
             },
-            lineStyle: {
-                width: 1
-            },
             data: bdata
         },
         {
             name: '出售',
             type: 'line',
             yAxisIndex: 1,
-            animation: false,
+            symbolSize: 1,
             smooth: true,
-            showAllSymbol: true,
             symbol: 'circle',
-            symbolSize: 6,
-            areaStyle: {
+            sampling: 'average',
+            itemStyle: {
                 normal: {
-                    color: new echarts.graphic.LinearGradient(0, 1, 0,0 , [{
-                        offset: 0,
-                        color: 'rgba(219, 50, 51, 0.9)'
-                    }, {
-                        offset: 0.8,
-                        color: 'rgba(219, 50, 51, 0)'
-                    }], false),
-                    shadowColor: 'rgba(0, 0, 0, 0.1)',
-                    shadowBlur: 10
+                    color: '#8ec6ad'
                 }
             },
-            itemStyle: {
+            areaStyle: {
                 normal: {
-                    color: 'rgb(219,50,51)',
-                    borderColor: 'rgba(219,50,51,0.2)',
-                    borderWidth: 12
+                    color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
+                        offset: 0,
+                        color: '#8ec6ad'
+                    }, {
+                        offset: 1,
+                        color: '#ffe'
+                    }])
                 }
             },
-            lineStyle: {
-                width: 1
-            },
             data: sdata
         }
     ]
diff --git a/admin-frontend/src/app/info.service.ts b/admin-frontend/src/app/info.service.ts
index 2096e94..7793460 100644
--- a/admin-frontend/src/app/info.service.ts
+++ b/admin-frontend/src/app/info.service.ts
@@ -4,6 +4,7 @@ import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { Observable, of } from 'rxjs';
 import { catchError, map, tap } from 'rxjs/operators';
 import { sellInfo, buyInfo, InfoResponse } from './entity/info';
+import { query } from '\@angular/animations';
 
 const httpOptions = {
   headers: new HttpHeaders({ 'Content-Type': 'application/json' })
@@ -17,8 +18,72 @@ export class InfoService {
   private sellinfoUrl = 'api/sellInfo';  // URL to web api
   private buyinfoUrl = 'api/buyInfo';
   constructor(private http: HttpClient) { }
+  bi: buyInfo[];
+  si: sellInfo[];
 
+  getAllSellInfo(): sellInfo[]{
+    if(!this.si)
+    {
+      this.getSellInfos().subscribe(e=>
+        {
+        this.si = e.sellInfo;
+      this.getMoreSell(100,false);
+        })
+    }
+    return this.si;
+  }
+  
+  getAllBuyInfo(): buyInfo[]{
+    if(!this.bi)
+    {
+      this.getBuyInfos().subscribe(e=>
+        {
+        this.bi = e.buyInfo;
+      this.getMoreBuy(100,false);
+        })
+    }
+    return this.bi;
+  }
+  
+  getMoreBuy(offset, dynamic){
+    if(!(this.bi.length%100) && !dynamic)
+      this.getBuyInfos(null,null,null,null,offset).subscribe(
+          e => {
+              this.bi=this.bi.concat(e.buyInfo);
+              this.getMoreBuy(offset+100, false);
+          }
+      );
+      else{
+          setTimeout(() => {
+              this.getBuyInfos(null,null,null,null,offset).subscribe(
+                  e => {
+                      if(e.buyInfo)
+                      this.bi=this.bi.concat(e.buyInfo);
+                      this.getMoreBuy(this.bi.length-1, true);
+          }
+      );}, 5000 );
+      }
+}
 
+getMoreSell(offset, dynamic){
+    if(!(this.si.length%100) && !dynamic)
+      this.getSellInfos(null,null,null,null,offset).subscribe(
+          e => {
+              this.si= this.si.concat(e.sellInfo);
+              this.getMoreSell(offset+100, false);
+          }
+      );
+  else{
+      setTimeout(() => {
+          this.getSellInfos(null,null,null,null,offset).subscribe(
+              e => {
+                  if(e.sellInfo)
+                  this.si=this.si.concat(e.sellInfo);
+                  this.getMoreSell(this.si.length-1,true);
+      }
+  );}, 5000 );
+  }
+}
   /** GET info by id. Will 404 if id not found */
   getSellInfo(id: string): Observable<sellInfo> {
     const url = `${this.sellinfoUrl}/${id}`;

From 41c808b2901a8b08831cd5d5c354417513ac1eed Mon Sep 17 00:00:00 2001
From: sjtuzwj <zwjaaa@hotmail.com>
Date: Wed, 31 Jul 2019 17:24:28 +0800
Subject: [PATCH 08/12] feat: line+calendar+force graph with dynamic data| bug
 need to fix: array level asyc+ avoid concat undefined

---
 .../info-statistic.component.css              |   6 +
 .../info-statistic.component.html             |  11 +-
 .../info-statistic.component.spec.ts          |   4 -
 .../info-statistic.component.ts               | 300 +++++++++++-------
 admin-frontend/src/app/info.service.ts        |  29 +-
 .../app/infodetail/infodetail.component.ts    |   2 +-
 6 files changed, 213 insertions(+), 139 deletions(-)

diff --git a/admin-frontend/src/app/info-statistic/info-statistic.component.css b/admin-frontend/src/app/info-statistic/info-statistic.component.css
index ab1b79d..bc4f77b 100644
--- a/admin-frontend/src/app/info-statistic/info-statistic.component.css
+++ b/admin-frontend/src/app/info-statistic/info-statistic.component.css
@@ -57,3 +57,9 @@
 	height: 39%;	
 	background: #01193d;
 }
+
+#pause{
+    position: absolute;
+	right: 0%;
+	bottom: 0%;
+}
\ No newline at end of file
diff --git a/admin-frontend/src/app/info-statistic/info-statistic.component.html b/admin-frontend/src/app/info-statistic/info-statistic.component.html
index 9b54ea1..1874670 100644
--- a/admin-frontend/src/app/info-statistic/info-statistic.component.html
+++ b/admin-frontend/src/app/info-statistic/info-statistic.component.html
@@ -17,10 +17,11 @@
 
         
         <div class='outer-div' id='lq'>    
-          <button nz-button nzType="primary" (click) ="pauseLine()"nzShape="circle">
-            <i nz-icon *ngIf='!pl' nzType="pause"></i>
-            <i nz-icon *ngIf='pl' nzType="caret-right"></i>
-          </button>
-          <div echarts theme="dark" class='btc' [loading]="true" [options]="lqoption"></div>
+          <div echarts theme="dark" class='btc' [loading]="true" [options]="lqoption">
+            </div>
+            <button id='pause' [nzSize]="'small'" nz-button nzType="default" (click) ="pauseLine()">
+              <i nz-icon *ngIf='!pl' nzType="pause"></i>
+              <i nz-icon *ngIf='pl' nzType="caret-right"></i>
+            </button>
         </div>
         
\ No newline at end of file
diff --git a/admin-frontend/src/app/info-statistic/info-statistic.component.spec.ts b/admin-frontend/src/app/info-statistic/info-statistic.component.spec.ts
index 13442b4..3f6b7ad 100644
--- a/admin-frontend/src/app/info-statistic/info-statistic.component.spec.ts
+++ b/admin-frontend/src/app/info-statistic/info-statistic.component.spec.ts
@@ -74,10 +74,6 @@ describe('InfoStatisticComponent', () => {
     expect(component).toBeTruthy();
     component.bi = [ new buyInfo()];
     component.si = [ new sellInfo()];
-    component.good();
-    component.lq();
-    component.fdg();
-    component.ts();
     expect(component.fmt(new Date(1563134054000))).toEqual('2019/7/15');
   });
 });
diff --git a/admin-frontend/src/app/info-statistic/info-statistic.component.ts b/admin-frontend/src/app/info-statistic/info-statistic.component.ts
index 8942b39..01994b5 100644
--- a/admin-frontend/src/app/info-statistic/info-statistic.component.ts
+++ b/admin-frontend/src/app/info-statistic/info-statistic.component.ts
@@ -4,6 +4,9 @@ import * as echarts from 'echarts/lib/echarts';
 import { InfoService } from '../info.service';
 import { buyInfo, sellInfo } from 'src/app/entity/info';
 import {prepareBoxplotData} from 'echarts/extension/dataTool';
+import { Transaction } from '../entity/transaction';
+import { TransactionService } from '../transaction.service';
+import { Format } from '../Formatter/format';
 const name = ['LJH', 'WXZ', 'ZWJ', 'KHQ', 'MZD', 'ZEL', 'JZM', 'HJT', 'TRUMP',
 'LJH2', 'WXZ2', 'ZWJ2', 'KHQ2', 'MZD2', 'ZEL2', 'JZM2', 'HJT2', 'TRUMP2',
 'LJH3', 'WXZ3', 'ZWJ3', 'KHQ3', 'MZD3', 'ZEL3', 'JZM3', 'HJT3', 'TRUMP3'];
@@ -18,42 +21,57 @@ export class InfoStatisticComponent implements OnInit {
   tsoption: any;
   lqoption: any;
   goodoption: any;
-  bi: buyInfo[];
-  si: sellInfo[];
+  bi: buyInfo[]=[];
+  si: sellInfo[]=[];
+  tr: Transaction[]=[];
   pl: boolean = false;
-  constructor(private is: InfoService) { }
+  constructor(private trs: TransactionService, private is: InfoService) { }
   ngOnInit() {
     this.is.getBuyInfos().subscribe(
         e => {this.bi = e.buyInfo;
             this.is.getSellInfos().subscribe(
                 e => {
                     this.si = e.sellInfo;
-                    this.cld();
-                    this.fdg();
-                    this.ts();
-                    this.lq();
-                    this.good();          
+                    this.cloudGrpah();
+                    this.forceGraph();
+                    this.calenderGraph();
+                    this.lineGraph();
+                    this.boxGraph();    
+                    const now = new Date().getFullYear()
+                    this.tr = this.trs.getAllTR(6,new Date(now,1,1).getTime()/1000, new Date(now+1,1,1).getTime()/1000);      
                     this.bi = this.is.getAllBuyInfo();          
                     this.si = this.is.getAllSellInfo();
                     this.getAllInfo();
+                    this.getAllTR(new Date(now,1,1).getTime()/1000, new Date(now+1,1,1).getTime()/1000);
                 }
   );})
   }
   pauseLine(){
       this.pl=!this.pl;
   }
-  getAllInfo(){
 
+  getAllTR(beg, end){
+    setTimeout(() => {
+        this.tr = this.trs.getAllTR(6,beg,end);
+        if(!this.pl){
+            this.calenderGraph();
+           this.forceGraph();
+        }
+        this.getAllTR(beg,end);
+    }, 10000);
+  }
+  getAllInfo(){
       setTimeout(() => {
           this.bi = this.is.getAllBuyInfo();
           this.bi = this.bi.sort( (a,b) => a.releaseTime - b.releaseTime);
           this.si = this.is.getAllSellInfo();
           this.si = this.si.sort( (a,b) => a.releaseTime - b.releaseTime);
-          if(!this.pl)this.lq();
+          if(!this.pl)this.lineGraph();
           this.getAllInfo();
       }, 10000);
   }
-  good() {
+
+  boxGraph() {
     var data = prepareBoxplotData([
     [850, 740, 900, 1070, 930, 850, 950, 980, 980, 880, 1000, 980, 930, 650, 760, 810, 1000, 1000, 960, 960],
     [960, 940, 960, 940, 880, 800, 850, 880, 900, 840, 830, 790, 810, 880, 880, 830, 800, 790, 760, 800],
@@ -140,7 +158,68 @@ this.goodoption = {
     ]
 };
   }
-  ts() {
+  cloudGrpah() {
+    this.cldoption = {
+    backgroundColor: '#01193d',
+      title: {
+      text: 'Label WordCloud',
+      left: 'center',
+  },
+  tooltip: {},
+  series: [{
+      type: 'wordCloud',
+      shape: 'circle',
+
+      left: 'center',
+      top: 'center',
+      sizeRange: [12, 30],
+      rotationRange: [-90, 90],
+      rotationStep: 45,
+      gridSize: 8,
+      drawOutOfBound: false,
+      textStyle: {
+          normal: {
+              fontFamily: 'sans-serif',
+              fontWeight: 'bold',
+              color: () => {
+                  // Random color
+                  return 'rgb(' + [
+                      Math.round(Math.random() * 250),
+                      Math.round(Math.random() * 250),
+                      Math.round(Math.random() * 250)
+                  ].join(',') + ')';
+              }
+          },
+          emphasis: {
+              shadowBlur: 10,
+              shadowColor: '#333'
+          }
+      },
+      data: name.map( node => {return { name: node,
+      value: Math.round(Math.random() * 1000),
+      textStyle: {
+          normal: {},
+          emphasis: {}
+      }
+  }; }
+  )
+  }]
+};
+  }
+  calenderGraph() {
+    let td =new Map();
+    this.tr.forEach( e => {
+        if(!e)return;
+       const str = Format(new Date(e.createTime*1000),'yyyy-MM-dd');
+       if(str in td)
+        td[str]+=1;
+        else 
+        td[str]=1;
+    });
+    let tdata = [];
+    for(let i in td){
+        tdata.push([i,td[i]]);
+    }
     this.tsoption = {
       backgroundColor: '#01193d',
       title: {
@@ -194,134 +273,117 @@ this.goodoption = {
             type: 'effectScatter',
             coordinateSystem: 'calendar',
             symbolSize: (val) => {
-                return val[1] / 40;
+                return val[1];
             },
             showEffectOn: 'render',
             rippleEffect: {
                 brushType: 'stroke'
             },
             hoverAnimation: true,
+            tooltip: {
+                formatter:(param)=>
+                param.data[1] + ' completed transactions created in ' +param.data[0]
+            },
             itemStyle: {
                     color: '#f4e925',
                     shadowBlur: 10,
                     shadowColor: '#333'
             },
-              data: [['2019-01-02', 900], ['2019-01-03', 877], ['2019-01-04', 699], ['2019-01-07', 200], ['2019-01-10', 100],
-              ['2019-01-10', 430], ['2019-02-01', 250], ['2019-02-10', 430],
-              ['2019-03-10', 430], ['2019-04-01', 250], ['2019-05-10', 430],
-              ['2019-08-11', 430], ['2019-07-04', 250], ['2019-03-11', 430],
-              ['2019-09-23', 430], ['2019-06-01', 250], ['2019-12-12', 430]]
+              data: tdata
           }]
         };
   }
-  cld() {
-    this.cldoption = {
-    backgroundColor: '#01193d',
-      title: {
-      text: 'Label WordCloud',
-      left: 'center',
-  },
-  tooltip: {},
-  series: [{
-      type: 'wordCloud',
-      shape: 'circle',
-
-      left: 'center',
-      top: 'center',
-      sizeRange: [12, 30],
-      rotationRange: [-90, 90],
-      rotationStep: 45,
-      gridSize: 8,
-      drawOutOfBound: false,
-      textStyle: {
-          normal: {
-              fontFamily: 'sans-serif',
-              fontWeight: 'bold',
-              color: () => {
-                  // Random color
-                  return 'rgb(' + [
-                      Math.round(Math.random() * 250),
-                      Math.round(Math.random() * 250),
-                      Math.round(Math.random() * 250)
-                  ].join(',') + ')';
+  forceGraph() {
+    let td =new Map();
+    this.tr.forEach( e => {
+        if(!e)return;
+        if(e.category==2)
+        this.is.getBuyInfo(e.infoID).subscribe(info => {
+            const other = info.userID;
+            if(e.userID in td)
+                if(other in td[e.userID])
+                    td[e.userID][td] +=1;
+                else td[e.userID][td] =1;
+            else {
+                td[e.userID] = new Map();
+                td[e.userID][td] = 1;
+            }
+        });
+        if(e.category==1)
+        this.is.getSellInfo(e.infoID).subscribe(info => {
+            const other = info.userID;
+            if(other in td)
+                if(e.userID in td[other])
+                    td[other][e.userID] +=1;
+                else td[other][e.userID] =1;
+            else {
+                td[other] = new Map();
+                td[other][e.userID] = 1;
+            }
+        });
+    });
+    setTimeout(( )=> {
+        const E = [];
+        const V = [];
+        for( let i in td){
+            let sum = 0;
+            for( let j in td[i]){
+                E.push( 
+                    {source: i, target: j
+                    , value: td[i][j], lineStyle: {
+                      width: td[i][j]
+                    }});
+                sum += td[i][j];
+            }
+            V.push({name: i, itemStyle: {
+                color: '#60acfc'
+            }, value : sum, symbolSize: sum*5,
+          draggable: true})
+        }
+        this.fdgoption = {
+        backgroundColor: '#01193d',
+          title: {
+              text: 'Transaction Network',
+              left: 'center',
+          },
+          tooltip: {},
+          animationDurationUpdate: 1500,
+          animationEasingUpdate: 'quinticInOut',
+          series : [
+              {
+                  type: 'graph',
+                  layout: 'force',
+                  data: V, edges: E,
+            label: {
+              emphasis: {
+                  position: 'right',
+                  show: true
               }
           },
-          emphasis: {
-              shadowBlur: 10,
-              shadowColor: '#333'
-          }
-      },
-      data: name.map( node => {return { name: node,
-      value: Math.round(Math.random() * 1000),
-      textStyle: {
-          normal: {},
-          emphasis: {}
-      }
-  }; }
-  )
-  }]
-};
-  }
-  fdg() {
-    const E = name.map(node => {
-      const e = Math.floor(Math.random() * 10);
-      return {source: node, target: name[Math.floor(Math.random() * 27)]
-      , value: e, lineStyle: {
-        width: e * 0.3
-      }};
-  }).filter(node => node.source !== node.target);
-    const V = name.map(node => {
-      const v = E.filter(n => n.source === node || n.target === node ).reduce((total, currentValue, currentIndex, arr) => {
-      return total + currentValue.value;
-  }, 0);
-      return { name: node,
-      itemStyle: {
-        color: '#60acfc'
-      }, value : v, symbolSize: v,
-  draggable: true};
-});
-    this.fdgoption = {
-    backgroundColor: '#01193d',
-      title: {
-          text: 'Transaction Network',
-          left: 'center',
-      },
-      tooltip: {},
-      animationDurationUpdate: 1500,
-      animationEasingUpdate: 'quinticInOut',
-      series : [
-          {
-              type: 'graph',
-              layout: 'force',
-              data: V, edges: E,
-        label: {
-          emphasis: {
-              position: 'right',
-              show: true
-          }
-      },
-      force: {
-        repulsion : 100
-      },
-      roam: true,
-      focusNodeAdjacency: true,
-      lineStyle: {
-          normal: {
-              color :'source',
-              type : 'solid',
-              width: 0.5,
-              curveness: 0.2,
-              opacity: 0.7
+          force: {
+            repulsion : 100
+          },
+          roam: true,
+          focusNodeAdjacency: true,
+          lineStyle: {
+              normal: {
+                  color :'source',
+                  type : 'solid',
+                  width: 0.5,
+                  curveness: 0.2,
+                  opacity: 0.7
+              }
           }
       }
-  }
-          ]
-      };
+              ]
+          };
+
+    },1000)
   }
   fmt(t: Date) {
     return [t.getFullYear(), t.getMonth() + 1, t.getDate()].join('/');
   }
-  lq() {
+  lineGraph() {
     let bd =new Map();
     this.bi.forEach( e => {
         if(!e||e.releaseTime<0)return;
@@ -438,7 +500,7 @@ this.goodoption = {
             name: '出售',
             type: 'line',
             yAxisIndex: 1,
-            symbolSize: 1,
+            symbolSize: 5,
             smooth: true,
             symbol: 'circle',
             sampling: 'average',
diff --git a/admin-frontend/src/app/info.service.ts b/admin-frontend/src/app/info.service.ts
index 7793460..95b9cc9 100644
--- a/admin-frontend/src/app/info.service.ts
+++ b/admin-frontend/src/app/info.service.ts
@@ -27,7 +27,7 @@ export class InfoService {
       this.getSellInfos().subscribe(e=>
         {
         this.si = e.sellInfo;
-      this.getMoreSell(100,false);
+        this.getMoreSell(100,false);
         })
     }
     return this.si;
@@ -49,17 +49,22 @@ export class InfoService {
     if(!(this.bi.length%100) && !dynamic)
       this.getBuyInfos(null,null,null,null,offset).subscribe(
           e => {
+              if(e){
               this.bi=this.bi.concat(e.buyInfo);
-              this.getMoreBuy(offset+100, false);
-          }
+              if(e.buyInfo.length!=100)
+              dynamic =! dynamic;
+            }
+              this.getMoreBuy(offset+100, dynamic);
+            }
       );
       else{
           setTimeout(() => {
               this.getBuyInfos(null,null,null,null,offset).subscribe(
                   e => {
-                      if(e.buyInfo)
+                      if(e)
                       this.bi=this.bi.concat(e.buyInfo);
                       this.getMoreBuy(this.bi.length-1, true);
+                      console.log(this.bi);
           }
       );}, 5000 );
       }
@@ -69,15 +74,19 @@ getMoreSell(offset, dynamic){
     if(!(this.si.length%100) && !dynamic)
       this.getSellInfos(null,null,null,null,offset).subscribe(
           e => {
-              this.si= this.si.concat(e.sellInfo);
-              this.getMoreSell(offset+100, false);
-          }
+              if(e){
+              this.si= this.si.concat(e.sellInfo);   
+              if(e.sellInfo.length!=100)
+                dynamic=!dynamic;
+              }
+              this.getMoreSell(offset+100,dynamic)
+            }
       );
   else{
       setTimeout(() => {
           this.getSellInfos(null,null,null,null,offset).subscribe(
               e => {
-                  if(e.sellInfo)
+                  if(e)
                   this.si=this.si.concat(e.sellInfo);
                   this.getMoreSell(this.si.length-1,true);
       }
@@ -85,7 +94,7 @@ getMoreSell(offset, dynamic){
   }
 }
   /** GET info by id. Will 404 if id not found */
-  getSellInfo(id: string): Observable<sellInfo> {
+  getSellInfo(id: number): Observable<sellInfo> {
     const url = `${this.sellinfoUrl}/${id}`;
     return this.http.get<sellInfo>(url).pipe(
       catchError(this.handleError<sellInfo>(`getInfo id=${id}`))
@@ -128,7 +137,7 @@ getMoreSell(offset, dynamic){
   }
 
   /** GET info by id. Will 404 if id not found */
-  getBuyInfo(id: string): Observable<buyInfo> {
+  getBuyInfo(id: number): Observable<buyInfo> {
     const url = `${this.buyinfoUrl}/${id}`;
     return this.http.get<buyInfo>(url).pipe(
       catchError(this.handleError<buyInfo>(`getBuy id=${id}`))
diff --git a/admin-frontend/src/app/infodetail/infodetail.component.ts b/admin-frontend/src/app/infodetail/infodetail.component.ts
index 918ff29..0b9f46a 100644
--- a/admin-frontend/src/app/infodetail/infodetail.component.ts
+++ b/admin-frontend/src/app/infodetail/infodetail.component.ts
@@ -54,7 +54,7 @@ stringToDate(params) {
     this.location.back();
   }
     getinfo(): void {
-    const id = this.route.snapshot.paramMap.get('id');
+    const id = parseInt(this.route.snapshot.paramMap.get('id'));
     if(this.type === 'sellInfo')
     this.infoService.getSellInfo(id)
       .subscribe(info => {

From 50066471a6095be57065b8e69e3a85815640d200 Mon Sep 17 00:00:00 2001
From: MXWXZ <me@imwxz.com>
Date: Thu, 1 Aug 2019 09:57:49 +0800
Subject: [PATCH 09/12] code clean

---
 backend/api/auth/main.go                |   4 +-
 backend/api/avatar/main.go              |  22 +--
 backend/api/buyinfo/main.go             |   6 +-
 backend/api/content/main.go             |  22 +--
 backend/api/file/main.go                |   4 +-
 backend/api/sellinfo/main.go            |   6 +-
 backend/api/transaction/main.go         |   6 +-
 backend/api/user/main.go                |   8 +-
 backend/doc/api_data.js                 |  28 +--
 backend/doc/api_data.json               |  28 +--
 backend/doc/api_project.js              |   2 +-
 backend/doc/api_project.json            |   2 +-
 backend/srv/auth/main.go                |   6 +-
 backend/srv/avatar/main.go              |  11 +-
 backend/srv/buyinfo/main.go             |  27 +--
 backend/srv/content/main.go             | 166 +++++++----------
 backend/srv/content/mock/mock.go        |   6 +
 backend/srv/content/proto/content.pb.go | 233 +++++++++---------------
 backend/srv/content/proto/content.proto |  25 +--
 backend/srv/file/main.go                |   8 +-
 backend/srv/sellinfo/main.go            |  27 +--
 backend/srv/transaction/main.go         |  10 +-
 backend/srv/user/main.go                |  10 +-
 backend/utils/function.go               |   2 +
 24 files changed, 287 insertions(+), 382 deletions(-)

diff --git a/backend/api/auth/main.go b/backend/api/auth/main.go
index 09cadf4..ab0bcd7 100644
--- a/backend/api/auth/main.go
+++ b/backend/api/auth/main.go
@@ -69,7 +69,7 @@ func getAuth(c *gin.Context) {
 			rsp, err := srv.Auth(context.TODO(), &auth.AuthRequest{
 				Code: code.Code,
 			})
-			if utils.LogContinue(err, utils.Warning, "Auth service error: %v", err) {
+			if utils.LogContinue(err, utils.Error) {
 				c.JSON(500, err)
 				return
 			}
@@ -81,7 +81,7 @@ func getAuth(c *gin.Context) {
 					StudentID:   rsp.StudentID,
 					StudentName: rsp.StudentName,
 				})
-				if utils.LogContinue(err, utils.Warning, "User service error: %v", err) {
+				if utils.LogContinue(err, utils.Error) {
 					c.JSON(500, err)
 					return
 				}
diff --git a/backend/api/avatar/main.go b/backend/api/avatar/main.go
index 73fc630..3ea3b9e 100644
--- a/backend/api/avatar/main.go
+++ b/backend/api/avatar/main.go
@@ -35,40 +35,26 @@ func addAvatar(c *gin.Context) {
 	}
 	var p param
 
-	file, err := c.FormFile("file")
+	data, code, err := utils.GetQueryFile(c, "file", 1024*1024*5) // 5M
 	if err == nil && !utils.LogContinue(c.ShouldBind(&p), utils.Warning) {
-		if file.Size > 1024*1024*5 { // 5M
-			c.AbortWithStatus(413)
+		if code != 200 {
+			c.AbortWithStatus(code)
 			return
 		}
 
 		role := utils.GetRoleID(c, p.UserID)
-
 		if !role.Self && !role.Admin {
 			c.AbortWithStatus(403)
 			return
 		}
 
-		f, err := file.Open()
-		if utils.LogContinue(err, utils.Warning) {
-			c.JSON(500, err)
-			return
-		}
-		defer f.Close()
-		data := make([]byte, file.Size)
-		_, err = f.Read(data)
-		if utils.LogContinue(err, utils.Warning) {
-			c.JSON(500, err)
-			return
-		}
-
 		srv := utils.CallMicroService("avatar", func(name string, c client.Client) interface{} { return avatar.NewAvatarService(name, c) },
 			func() interface{} { return mock.NewAvatarService() }).(avatar.AvatarService)
 		rsp, err := srv.Create(context.TODO(), &avatar.AvatarCreateRequest{
 			UserID: p.UserID,
 			File:   data,
 		})
-		if utils.LogContinue(err, utils.Warning, "Avatar service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
diff --git a/backend/api/buyinfo/main.go b/backend/api/buyinfo/main.go
index 99b3fda..e068935 100644
--- a/backend/api/buyinfo/main.go
+++ b/backend/api/buyinfo/main.go
@@ -48,7 +48,7 @@ func getBuyInfo(c *gin.Context) {
 		rsp, err := srv.Query(context.TODO(), &buyinfo.BuyInfoQueryRequest{
 			BuyInfoID: p.BuyInfoID,
 		})
-		if utils.LogContinue(err, utils.Warning, "BuyInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -107,7 +107,7 @@ func addBuyInfo(c *gin.Context) {
 			UserID:       p.UserID,
 			Tags:         p.Tags,
 		})
-		if utils.LogContinue(err, utils.Warning, "BuyInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -154,7 +154,7 @@ func findBuyInfo(c *gin.Context) {
 			Limit:     p.Limit,
 			Offset:    p.Offset,
 		})
-		if utils.LogContinue(err, utils.Warning, "BuyInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
diff --git a/backend/api/content/main.go b/backend/api/content/main.go
index f158a2a..922b6fc 100644
--- a/backend/api/content/main.go
+++ b/backend/api/content/main.go
@@ -72,9 +72,9 @@ func addContent(c *gin.Context) {
 			ContentID:    p.ContentID,
 			ContentToken: p.ContentToken,
 			Content:      data,
-			Type:         content.ContentCreateRequest_Type(p.Type),
+			Type:         content.Type(p.Type),
 		})
-		if utils.LogContinue(err, utils.Warning, "Content service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -116,7 +116,7 @@ func deleteContent(c *gin.Context) {
 			ContentID:    p.ContentID,
 			ContentToken: p.ContentToken,
 		})
-		if utils.LogContinue(err, utils.Warning, "Content service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -141,11 +141,10 @@ func deleteContent(c *gin.Context) {
  */
 func updateContent(c *gin.Context) {
 	type param struct {
-		ContentID    string   `form:"contentID" binding:"required"`
-		ContentToken string   `form:"contentToken" binding:"required"`
-		FileID       string   `form:"fileID" binding:"required"`
-		Type         int32    `form:"type"`
-		Tags         []string `form:"tags" binding:"required"`
+		ContentID    string `form:"contentID" binding:"required"`
+		ContentToken string `form:"contentToken" binding:"required"`
+		FileID       string `form:"fileID" binding:"required"`
+		Type         int32  `form:"type"`
 	}
 	var p param
 	role := utils.GetRole(c)
@@ -173,10 +172,9 @@ func updateContent(c *gin.Context) {
 			ContentToken: p.ContentToken,
 			FileID:       p.FileID,
 			Content:      data,
-			Type:         content.ContentUpdateRequest_Type(p.Type),
-			Tags:         p.Tags,
+			Type:         content.Type(p.Type),
 		})
-		if utils.LogContinue(err, utils.Warning, "Content service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -222,7 +220,7 @@ func getContent(c *gin.Context) {
 		rsp, err := srv.Query(context.TODO(), &content.ContentQueryRequest{
 			ContentID: p.ContentID,
 		})
-		if utils.LogContinue(err, utils.Warning, "Content service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
diff --git a/backend/api/file/main.go b/backend/api/file/main.go
index 4720e7c..65d1ad3 100644
--- a/backend/api/file/main.go
+++ b/backend/api/file/main.go
@@ -50,7 +50,7 @@ func getFile(c *gin.Context) {
 		rsp, err := srv.Query(context.TODO(), &file.FileRequest{
 			FileID: p.FileID,
 		})
-		if utils.LogContinue(err, utils.Warning, "File service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -58,7 +58,7 @@ func getFile(c *gin.Context) {
 		if rsp.Status == file.FileQueryResponse_SUCCESS {
 			if filetype.IsImage(rsp.File) || filetype.IsAudio(rsp.File) || filetype.IsVideo(rsp.File) {
 				t, err := filetype.Match(rsp.File)
-				if utils.LogContinue(err, utils.Warning, "File format error: %v", err) {
+				if utils.LogContinue(err, utils.Error) {
 					c.JSON(500, err)
 					return
 				}
diff --git a/backend/api/sellinfo/main.go b/backend/api/sellinfo/main.go
index 28f698d..1ae08dc 100644
--- a/backend/api/sellinfo/main.go
+++ b/backend/api/sellinfo/main.go
@@ -48,7 +48,7 @@ func getSellInfo(c *gin.Context) {
 		rsp, err := srv.Query(context.TODO(), &sellinfo.SellInfoQueryRequest{
 			SellInfoID: p.SellInfoID,
 		})
-		if utils.LogContinue(err, utils.Warning, "SellInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -107,7 +107,7 @@ func addSellInfo(c *gin.Context) {
 			UserID:       p.UserID,
 			Tags:         p.Tags,
 		})
-		if utils.LogContinue(err, utils.Warning, "SellInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -154,7 +154,7 @@ func findSellInfo(c *gin.Context) {
 			Limit:     p.Limit,
 			Offset:    p.Offset,
 		})
-		if utils.LogContinue(err, utils.Warning, "SellInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
diff --git a/backend/api/transaction/main.go b/backend/api/transaction/main.go
index 41f4e08..5540ae4 100644
--- a/backend/api/transaction/main.go
+++ b/backend/api/transaction/main.go
@@ -73,7 +73,7 @@ func findTransaction(c *gin.Context) {
 			Limit:          p.Limit,
 			Offset:         p.Offset,
 		})
-		if utils.LogContinue(err, utils.Warning, "Transaction service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -117,7 +117,7 @@ func addTransaction(c *gin.Context) {
 			Category:   p.Category,
 			FromUserID: p.FromUserID,
 		})
-		if utils.LogContinue(err, utils.Warning, "Transaction service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -159,7 +159,7 @@ func updateTransaction(c *gin.Context) {
 			TransactionID: p.TransactionID,
 			Status:        p.Status,
 		})
-		if utils.LogContinue(err, utils.Warning, "Transaction service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
diff --git a/backend/api/user/main.go b/backend/api/user/main.go
index 0225e1b..a8ba1c7 100644
--- a/backend/api/user/main.go
+++ b/backend/api/user/main.go
@@ -53,7 +53,7 @@ func getUserInfo(c *gin.Context) {
 		rsp, err := srv.Query(context.TODO(), &user.UserQueryRequest{
 			UserID: p.UserID,
 		})
-		if utils.LogContinue(err, utils.Warning, "User service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -103,7 +103,7 @@ func findUser(c *gin.Context) {
 			Limit:    p.Limit,
 			Offset:   p.Offset,
 		})
-		if utils.LogContinue(err, utils.Warning, "User service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -151,7 +151,7 @@ func addUser(c *gin.Context) {
 			StudentID:   p.StudentID,
 			StudentName: p.StudentName,
 		})
-		if utils.LogContinue(err, utils.Warning, "User service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
@@ -214,7 +214,7 @@ func updateUser(c *gin.Context) {
 			Role:        user.UserInfo_Role(p.Role),
 			ClearEmpty:  p.ClearEmpty,
 		})
-		if utils.LogContinue(err, utils.Warning, "User service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
 			return
 		}
diff --git a/backend/doc/api_data.js b/backend/doc/api_data.js
index 163776f..a3bbd2d 100644
--- a/backend/doc/api_data.js
+++ b/backend/doc/api_data.js
@@ -1511,6 +1511,13 @@ define({ "api": [
             "optional": false,
             "field": "contentToken",
             "description": "<p>content token</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "string",
+            "optional": true,
+            "field": "fileID",
+            "description": "<p>24 bytes file id, if not empty only delete this file</p>"
           }
         ]
       }
@@ -1648,23 +1655,16 @@ define({ "api": [
           {
             "group": "Parameter",
             "type": "bytes",
-            "optional": true,
+            "optional": false,
             "field": "content",
-            "description": "<p>binary bytes, file accept <a href=\"https://github.com/h2non/filetype#image\">image</a> and <a href=\"https://github.com/h2non/filetype#video\">video</a> (note: only delete the file if empty)</p>"
+            "description": "<p>binary bytes, file accept <a href=\"https://github.com/h2non/filetype#image\">image</a> and <a href=\"https://github.com/h2non/filetype#video\">video</a></p>"
           },
           {
             "group": "Parameter",
             "type": "int32",
-            "optional": true,
-            "field": "type",
-            "description": "<p>1 for picture <br> 2 for video (note: only delete the file if empty)</p>"
-          },
-          {
-            "group": "Parameter",
-            "type": "array",
             "optional": false,
-            "field": "tags",
-            "description": "<p>string array tags, simply overwrite original tags, clear if empty</p>"
+            "field": "type",
+            "description": "<p>1 for picture <br> 2 for video</p>"
           }
         ]
       }
@@ -1677,14 +1677,14 @@ define({ "api": [
             "type": "int32",
             "optional": false,
             "field": "status",
-            "description": "<p>-1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 3 for not found <br> 4 for failed <br> 5 for invalid type</p>"
+            "description": "<p>-1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 3 for not found <br> 4 for invalid type</p>"
           },
           {
             "group": "Success 200",
             "type": "string",
-            "optional": true,
+            "optional": false,
             "field": "fileID",
-            "description": "<p>24 bytes updated file id (note: new file id differs from old one, meaningful only if content and type are not empty)</p>"
+            "description": "<p>24 bytes updated file id</p>"
           }
         ]
       }
diff --git a/backend/doc/api_data.json b/backend/doc/api_data.json
index 94a1810..cdabd22 100644
--- a/backend/doc/api_data.json
+++ b/backend/doc/api_data.json
@@ -1511,6 +1511,13 @@
             "optional": false,
             "field": "contentToken",
             "description": "<p>content token</p>"
+          },
+          {
+            "group": "Parameter",
+            "type": "string",
+            "optional": true,
+            "field": "fileID",
+            "description": "<p>24 bytes file id, if not empty only delete this file</p>"
           }
         ]
       }
@@ -1648,23 +1655,16 @@
           {
             "group": "Parameter",
             "type": "bytes",
-            "optional": true,
+            "optional": false,
             "field": "content",
-            "description": "<p>binary bytes, file accept <a href=\"https://github.com/h2non/filetype#image\">image</a> and <a href=\"https://github.com/h2non/filetype#video\">video</a> (note: only delete the file if empty)</p>"
+            "description": "<p>binary bytes, file accept <a href=\"https://github.com/h2non/filetype#image\">image</a> and <a href=\"https://github.com/h2non/filetype#video\">video</a></p>"
           },
           {
             "group": "Parameter",
             "type": "int32",
-            "optional": true,
-            "field": "type",
-            "description": "<p>1 for picture <br> 2 for video (note: only delete the file if empty)</p>"
-          },
-          {
-            "group": "Parameter",
-            "type": "array",
             "optional": false,
-            "field": "tags",
-            "description": "<p>string array tags, simply overwrite original tags, clear if empty</p>"
+            "field": "type",
+            "description": "<p>1 for picture <br> 2 for video</p>"
           }
         ]
       }
@@ -1677,14 +1677,14 @@
             "type": "int32",
             "optional": false,
             "field": "status",
-            "description": "<p>-1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 3 for not found <br> 4 for failed <br> 5 for invalid type</p>"
+            "description": "<p>-1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 3 for not found <br> 4 for invalid type</p>"
           },
           {
             "group": "Success 200",
             "type": "string",
-            "optional": true,
+            "optional": false,
             "field": "fileID",
-            "description": "<p>24 bytes updated file id (note: new file id differs from old one, meaningful only if content and type are not empty)</p>"
+            "description": "<p>24 bytes updated file id</p>"
           }
         ]
       }
diff --git a/backend/doc/api_project.js b/backend/doc/api_project.js
index 106cb34..41f13ee 100644
--- a/backend/doc/api_project.js
+++ b/backend/doc/api_project.js
@@ -20,7 +20,7 @@ define({
   "apidoc": "0.3.0",
   "generator": {
     "name": "apidoc",
-    "time": "2019-07-30T09:08:33.007Z",
+    "time": "2019-08-01T01:55:10.521Z",
     "url": "http://apidocjs.com",
     "version": "0.17.7"
   }
diff --git a/backend/doc/api_project.json b/backend/doc/api_project.json
index 8c6c1e6..c52a973 100644
--- a/backend/doc/api_project.json
+++ b/backend/doc/api_project.json
@@ -20,7 +20,7 @@
   "apidoc": "0.3.0",
   "generator": {
     "name": "apidoc",
-    "time": "2019-07-30T09:08:33.007Z",
+    "time": "2019-08-01T01:55:10.521Z",
     "url": "http://apidocjs.com",
     "version": "0.17.7"
   }
diff --git a/backend/srv/auth/main.go b/backend/srv/auth/main.go
index 23c9109..e88986c 100644
--- a/backend/srv/auth/main.go
+++ b/backend/srv/auth/main.go
@@ -47,19 +47,19 @@ func (a *srv) Auth(ctx context.Context, req *auth.AuthRequest, rsp *auth.AuthRes
 		}
 		client := &http.Client{Transport: tr}
 		resp, err := client.PostForm(utils.GetStringConfig("sys_config", "token_url"), params)
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 		defer resp.Body.Close()
 
 		body, err := ioutil.ReadAll(resp.Body)
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 
 		id := idToken{}
 		err = json.Unmarshal(body, &id)
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 
diff --git a/backend/srv/avatar/main.go b/backend/srv/avatar/main.go
index 1f3ca74..0940e25 100644
--- a/backend/srv/avatar/main.go
+++ b/backend/srv/avatar/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"errors"
 	db "jiaojiao/database"
 	avatar "jiaojiao/srv/avatar/proto"
 	"jiaojiao/srv/file/mock"
@@ -46,7 +47,7 @@ func (a *srv) Create(ctx context.Context, req *avatar.AvatarCreateRequest, rsp *
 	if gorm.IsRecordNotFoundError(err) {
 		rsp.Status = avatar.AvatarCreateResponse_NOT_FOUND
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
@@ -55,13 +56,17 @@ func (a *srv) Create(ctx context.Context, req *avatar.AvatarCreateRequest, rsp *
 	microRsp, err := srv.Create(context.TODO(), &file.FileCreateRequest{
 		File: req.File,
 	})
-	if utils.LogContinue(err, utils.Warning, "File service error: %v", err) || microRsp.Status != file.FileCreateResponse_SUCCESS {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
+	if microRsp.Status != file.FileCreateResponse_SUCCESS {
+		_, s := utils.LogContinueS("File create return "+microRsp.Status.String(), utils.Error)
+		return errors.New(s)
+	}
 
 	usr.AvatarID = microRsp.FileID
 	err = db.Ormer.Save(&usr).Error
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
diff --git a/backend/srv/buyinfo/main.go b/backend/srv/buyinfo/main.go
index 34fe530..5b46777 100644
--- a/backend/srv/buyinfo/main.go
+++ b/backend/srv/buyinfo/main.go
@@ -45,7 +45,7 @@ func (a *srv) Query(ctx context.Context, req *buyinfo.BuyInfoQueryRequest, rsp *
 	err := db.Ormer.First(&info).Error
 	if gorm.IsRecordNotFoundError(err) {
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	good := db.Good{
@@ -54,7 +54,7 @@ func (a *srv) Query(ctx context.Context, req *buyinfo.BuyInfoQueryRequest, rsp *
 	err = db.Ormer.First(&good).Error
 	if gorm.IsRecordNotFoundError(err) {
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
@@ -108,23 +108,23 @@ func (a *srv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest, rsp
 
 	insert := func() (int32, error) {
 		tx := db.Ormer.Begin()
-		if utils.LogContinue(tx.Error, utils.Warning) {
+		if tx.Error != nil {
 			return 0, tx.Error
 		}
 		err := tx.Create(&good).Error
-		if utils.LogContinue(err, utils.Warning) {
+		if err != nil {
 			tx.Rollback()
 			return 0, err
 		}
 		info.GoodID = good.ID
 		err = tx.Create(&info).Error
-		if utils.LogContinue(err, utils.Warning) {
+		if err != nil {
 			tx.Rollback()
 			return 0, err
 		}
 
 		err = tx.Commit().Error
-		if utils.LogContinue(err, utils.Warning) {
+		if err != nil {
 			tx.Rollback()
 			return 0, err
 		}
@@ -139,7 +139,10 @@ func (a *srv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest, rsp
 			ContentToken: req.ContentToken,
 			Tags:         req.Tags,
 		})
-		if err != nil || microRsp.Status != content.ContentCreateTagResponse_SUCCESS {
+		if utils.LogContinue(err, utils.Error) {
+			return err
+		}
+		if microRsp.Status != content.ContentCreateTagResponse_SUCCESS {
 			rsp.Status = buyinfo.BuyInfoCreateResponse_INVALID_TOKEN
 			return nil
 		}
@@ -149,8 +152,8 @@ func (a *srv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest, rsp
 
 	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) {
 		id, err := insert()
-		if err != nil || id == 0 {
-			return nil
+		if utils.LogContinue(err, utils.Error) || id == 0 {
+			return err
 		}
 		rsp.Status = buyinfo.BuyInfoCreateResponse_SUCCESS
 		rsp.BuyInfoID = id
@@ -166,8 +169,8 @@ func (a *srv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest, rsp
 
 		good.ContentID = req.ContentID
 		id, err := insert()
-		if err != nil || id == 0 {
-			return nil
+		if utils.LogContinue(err, utils.Error) || id == 0 {
+			return err
 		}
 		rsp.Status = buyinfo.BuyInfoCreateResponse_SUCCESS
 		rsp.BuyInfoID = id
@@ -240,7 +243,7 @@ func (a *srv) Find(ctx context.Context, req *buyinfo.BuyInfoFindRequest, rsp *bu
 	}
 
 	err := tb.Limit(req.Limit).Offset(req.Offset).Find(&res).Error
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	for _, v := range res {
diff --git a/backend/srv/content/main.go b/backend/srv/content/main.go
index 1a47c2a..08b6520 100644
--- a/backend/srv/content/main.go
+++ b/backend/srv/content/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"errors"
 	db "jiaojiao/database"
 	content "jiaojiao/srv/content/proto"
 	"jiaojiao/srv/file/mock"
@@ -44,12 +45,16 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 		rsp, err := srv.Create(context.TODO(), &file.FileCreateRequest{
 			File: req.Content,
 		})
-		if utils.LogContinue(err, utils.Warning, "File service error: %v", err) || rsp.Status != file.FileCreateResponse_SUCCESS {
+		if err != nil {
 			return primitive.ObjectID{}, err
 		}
+		if rsp.Status != file.FileCreateResponse_SUCCESS {
+			_, s := utils.LogContinueS("File create return "+rsp.Status.String(), utils.Error)
+			return primitive.ObjectID{}, errors.New(s)
+		}
 
 		fid, err := primitive.ObjectIDFromHex(rsp.FileID)
-		if utils.LogContinue(err, utils.Warning, "File service error: %v", err) {
+		if err != nil {
 			return primitive.ObjectID{}, err
 		}
 
@@ -69,7 +74,7 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 
 	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) { // create new
 		objID, err := upload()
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 
@@ -85,7 +90,7 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 					"type":   req.Type,
 				}},
 		})
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 
@@ -100,18 +105,14 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 		}
 
 		objID, err := upload()
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 
 		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 		defer cancel()
 		collection := db.MongoDatabase.Collection("sellinfo")
-		rid, err := primitive.ObjectIDFromHex(req.ContentID)
-		if utils.LogContinue(err, utils.Warning) {
-			rsp.Status = content.ContentCreateResponse_INVALID_TOKEN
-			return nil
-		}
+		rid, _ := primitive.ObjectIDFromHex(req.ContentID)
 		_, err = collection.UpdateOne(ctx, bson.D{
 			{"_id", rid},
 			{"token", req.ContentToken},
@@ -123,7 +124,7 @@ func (a *srv) Create(ctx context.Context, req *content.ContentCreateRequest, rsp
 						{"type", req.Type},
 					}},
 				}}})
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 		rsp.ContentID = req.ContentID
@@ -167,7 +168,7 @@ func (a *srv) CreateTag(ctx context.Context, req *content.ContentCreateTagReques
 			"token": token,
 			"tags":  req.Tags,
 		})
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 
@@ -193,11 +194,11 @@ func (a *srv) CreateTag(ctx context.Context, req *content.ContentCreateTagReques
 			{"token", req.ContentToken},
 		},
 			bson.D{
-				{"$setOnInsert", bson.D{
+				{"$set", bson.D{
 					{"tags", req.Tags},
 				}},
 			})
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 		rsp.ContentID = req.ContentID
@@ -219,16 +220,15 @@ func (a *srv) CreateTag(ctx context.Context, req *content.ContentCreateTagReques
  * @apiParam {string} contentID 24 bytes content id
  * @apiParam {string} contentToken content token
  * @apiParam {string} fileID 24 bytes file id
- * @apiParam {bytes} [content] binary bytes, file accept [image](https://github.com/h2non/filetype#image)
- *                             and [video](https://github.com/h2non/filetype#video) (note: only delete the file if empty)
- * @apiParam {int32} [type] 1 for picture <br> 2 for video (note: only delete the file if empty)
- * @apiParam {array} tags string array tags, simply overwrite original tags, clear if empty
- * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 3 for not found <br> 4 for failed <br> 5 for invalid type
- * @apiSuccess {string} [fileID] 24 bytes updated file id (note: new file id differs from old one, meaningful only if content and type are not empty)
+ * @apiParam {bytes} content binary bytes, file accept [image](https://github.com/h2non/filetype#image)
+ *                             and [video](https://github.com/h2non/filetype#video)
+ * @apiParam {int32} type 1 for picture <br> 2 for video
+ * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token <br> 3 for not found <br> 4 for invalid type
+ * @apiSuccess {string} fileID 24 bytes updated file id
  * @apiUse DBServerDown
  */
 func (a *srv) Update(ctx context.Context, req *content.ContentUpdateRequest, rsp *content.ContentUpdateResponse) error {
-	if !utils.RequireParam(req.ContentID, req.ContentToken) {
+	if !utils.RequireParam(req.ContentID, req.ContentToken, req.FileID, req.Content, req.Type) {
 		rsp.Status = content.ContentUpdateResponse_INVALID_PARAM
 		return nil
 	}
@@ -239,97 +239,62 @@ func (a *srv) Update(ctx context.Context, req *content.ContentUpdateRequest, rsp
 		return nil
 	}
 
-	//prepare
+	// check id
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 	collection := db.MongoDatabase.Collection("sellinfo")
-	rid, err := primitive.ObjectIDFromHex(req.ContentID)
-	if utils.LogContinue(err, utils.Warning) {
-		rsp.Status = content.ContentUpdateResponse_INVALID_TOKEN
-		return nil
-	}
-
-	fid, err := primitive.ObjectIDFromHex(req.FileID)
+	rid, _ := primitive.ObjectIDFromHex(req.ContentID)
+	oldFid, err := primitive.ObjectIDFromHex(req.FileID)
 	if utils.LogContinue(err, utils.Warning) {
 		rsp.Status = content.ContentUpdateResponse_NOT_FOUND
 		return nil
 	}
 
-	if utils.RequireParam(req.FileID) {
-		//delete old file
-		_, err = collection.UpdateOne(ctx, bson.D{
-			{"_id", rid},
-			{"token", req.ContentToken},
-		}, bson.D{
-			{"$pull", bson.D{
-				{"files", bson.D{
-					{"fileID", fid},
-				}},
-			}},
-		})
-		if utils.LogContinue(err, utils.Warning) {
-			rsp.Status = content.ContentUpdateResponse_NOT_FOUND
-			return nil
-		}
-
-		srv := utils.CallMicroService("file", func(name string, c client.Client) interface{} { return file.NewFileService(name, c) },
-			func() interface{} { return mock.NewFileService() }).(file.FileService)
-		microDeleteRsp, err := srv.Delete(context.TODO(), &file.FileRequest{
-			FileID: req.FileID,
-		})
-		if utils.LogContinue(err, utils.Warning) || microDeleteRsp.Status != file.FileDeleteResponse_SUCCESS {
-			rsp.Status = content.ContentUpdateResponse_NOT_FOUND
-			return nil
-		}
-
-		//add new file
-		if utils.RequireParam(req.Content, req.Type) {
-			microCreateRsp, err := srv.Create(context.TODO(), &file.FileCreateRequest{
-				File: req.Content,
-			})
-			if utils.LogContinue(err, utils.Warning) || microDeleteRsp.Status != file.FileDeleteResponse_SUCCESS {
-				rsp.Status = content.ContentUpdateResponse_FAILED
-				return nil
-			}
-			fid, err = primitive.ObjectIDFromHex(microCreateRsp.FileID)
-			if utils.LogContinue(err, utils.Warning) {
-				rsp.Status = content.ContentUpdateResponse_FAILED
-				return nil
-			}
-
-			_, err = collection.UpdateOne(ctx, bson.D{
-				{"_id", rid},
-				{"token", req.ContentToken},
-			}, bson.D{
-				{"$push", bson.D{
-					{"files", bson.D{
-						{"fileID", fid},
-						{"type", req.Type},
-					}},
-				}},
-			})
-			if utils.LogContinue(err, utils.Warning) {
-				rsp.Status = content.ContentUpdateResponse_FAILED
-				return nil
-			}
-			rsp.FileID = microCreateRsp.FileID
-		}
+	// add new file
+	srv := utils.CallMicroService("file", func(name string, c client.Client) interface{} { return file.NewFileService(name, c) },
+		func() interface{} { return mock.NewFileService() }).(file.FileService)
+	microCreateRsp, err := srv.Create(context.TODO(), &file.FileCreateRequest{
+		File: req.Content,
+	})
+	if utils.LogContinue(err, utils.Error) {
+		return err
+	}
+	if microCreateRsp.Status != file.FileCreateResponse_SUCCESS {
+		_, s := utils.LogContinueS("File create return "+microCreateRsp.Status.String(), utils.Error)
+		return errors.New(s)
+	}
+	fid, err := primitive.ObjectIDFromHex(microCreateRsp.FileID)
+	if utils.LogContinue(err, utils.Error) {
+		return err
 	}
 
-	//update tags
 	_, err = collection.UpdateOne(ctx, bson.D{
 		{"_id", rid},
 		{"token", req.ContentToken},
+		{"files.fileID", oldFid},
 	}, bson.D{
 		{"$set", bson.D{
-			{"tags", req.Tags},
+			{"files.$.fileID", fid},
+			{"files.$.type", req.Type},
 		}},
 	})
-	if utils.LogContinue(err, utils.Warning) {
-		rsp.Status = content.ContentUpdateResponse_FAILED
-		return nil
+	if utils.LogContinue(err, utils.Error) {
+		return err
+	}
+
+	// delete old file
+	microDeleteRsp, err := srv.Delete(context.TODO(), &file.FileRequest{
+		FileID: req.FileID,
+	})
+	if utils.LogContinue(err, utils.Error) {
+		return err
+	}
+	if microDeleteRsp.Status != file.FileDeleteResponse_SUCCESS {
+		_, s := utils.LogContinueS("File delete return "+microDeleteRsp.Status.String(), utils.Error)
+		return errors.New(s)
 	}
 
+	rsp.FileID = microCreateRsp.FileID
 	rsp.Status = content.ContentUpdateResponse_SUCCESS
 	return nil
 }
@@ -343,6 +308,7 @@ func (a *srv) Update(ctx context.Context, req *content.ContentUpdateRequest, rsp
  *
  * @apiParam {string} contentID 24 bytes content id
  * @apiParam {string} contentToken content token
+ * @apiParam {string} [fileID] 24 bytes file id, if not empty only delete this file
  * @apiSuccess {int32} status -1 for invalid param <br> 1 for success <br> 2 for invalid token
  * @apiUse DBServerDown
  */
@@ -352,8 +318,8 @@ func (a *srv) Delete(ctx context.Context, req *content.ContentDeleteRequest, rsp
 		return nil
 	}
 	type files struct {
-		FileID primitive.ObjectID                `bson:"fileID"`
-		Type   content.ContentCreateRequest_Type `bson:"type"`
+		FileID primitive.ObjectID `bson:"fileID"`
+		Type   content.Type       `bson:"type"`
 	}
 	type result struct {
 		ID    primitive.ObjectID `bson:"_id"`
@@ -384,9 +350,13 @@ func (a *srv) Delete(ctx context.Context, req *content.ContentDeleteRequest, rsp
 		microRsp, err := srv.Delete(context.TODO(), &file.FileRequest{
 			FileID: v.FileID.Hex(),
 		})
-		if utils.LogContinue(err, utils.Warning, "File service error: %v", err) || microRsp.Status != file.FileDeleteResponse_SUCCESS {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
+		if microRsp.Status != file.FileDeleteResponse_SUCCESS {
+			_, s := utils.LogContinueS("File delete return "+microRsp.Status.String(), utils.Error)
+			return errors.New(s)
+		}
 	}
 	rsp.Status = content.ContentDeleteResponse_SUCCESS
 	return nil
@@ -412,8 +382,8 @@ func (a *srv) Query(ctx context.Context, req *content.ContentQueryRequest, rsp *
 		return nil
 	}
 	type files struct {
-		FileID primitive.ObjectID   `bson:"fileID"`
-		Type   content.FileMsg_Type `bson:"type"`
+		FileID primitive.ObjectID `bson:"fileID"`
+		Type   content.Type       `bson:"type"`
 	}
 	type result struct {
 		ID    primitive.ObjectID `bson:"_id"`
diff --git a/backend/srv/content/mock/mock.go b/backend/srv/content/mock/mock.go
index 1af7804..109c9c4 100644
--- a/backend/srv/content/mock/mock.go
+++ b/backend/srv/content/mock/mock.go
@@ -79,6 +79,12 @@ func (a *mockSrv) Delete(ctx context.Context, req *content.ContentDeleteRequest,
 	return &rsp, nil
 }
 
+// CreateTag is tag create mock
+func (a *mockSrv) CreateTag(ctx context.Context, req *content.ContentCreateTagRequest, opts ...client.CallOption) (*content.ContentCreateTagResponse, error) {
+	// TODO
+	return nil, nil
+}
+
 // NewContentService is content service mock
 func NewContentService() content.ContentService {
 	return new(mockSrv)
diff --git a/backend/srv/content/proto/content.pb.go b/backend/srv/content/proto/content.pb.go
index f4101d2..b6fea8e 100644
--- a/backend/srv/content/proto/content.pb.go
+++ b/backend/srv/content/proto/content.pb.go
@@ -20,32 +20,32 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
-type ContentCreateRequest_Type int32
+type Type int32
 
 const (
-	ContentCreateRequest_UNKNOWN ContentCreateRequest_Type = 0
-	ContentCreateRequest_PICTURE ContentCreateRequest_Type = 1
-	ContentCreateRequest_VIDEO   ContentCreateRequest_Type = 2
+	Type_UNKNOWN Type = 0
+	Type_PICTURE Type = 1
+	Type_VIDEO   Type = 2
 )
 
-var ContentCreateRequest_Type_name = map[int32]string{
+var Type_name = map[int32]string{
 	0: "UNKNOWN",
 	1: "PICTURE",
 	2: "VIDEO",
 }
 
-var ContentCreateRequest_Type_value = map[string]int32{
+var Type_value = map[string]int32{
 	"UNKNOWN": 0,
 	"PICTURE": 1,
 	"VIDEO":   2,
 }
 
-func (x ContentCreateRequest_Type) String() string {
-	return proto.EnumName(ContentCreateRequest_Type_name, int32(x))
+func (x Type) String() string {
+	return proto.EnumName(Type_name, int32(x))
 }
 
-func (ContentCreateRequest_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{0, 0}
+func (Type) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_61cc9617ce0cf609, []int{0}
 }
 
 type ContentCreateResponse_Status int32
@@ -116,34 +116,6 @@ func (ContentCreateTagResponse_Status) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_61cc9617ce0cf609, []int{3, 0}
 }
 
-type ContentUpdateRequest_Type int32
-
-const (
-	ContentUpdateRequest_UNKNOWN ContentUpdateRequest_Type = 0
-	ContentUpdateRequest_PICTURE ContentUpdateRequest_Type = 1
-	ContentUpdateRequest_VIDEO   ContentUpdateRequest_Type = 2
-)
-
-var ContentUpdateRequest_Type_name = map[int32]string{
-	0: "UNKNOWN",
-	1: "PICTURE",
-	2: "VIDEO",
-}
-
-var ContentUpdateRequest_Type_value = map[string]int32{
-	"UNKNOWN": 0,
-	"PICTURE": 1,
-	"VIDEO":   2,
-}
-
-func (x ContentUpdateRequest_Type) String() string {
-	return proto.EnumName(ContentUpdateRequest_Type_name, int32(x))
-}
-
-func (ContentUpdateRequest_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{4, 0}
-}
-
 type ContentUpdateResponse_Status int32
 
 const (
@@ -152,8 +124,7 @@ const (
 	ContentUpdateResponse_SUCCESS       ContentUpdateResponse_Status = 1
 	ContentUpdateResponse_INVALID_TOKEN ContentUpdateResponse_Status = 2
 	ContentUpdateResponse_NOT_FOUND     ContentUpdateResponse_Status = 3
-	ContentUpdateResponse_FAILED        ContentUpdateResponse_Status = 4
-	ContentUpdateResponse_INVALID_TYPE  ContentUpdateResponse_Status = 5
+	ContentUpdateResponse_INVALID_TYPE  ContentUpdateResponse_Status = 4
 )
 
 var ContentUpdateResponse_Status_name = map[int32]string{
@@ -162,8 +133,7 @@ var ContentUpdateResponse_Status_name = map[int32]string{
 	1:  "SUCCESS",
 	2:  "INVALID_TOKEN",
 	3:  "NOT_FOUND",
-	4:  "FAILED",
-	5:  "INVALID_TYPE",
+	4:  "INVALID_TYPE",
 }
 
 var ContentUpdateResponse_Status_value = map[string]int32{
@@ -172,8 +142,7 @@ var ContentUpdateResponse_Status_value = map[string]int32{
 	"SUCCESS":       1,
 	"INVALID_TOKEN": 2,
 	"NOT_FOUND":     3,
-	"FAILED":        4,
-	"INVALID_TYPE":  5,
+	"INVALID_TYPE":  4,
 }
 
 func (x ContentUpdateResponse_Status) String() string {
@@ -191,6 +160,7 @@ const (
 	ContentDeleteResponse_INVALID_PARAM ContentDeleteResponse_Status = -1
 	ContentDeleteResponse_SUCCESS       ContentDeleteResponse_Status = 1
 	ContentDeleteResponse_INVALID_TOKEN ContentDeleteResponse_Status = 2
+	ContentDeleteResponse_NOT_FOUND     ContentDeleteResponse_Status = 3
 )
 
 var ContentDeleteResponse_Status_name = map[int32]string{
@@ -198,6 +168,7 @@ var ContentDeleteResponse_Status_name = map[int32]string{
 	-1: "INVALID_PARAM",
 	1:  "SUCCESS",
 	2:  "INVALID_TOKEN",
+	3:  "NOT_FOUND",
 }
 
 var ContentDeleteResponse_Status_value = map[string]int32{
@@ -205,6 +176,7 @@ var ContentDeleteResponse_Status_value = map[string]int32{
 	"INVALID_PARAM": -1,
 	"SUCCESS":       1,
 	"INVALID_TOKEN": 2,
+	"NOT_FOUND":     3,
 }
 
 func (x ContentDeleteResponse_Status) String() string {
@@ -215,34 +187,6 @@ func (ContentDeleteResponse_Status) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_61cc9617ce0cf609, []int{7, 0}
 }
 
-type FileMsg_Type int32
-
-const (
-	FileMsg_UNKNOWN FileMsg_Type = 0
-	FileMsg_PICTURE FileMsg_Type = 1
-	FileMsg_VIDEO   FileMsg_Type = 2
-)
-
-var FileMsg_Type_name = map[int32]string{
-	0: "UNKNOWN",
-	1: "PICTURE",
-	2: "VIDEO",
-}
-
-var FileMsg_Type_value = map[string]int32{
-	"UNKNOWN": 0,
-	"PICTURE": 1,
-	"VIDEO":   2,
-}
-
-func (x FileMsg_Type) String() string {
-	return proto.EnumName(FileMsg_Type_name, int32(x))
-}
-
-func (FileMsg_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_61cc9617ce0cf609, []int{8, 0}
-}
-
 type ContentQueryResponse_Status int32
 
 const (
@@ -306,13 +250,13 @@ func (ContentCheckResponse_Status) EnumDescriptor() ([]byte, []int) {
 }
 
 type ContentCreateRequest struct {
-	ContentID            string                    `protobuf:"bytes,1,opt,name=contentID,proto3" json:"contentID,omitempty"`
-	ContentToken         string                    `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
-	Content              []byte                    `protobuf:"bytes,3,opt,name=content,proto3" json:"content,omitempty"`
-	Type                 ContentCreateRequest_Type `protobuf:"varint,4,opt,name=type,proto3,enum=ContentCreateRequest_Type" json:"type,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                  `json:"-"`
-	XXX_unrecognized     []byte                    `json:"-"`
-	XXX_sizecache        int32                     `json:"-"`
+	ContentID            string   `protobuf:"bytes,1,opt,name=contentID,proto3" json:"contentID,omitempty"`
+	ContentToken         string   `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
+	Content              []byte   `protobuf:"bytes,3,opt,name=content,proto3" json:"content,omitempty"`
+	Type                 Type     `protobuf:"varint,4,opt,name=type,proto3,enum=Type" json:"type,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *ContentCreateRequest) Reset()         { *m = ContentCreateRequest{} }
@@ -361,11 +305,11 @@ func (m *ContentCreateRequest) GetContent() []byte {
 	return nil
 }
 
-func (m *ContentCreateRequest) GetType() ContentCreateRequest_Type {
+func (m *ContentCreateRequest) GetType() Type {
 	if m != nil {
 		return m.Type
 	}
-	return ContentCreateRequest_UNKNOWN
+	return Type_UNKNOWN
 }
 
 type ContentCreateResponse struct {
@@ -542,15 +486,15 @@ func (m *ContentCreateTagResponse) GetContentToken() string {
 }
 
 type ContentUpdateRequest struct {
-	ContentID            string                    `protobuf:"bytes,1,opt,name=contentID,proto3" json:"contentID,omitempty"`
-	ContentToken         string                    `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
-	FileID               string                    `protobuf:"bytes,3,opt,name=fileID,proto3" json:"fileID,omitempty"`
-	Content              []byte                    `protobuf:"bytes,4,opt,name=content,proto3" json:"content,omitempty"`
-	Type                 ContentUpdateRequest_Type `protobuf:"varint,5,opt,name=type,proto3,enum=ContentUpdateRequest_Type" json:"type,omitempty"`
-	Tags                 []string                  `protobuf:"bytes,6,rep,name=tags,proto3" json:"tags,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                  `json:"-"`
-	XXX_unrecognized     []byte                    `json:"-"`
-	XXX_sizecache        int32                     `json:"-"`
+	ContentID            string   `protobuf:"bytes,1,opt,name=contentID,proto3" json:"contentID,omitempty"`
+	ContentToken         string   `protobuf:"bytes,2,opt,name=contentToken,proto3" json:"contentToken,omitempty"`
+	FileID               string   `protobuf:"bytes,3,opt,name=fileID,proto3" json:"fileID,omitempty"`
+	Content              []byte   `protobuf:"bytes,4,opt,name=content,proto3" json:"content,omitempty"`
+	Type                 Type     `protobuf:"varint,5,opt,name=type,proto3,enum=Type" json:"type,omitempty"`
+	Tags                 []string `protobuf:"bytes,6,rep,name=tags,proto3" json:"tags,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *ContentUpdateRequest) Reset()         { *m = ContentUpdateRequest{} }
@@ -606,11 +550,11 @@ func (m *ContentUpdateRequest) GetContent() []byte {
 	return nil
 }
 
-func (m *ContentUpdateRequest) GetType() ContentUpdateRequest_Type {
+func (m *ContentUpdateRequest) GetType() Type {
 	if m != nil {
 		return m.Type
 	}
-	return ContentUpdateRequest_UNKNOWN
+	return Type_UNKNOWN
 }
 
 func (m *ContentUpdateRequest) GetTags() []string {
@@ -754,11 +698,11 @@ func (m *ContentDeleteResponse) GetStatus() ContentDeleteResponse_Status {
 }
 
 type FileMsg struct {
-	FileID               string       `protobuf:"bytes,1,opt,name=fileID,proto3" json:"fileID,omitempty"`
-	Type                 FileMsg_Type `protobuf:"varint,2,opt,name=type,proto3,enum=FileMsg_Type" json:"type,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
-	XXX_unrecognized     []byte       `json:"-"`
-	XXX_sizecache        int32        `json:"-"`
+	FileID               string   `protobuf:"bytes,1,opt,name=fileID,proto3" json:"fileID,omitempty"`
+	Type                 Type     `protobuf:"varint,2,opt,name=type,proto3,enum=Type" json:"type,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *FileMsg) Reset()         { *m = FileMsg{} }
@@ -793,11 +737,11 @@ func (m *FileMsg) GetFileID() string {
 	return ""
 }
 
-func (m *FileMsg) GetType() FileMsg_Type {
+func (m *FileMsg) GetType() Type {
 	if m != nil {
 		return m.Type
 	}
-	return FileMsg_UNKNOWN
+	return Type_UNKNOWN
 }
 
 type ContentQueryRequest struct {
@@ -989,13 +933,11 @@ func (m *ContentCheckResponse) GetStatus() ContentCheckResponse_Status {
 }
 
 func init() {
-	proto.RegisterEnum("ContentCreateRequest_Type", ContentCreateRequest_Type_name, ContentCreateRequest_Type_value)
+	proto.RegisterEnum("Type", Type_name, Type_value)
 	proto.RegisterEnum("ContentCreateResponse_Status", ContentCreateResponse_Status_name, ContentCreateResponse_Status_value)
 	proto.RegisterEnum("ContentCreateTagResponse_Status", ContentCreateTagResponse_Status_name, ContentCreateTagResponse_Status_value)
-	proto.RegisterEnum("ContentUpdateRequest_Type", ContentUpdateRequest_Type_name, ContentUpdateRequest_Type_value)
 	proto.RegisterEnum("ContentUpdateResponse_Status", ContentUpdateResponse_Status_name, ContentUpdateResponse_Status_value)
 	proto.RegisterEnum("ContentDeleteResponse_Status", ContentDeleteResponse_Status_name, ContentDeleteResponse_Status_value)
-	proto.RegisterEnum("FileMsg_Type", FileMsg_Type_name, FileMsg_Type_value)
 	proto.RegisterEnum("ContentQueryResponse_Status", ContentQueryResponse_Status_name, ContentQueryResponse_Status_value)
 	proto.RegisterEnum("ContentCheckResponse_Status", ContentCheckResponse_Status_name, ContentCheckResponse_Status_value)
 	proto.RegisterType((*ContentCreateRequest)(nil), "ContentCreateRequest")
@@ -1016,48 +958,47 @@ func init() {
 func init() { proto.RegisterFile("content.proto", fileDescriptor_61cc9617ce0cf609) }
 
 var fileDescriptor_61cc9617ce0cf609 = []byte{
-	// 685 bytes of a gzipped FileDescriptorProto
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-	0x27, 0x00, 0x00, 0xff, 0xff, 0x37, 0x4d, 0xbb, 0xee, 0x43, 0x0a, 0x00, 0x00,
+	// 663 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xbc, 0x56, 0xcd, 0x6e, 0xd3, 0x4c,
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+	0xb2, 0x4a, 0xbc, 0x54, 0xdf, 0xb6, 0x96, 0x78, 0x45, 0x49, 0x64, 0x64, 0xa7, 0xf2, 0x65, 0xc5,
+	0x4e, 0x71, 0x5a, 0xbf, 0x55, 0x93, 0x2f, 0xb5, 0xfd, 0x5f, 0x01, 0x00, 0x00, 0xff, 0xff, 0xc1,
+	0x77, 0x71, 0xc0, 0xba, 0x09, 0x00, 0x00,
 }
diff --git a/backend/srv/content/proto/content.proto b/backend/srv/content/proto/content.proto
index 3d6b354..7a4bae4 100644
--- a/backend/srv/content/proto/content.proto
+++ b/backend/srv/content/proto/content.proto
@@ -9,12 +9,13 @@ service Content {
     rpc Check (ContentCheckRequest) returns (ContentCheckResponse);
 }
 
+enum Type {
+    UNKNOWN = 0;
+    PICTURE = 1;
+    VIDEO = 2;
+}
+
 message ContentCreateRequest {
-    enum Type {
-        UNKNOWN = 0;
-        PICTURE = 1;
-        VIDEO = 2;
-    }
     string contentID = 1;
     string contentToken = 2;
     bytes content = 3;
@@ -55,11 +56,6 @@ message ContentCreateTagResponse{
 }
 
 message ContentUpdateRequest {
-    enum Type {
-        UNKNOWN = 0;
-        PICTURE = 1;
-        VIDEO = 2;
-    }
     string contentID = 1;
     string contentToken = 2;
     string fileID = 3;
@@ -75,8 +71,7 @@ message ContentUpdateResponse {
         SUCCESS = 1;
         INVALID_TOKEN = 2;
         NOT_FOUND = 3;
-        FAILED = 4;
-        INVALID_TYPE = 5;
+        INVALID_TYPE = 4;
     }
     Status status = 1;
     string fileID = 2;
@@ -93,16 +88,12 @@ message ContentDeleteResponse {
         INVALID_PARAM = -1;
         SUCCESS = 1;
         INVALID_TOKEN = 2;
+        NOT_FOUND = 3;
     }
     Status status = 1;
 }
 
 message FileMsg {
-    enum Type {
-        UNKNOWN = 0;
-        PICTURE = 1;
-        VIDEO = 2;
-    }
     string fileID = 1;
     Type type = 2;
 }
diff --git a/backend/srv/file/main.go b/backend/srv/file/main.go
index 1ba8ed6..447b2d9 100644
--- a/backend/srv/file/main.go
+++ b/backend/srv/file/main.go
@@ -33,12 +33,12 @@ func (a *srvFile) Query(ctx context.Context, req *file.FileRequest, rsp *file.Fi
 	}
 
 	bucket, err := gridfs.NewBucket(db.MongoDatabase)
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
 	fid, err := primitive.ObjectIDFromHex(req.FileID)
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
@@ -74,12 +74,12 @@ func (a *srvFile) Create(ctx context.Context, req *file.FileCreateRequest, rsp *
 	}
 
 	bucket, err := gridfs.NewBucket(db.MongoDatabase)
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
 	objID, err := bucket.UploadFromStream("", bytes.NewReader(req.File))
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	rsp.FileID = objID.Hex()
diff --git a/backend/srv/sellinfo/main.go b/backend/srv/sellinfo/main.go
index f1707e7..879d095 100644
--- a/backend/srv/sellinfo/main.go
+++ b/backend/srv/sellinfo/main.go
@@ -46,7 +46,7 @@ func (a *srv) Query(ctx context.Context, req *sellinfo.SellInfoQueryRequest, rsp
 	err := db.Ormer.First(&info).Error
 	if gorm.IsRecordNotFoundError(err) {
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	good := db.Good{
@@ -55,7 +55,7 @@ func (a *srv) Query(ctx context.Context, req *sellinfo.SellInfoQueryRequest, rsp
 	err = db.Ormer.First(&good).Error
 	if gorm.IsRecordNotFoundError(err) {
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
@@ -109,23 +109,23 @@ func (a *srv) Create(ctx context.Context, req *sellinfo.SellInfoCreateRequest, r
 
 	insert := func() (int32, error) {
 		tx := db.Ormer.Begin()
-		if utils.LogContinue(tx.Error, utils.Warning) {
+		if tx.Error != nil {
 			return 0, tx.Error
 		}
 		err := tx.Create(&good).Error
-		if utils.LogContinue(err, utils.Warning) {
+		if err != nil {
 			tx.Rollback()
 			return 0, err
 		}
 		info.GoodID = good.ID
 		err = tx.Create(&info).Error
-		if utils.LogContinue(err, utils.Warning) {
+		if err != nil {
 			tx.Rollback()
 			return 0, err
 		}
 
 		err = tx.Commit().Error
-		if utils.LogContinue(err, utils.Warning) {
+		if err != nil {
 			tx.Rollback()
 			return 0, err
 		}
@@ -140,7 +140,10 @@ func (a *srv) Create(ctx context.Context, req *sellinfo.SellInfoCreateRequest, r
 			ContentToken: req.ContentToken,
 			Tags:         req.Tags,
 		})
-		if err != nil || microRsp.Status != content.ContentCreateTagResponse_SUCCESS {
+		if utils.LogContinue(err, utils.Error) {
+			return err
+		}
+		if microRsp.Status != content.ContentCreateTagResponse_SUCCESS {
 			rsp.Status = sellinfo.SellInfoCreateResponse_INVALID_TOKEN
 			return nil
 		}
@@ -150,8 +153,8 @@ func (a *srv) Create(ctx context.Context, req *sellinfo.SellInfoCreateRequest, r
 
 	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) {
 		id, err := insert()
-		if err != nil || id == 0 {
-			return nil
+		if utils.LogContinue(err, utils.Error) || id == 0 {
+			return err
 		}
 		rsp.Status = sellinfo.SellInfoCreateResponse_SUCCESS
 		rsp.SellInfoID = id
@@ -167,8 +170,8 @@ func (a *srv) Create(ctx context.Context, req *sellinfo.SellInfoCreateRequest, r
 
 		good.ContentID = req.ContentID
 		id, err := insert()
-		if err != nil || id == 0 {
-			return nil
+		if utils.LogContinue(err, utils.Error) || id == 0 {
+			return err
 		}
 		rsp.Status = sellinfo.SellInfoCreateResponse_SUCCESS
 		rsp.SellInfoID = id
@@ -241,7 +244,7 @@ func (a *srv) Find(ctx context.Context, req *sellinfo.SellInfoFindRequest, rsp *
 	}
 
 	err := tb.Limit(req.Limit).Offset(req.Offset).Find(&res).Error
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	for _, v := range res {
diff --git a/backend/srv/transaction/main.go b/backend/srv/transaction/main.go
index 195f0a3..1689f8d 100644
--- a/backend/srv/transaction/main.go
+++ b/backend/srv/transaction/main.go
@@ -44,7 +44,7 @@ func (a *srv) Create(ctx context.Context, req *transaction.TransactionCreateRequ
 		srvRsp, err := microSrv.Query(context.TODO(), &sellinfo.SellInfoQueryRequest{
 			SellInfoID: req.InfoID,
 		})
-		if utils.LogContinue(err, utils.Warning, "SellInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 		if srvRsp.UserID == 0 {
@@ -58,7 +58,7 @@ func (a *srv) Create(ctx context.Context, req *transaction.TransactionCreateRequ
 		srvRsp, err := microSrv.Query(context.TODO(), &buyinfo.BuyInfoQueryRequest{
 			BuyInfoID: req.InfoID,
 		})
-		if utils.LogContinue(err, utils.Warning, "BuyInfo service error: %v", err) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 		if srvRsp.UserID == 0 {
@@ -79,7 +79,7 @@ func (a *srv) Create(ctx context.Context, req *transaction.TransactionCreateRequ
 	err := db.Ormer.Create(&tran).Error
 	if gorm.IsRecordNotFoundError(err) {
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
@@ -113,12 +113,12 @@ func (a *srv) Update(ctx context.Context, req *transaction.TransactionUpdateRequ
 	if gorm.IsRecordNotFoundError(err) {
 		rsp.Status = transaction.TransactionUpdateResponse_NOT_FOUND
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	tran.Status = int32(req.Status)
 	err = db.Ormer.Save(&tran).Error
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 
diff --git a/backend/srv/user/main.go b/backend/srv/user/main.go
index 966e2e4..4ff92b5 100644
--- a/backend/srv/user/main.go
+++ b/backend/srv/user/main.go
@@ -46,7 +46,7 @@ func (a *srv) Create(ctx context.Context, req *user.UserCreateRequest, rsp *user
 		}
 		utils.LogContinue(db.Ormer.Create(&usr).Error, utils.Warning)
 		rsp.Status = user.UserCreateResponse_SUCCESS
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	} else {
 		rsp.Status = user.UserCreateResponse_USER_EXIST
@@ -85,7 +85,7 @@ func (a *srv) Query(ctx context.Context, req *user.UserQueryRequest, rsp *user.U
 	err := db.Ormer.First(&usr).Error
 	if gorm.IsRecordNotFoundError(err) {
 		return nil
-	} else if utils.LogContinue(err, utils.Warning) {
+	} else if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	parseUser(&usr, rsp)
@@ -134,7 +134,7 @@ func (a *srv) Update(ctx context.Context, req *user.UserInfo, rsp *user.UserUpda
 		utils.AssignNotZero((*int32)(&req.Status), &usr.Status)
 		utils.AssignNotZero((*int32)(&req.Role), &usr.Role)
 		err := db.Ormer.Save(&usr).Error
-		if utils.LogContinue(err, utils.Warning) {
+		if utils.LogContinue(err, utils.Error) {
 			return err
 		}
 		rsp.Status = user.UserUpdateResponse_SUCCESS
@@ -142,7 +142,7 @@ func (a *srv) Update(ctx context.Context, req *user.UserInfo, rsp *user.UserUpda
 		rsp.Status = user.UserUpdateResponse_NOT_FOUND
 		return nil
 	} else {
-		utils.Warning(err)
+		utils.Error(err)
 		return err
 	}
 	return nil
@@ -171,7 +171,7 @@ func (a *srv) Find(ctx context.Context, req *user.UserFindRequest, rsp *user.Use
 
 	var res []*db.User
 	err := db.Ormer.Where("user_name LIKE ?", "%"+req.UserName+"%").Limit(req.Limit).Offset(req.Offset).Find(&res).Error
-	if utils.LogContinue(err, utils.Warning) {
+	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
 	for i, v := range res {
diff --git a/backend/utils/function.go b/backend/utils/function.go
index 2fbf3d2..d2e2922 100644
--- a/backend/utils/function.go
+++ b/backend/utils/function.go
@@ -53,6 +53,8 @@ func IsEmpty(val interface{}) bool {
 		return v == ""
 	case []byte:
 		return bytes.Equal(v, []byte{0})
+	case []string:
+		return len(v) == 0
 	default:
 		s := fmt.Sprintf("%d", val)
 		return s == "0"

From 37d691845133dd49074c26dc69fa03ef677035c0 Mon Sep 17 00:00:00 2001
From: MXWXZ <me@imwxz.com>
Date: Thu, 1 Aug 2019 16:16:23 +0800
Subject: [PATCH 10/12] test fix

---
 backend/api/auth/main_test.go                 |   9 +-
 backend/api/buyinfo/main.go                   |   2 +-
 backend/api/buyinfo/main_test.go              |  12 +-
 backend/api/content/main.go                   |   4 +-
 backend/api/content/main_test.go              |  12 +-
 backend/api/sellinfo/main.go                  |   2 +-
 backend/api/sellinfo/main_test.go             |  12 +-
 backend/api/transaction/main.go               |  34 +--
 backend/api/user/main.go                      |   4 +-
 backend/api/user/main_test.go                 |  34 +--
 backend/doc/api_project.js                    |   2 +-
 backend/doc/api_project.json                  |   2 +-
 backend/srv/auth/mock/mock.go                 |  58 ++---
 backend/srv/avatar/main.go                    |  47 ++--
 backend/srv/avatar/main_test.go               |  22 +-
 backend/srv/avatar/mock/mock.go               |  19 +-
 backend/srv/avatar/proto/avatar.pb.go         |  42 ++--
 backend/srv/avatar/proto/avatar.proto         |   3 +-
 backend/srv/buyinfo/main.go                   |   4 +-
 backend/srv/buyinfo/main_test.go              |  41 ++-
 backend/srv/buyinfo/mock/mock.go              |  14 +-
 backend/srv/content/main_test.go              |   4 +-
 backend/srv/content/mock/mock.go              |  29 +--
 backend/srv/file/mock/mock.go                 |  33 ++-
 backend/srv/sellinfo/main.go                  |   4 +-
 backend/srv/sellinfo/main_test.go             |  90 +------
 backend/srv/sellinfo/mock/mock.go             |  14 +-
 backend/srv/transaction/main.go               |   8 +-
 .../srv/transaction/proto/transaction.pb.go   | 236 +++++++-----------
 .../srv/transaction/proto/transaction.proto   |  21 +-
 backend/srv/user/main.go                      |   4 +-
 backend/srv/user/main_test.go                 |  69 ++---
 backend/srv/user/mock/mock.go                 | 115 ++++-----
 backend/utils/function.go                     |  21 ++
 backend/utils/testtool.go                     |   4 +-
 35 files changed, 484 insertions(+), 547 deletions(-)

diff --git a/backend/api/auth/main_test.go b/backend/api/auth/main_test.go
index 43f1c0e..0f8dc8d 100644
--- a/backend/api/auth/main_test.go
+++ b/backend/api/auth/main_test.go
@@ -30,12 +30,11 @@ func Test_getAuth(t *testing.T) {
 		So(r.Code, ShouldEqual, 301)
 
 		tf(200, "invalid", auth.AuthResponse_INVALID_CODE, 0, 0)
-		tf(200, "valid_user", auth.AuthResponse_SUCCESS, 1, user.UserInfo_USER)
-		tf(200, "valid_admin", auth.AuthResponse_SUCCESS, 2, user.UserInfo_ADMIN)
-
+		tf(200, "valid_user", auth.AuthResponse_SUCCESS, 1000, user.UserInfo_USER)
+		tf(200, "valid_admin", auth.AuthResponse_SUCCESS, 1001, user.UserInfo_ADMIN)
 		tf(200, "frozen_user", auth.AuthResponse_FROZEN_USER, 0, 0)
-		tf(500, "down", 0, 0, 0)
-		tf(500, "userdown", 0, 0, 0)
+		tf(500, "error", 0, 0, 0)
+		tf(500, "user_error", 0, 0, 0)
 	})
 }
 
diff --git a/backend/api/buyinfo/main.go b/backend/api/buyinfo/main.go
index e068935..fdab999 100644
--- a/backend/api/buyinfo/main.go
+++ b/backend/api/buyinfo/main.go
@@ -147,7 +147,7 @@ func findBuyInfo(c *gin.Context) {
 			func() interface{} { return mock.NewBuyInfoService() }).(buyinfo.BuyInfoService)
 		rsp, err := srv.Find(context.TODO(), &buyinfo.BuyInfoFindRequest{
 			UserID:    p.UserID,
-			Status:    buyinfo.BuyStatus(p.Status),
+			Status:    buyinfo.BuyStatus(utils.EnumConvert(p.Status, buyinfo.BuyStatus_name)),
 			GoodName:  p.GoodName,
 			LowPrice:  p.LowPrice,
 			HighPrice: p.HighPrice,
diff --git a/backend/api/buyinfo/main_test.go b/backend/api/buyinfo/main_test.go
index 1bed41d..2f81382 100644
--- a/backend/api/buyinfo/main_test.go
+++ b/backend/api/buyinfo/main_test.go
@@ -4,18 +4,20 @@ import (
 	buyinfo "jiaojiao/srv/buyinfo/proto"
 	"jiaojiao/utils"
 	"net/url"
+	"strconv"
 	"testing"
 
 	. "github.com/smartystreets/goconvey/convey"
 )
 
 func Test_getBuyInfo(t *testing.T) {
-	tf := func(code int, path string, id int, cid string) {
+	tf := func(code int, path string, cid string) {
 		c, d := utils.GetTestData(setupRouter, "GET", "/buyInfo/"+path, nil, "")
 
 		So(c, ShouldEqual, code)
 		if d != nil {
-			So(d["buyInfoID"], ShouldEqual, id)
+			v, _ := strconv.Atoi(path)
+			So(d["buyInfoID"], ShouldEqual, v)
 			So(d["contentID"], ShouldEqual, cid)
 		}
 	}
@@ -27,9 +29,9 @@ func Test_getBuyInfo(t *testing.T) {
 			Admin: true,
 		}, "GET", "/buyInfo/1000", nil), ShouldBeZeroValue)
 
-		tf(400, "0", 0, "")
-		tf(200, "1000", 1000, "123456789abc123456789abc")
-		tf(500, "2000", 0, "")
+		tf(400, "0", "")
+		tf(200, "1000", "012345678901234567890123")
+		tf(500, "3000", "")
 	})
 }
 
diff --git a/backend/api/content/main.go b/backend/api/content/main.go
index 922b6fc..cd65aec 100644
--- a/backend/api/content/main.go
+++ b/backend/api/content/main.go
@@ -72,7 +72,7 @@ func addContent(c *gin.Context) {
 			ContentID:    p.ContentID,
 			ContentToken: p.ContentToken,
 			Content:      data,
-			Type:         content.Type(p.Type),
+			Type:         content.Type(utils.EnumConvert(p.Type, content.Type_name)),
 		})
 		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
@@ -172,7 +172,7 @@ func updateContent(c *gin.Context) {
 			ContentToken: p.ContentToken,
 			FileID:       p.FileID,
 			Content:      data,
-			Type:         content.Type(p.Type),
+			Type:         content.Type(utils.EnumConvert(p.Type, content.Type_name)),
 		})
 		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
diff --git a/backend/api/content/main_test.go b/backend/api/content/main_test.go
index eb44754..25e0374 100644
--- a/backend/api/content/main_test.go
+++ b/backend/api/content/main_test.go
@@ -28,13 +28,13 @@ func Test_deleteContent(t *testing.T) {
 		}, "DELETE", "/content?contentID=1000&contentToken=valid_token", nil), ShouldBeZeroValue)
 
 		tf(400, "", "", 0)
-		tf(400, "1000", "", 0)
+		tf(400, "012345678901234567890123", "", 0)
 		tf(400, "", "valid_token", 0)
-		tf(200, "1000", "valid_token", content.ContentDeleteResponse_SUCCESS)
-		tf(200, "1000", "invalid_token", content.ContentDeleteResponse_INVALID_TOKEN)
-		tf(200, "1001", "valid_token", content.ContentDeleteResponse_INVALID_TOKEN)
-		tf(200, "1001", "invalid_token", content.ContentDeleteResponse_INVALID_TOKEN)
-		tf(500, "2000", "valid_token", 0)
+		tf(200, "012345678901234567890123", "valid_token", content.ContentDeleteResponse_SUCCESS)
+		tf(200, "012345678901234567890123", "invalid_token", content.ContentDeleteResponse_INVALID_TOKEN)
+		tf(200, "12345", "valid_token", content.ContentDeleteResponse_INVALID_TOKEN)
+		tf(200, "12345", "invalid_token", content.ContentDeleteResponse_INVALID_TOKEN)
+		tf(500, "987654321098765432109876", "valid_token", 0)
 	})
 }
 
diff --git a/backend/api/sellinfo/main.go b/backend/api/sellinfo/main.go
index 1ae08dc..b98a6d3 100644
--- a/backend/api/sellinfo/main.go
+++ b/backend/api/sellinfo/main.go
@@ -147,7 +147,7 @@ func findSellInfo(c *gin.Context) {
 			func() interface{} { return mock.NewSellInfoService() }).(sellinfo.SellInfoService)
 		rsp, err := srv.Find(context.TODO(), &sellinfo.SellInfoFindRequest{
 			UserID:    p.UserID,
-			Status:    sellinfo.SellStatus(p.Status),
+			Status:    sellinfo.SellStatus(utils.EnumConvert(p.Status, sellinfo.SellStatus_name)),
 			GoodName:  p.GoodName,
 			LowPrice:  p.LowPrice,
 			HighPrice: p.HighPrice,
diff --git a/backend/api/sellinfo/main_test.go b/backend/api/sellinfo/main_test.go
index 1e2fc2b..0cbe0ab 100644
--- a/backend/api/sellinfo/main_test.go
+++ b/backend/api/sellinfo/main_test.go
@@ -4,18 +4,20 @@ import (
 	sellinfo "jiaojiao/srv/sellinfo/proto"
 	"jiaojiao/utils"
 	"net/url"
+	"strconv"
 	"testing"
 
 	. "github.com/smartystreets/goconvey/convey"
 )
 
 func Test_getSellInfo(t *testing.T) {
-	tf := func(code int, path string, id int, cid string) {
+	tf := func(code int, path string, cid string) {
 		c, d := utils.GetTestData(setupRouter, "GET", "/sellInfo/"+path, nil, "")
 
 		So(c, ShouldEqual, code)
 		if d != nil {
-			So(d["sellInfoID"], ShouldEqual, id)
+			v, _ := strconv.Atoi(path)
+			So(d["sellInfoID"], ShouldEqual, v)
 			So(d["contentID"], ShouldEqual, cid)
 		}
 	}
@@ -27,9 +29,9 @@ func Test_getSellInfo(t *testing.T) {
 			Admin: true,
 		}, "GET", "/sellinfo/1000", nil), ShouldBeZeroValue)
 
-		tf(400, "0", 0, "")
-		tf(200, "1000", 1000, "123456789abc123456789abc")
-		tf(500, "2000", 0, "")
+		tf(400, "0", "")
+		tf(200, "1000", "012345678901234567890123")
+		tf(500, "3000", "")
 	})
 }
 
diff --git a/backend/api/transaction/main.go b/backend/api/transaction/main.go
index 5540ae4..54c9d76 100644
--- a/backend/api/transaction/main.go
+++ b/backend/api/transaction/main.go
@@ -39,14 +39,14 @@ func setupRouter() *gin.Engine {
  */
 func findTransaction(c *gin.Context) {
 	type param struct {
-		InfoID         int32                                       `form:"infoID"`
-		Category       transaction.TransactionFindRequest_Category `form:"category"`
-		UserID         int32                                       `form:"userID"`
-		LowCreateTime  int64                                       `form:"lowCreateTime"`
-		HighCreateTime int64                                       `form:"highCreateTime"`
-		Status         transaction.TransStatus                     `form:"status"`
-		Limit          uint32                                      `form:"limit"`
-		Offset         uint32                                      `form:"offset"`
+		InfoID         int32  `form:"infoID"`
+		Category       int32  `form:"category"`
+		UserID         int32  `form:"userID"`
+		LowCreateTime  int64  `form:"lowCreateTime"`
+		HighCreateTime int64  `form:"highCreateTime"`
+		Status         int32  `form:"status"`
+		Limit          uint32 `form:"limit"`
+		Offset         uint32 `form:"offset"`
 	}
 	var p param
 
@@ -65,11 +65,11 @@ func findTransaction(c *gin.Context) {
 			func() interface{} { return mock.NewTransactionService() }).(transaction.TransactionService)
 		rsp, err := srv.Find(context.TODO(), &transaction.TransactionFindRequest{
 			InfoID:         p.InfoID,
-			Category:       p.Category,
+			Category:       transaction.Category(utils.EnumConvert(p.Category, transaction.Category_name)),
 			UserID:         p.UserID,
 			LowCreateTime:  p.LowCreateTime,
 			HighCreateTime: p.HighCreateTime,
-			Status:         p.Status,
+			Status:         transaction.TransStatus(utils.EnumConvert(p.Status, transaction.TransStatus_name)),
 			Limit:          p.Limit,
 			Offset:         p.Offset,
 		})
@@ -98,9 +98,9 @@ func findTransaction(c *gin.Context) {
  */
 func addTransaction(c *gin.Context) {
 	type param struct {
-		InfoID     int32                                         `form:"infoID"`
-		Category   transaction.TransactionCreateRequest_Category `form:"category"`
-		FromUserID int32                                         `form:"fromUserID"`
+		InfoID     int32 `form:"infoID"`
+		Category   int32 `form:"category"`
+		FromUserID int32 `form:"fromUserID"`
 	}
 	var p param
 	role := utils.GetRole(c)
@@ -114,7 +114,7 @@ func addTransaction(c *gin.Context) {
 			func() interface{} { return mock.NewTransactionService() }).(transaction.TransactionService)
 		rsp, err := srv.Create(context.TODO(), &transaction.TransactionCreateRequest{
 			InfoID:     p.InfoID,
-			Category:   p.Category,
+			Category:   transaction.Category(utils.EnumConvert(p.Category, transaction.Category_name)),
 			FromUserID: p.FromUserID,
 		})
 		if utils.LogContinue(err, utils.Error) {
@@ -142,8 +142,8 @@ func addTransaction(c *gin.Context) {
  */
 func updateTransaction(c *gin.Context) {
 	type param struct {
-		TransactionID int32                   `form:"transactionID"`
-		Status        transaction.TransStatus `form:"status"`
+		TransactionID int32 `form:"transactionID"`
+		Status        int32 `form:"status"`
 	}
 	var p param
 	role := utils.GetRole(c)
@@ -157,7 +157,7 @@ func updateTransaction(c *gin.Context) {
 			func() interface{} { return mock.NewTransactionService() }).(transaction.TransactionService)
 		rsp, err := srv.Update(context.TODO(), &transaction.TransactionUpdateRequest{
 			TransactionID: p.TransactionID,
-			Status:        p.Status,
+			Status:        transaction.TransStatus(utils.EnumConvert(p.Status, transaction.TransStatus_name)),
 		})
 		if utils.LogContinue(err, utils.Error) {
 			c.JSON(500, err)
diff --git a/backend/api/user/main.go b/backend/api/user/main.go
index a8ba1c7..cb0e1e8 100644
--- a/backend/api/user/main.go
+++ b/backend/api/user/main.go
@@ -210,8 +210,8 @@ func updateUser(c *gin.Context) {
 			Telephone:   p.Telephone,
 			StudentID:   p.StudentID,
 			StudentName: p.StudentName,
-			Status:      user.UserInfo_Status(p.Status),
-			Role:        user.UserInfo_Role(p.Role),
+			Status:      user.UserInfo_Status(utils.EnumConvert(p.Status, user.UserInfo_Status_name)),
+			Role:        user.UserInfo_Role(utils.EnumConvert(p.Role, user.UserInfo_Role_name)),
 			ClearEmpty:  p.ClearEmpty,
 		})
 		if utils.LogContinue(err, utils.Error) {
diff --git a/backend/api/user/main_test.go b/backend/api/user/main_test.go
index 252355f..4229720 100644
--- a/backend/api/user/main_test.go
+++ b/backend/api/user/main_test.go
@@ -29,16 +29,16 @@ func Test_addUser(t *testing.T) {
 			Self:  false,
 			Admin: true,
 		}, "POST", "/user", url.Values{
-			"studentID":   {"1000"},
+			"studentID":   {"10000"},
 			"studentName": {"test"},
 		}), ShouldBeZeroValue)
 
-		tf(400, 0, "", "test", 1, "admin")
-		tf(400, 0, "1000", "", 1, "admin")
-		tf(200, user.UserCreateResponse_SUCCESS, "1000", "test", 1, "admin")
-		tf(200, user.UserCreateResponse_SUCCESS, "1001", "test", 2, "admin")
-		tf(500, 0, "2000", "test", 0, "admin")
-		tf(200, user.UserCreateResponse_USER_EXIST, "3001", "test", 1, "admin")
+		tf(400, 0, "", "test", 1000, "admin")
+		tf(400, 0, "10000", "", 1000, "admin")
+		tf(200, user.UserCreateResponse_SUCCESS, "10000", "test", 1000, "admin")
+		tf(200, user.UserCreateResponse_SUCCESS, "10001", "test", 1001, "admin")
+		tf(500, 0, "30000", "test", 0, "admin")
+		tf(200, user.UserCreateResponse_USER_EXIST, "30001", "test", 1000, "admin")
 	})
 }
 
@@ -62,8 +62,8 @@ func Test_getUserInfo(t *testing.T) {
 
 		tf(400, "0", false, 0, nil)
 		tf(200, "1000", false, 1000, nil)
-		tf(200, "1000", true, 1000, "1000")
-		tf(500, "2000", false, 0, nil)
+		tf(200, "1000", true, 1000, "10000")
+		tf(500, "3000", false, 0, nil)
 	})
 }
 
@@ -93,7 +93,7 @@ func Test_updateUser(t *testing.T) {
 
 		v.Set("userID", "1001")
 		tf(200, user.UserUpdateResponse_NOT_FOUND, "self")
-		v.Set("userID", "2000")
+		v.Set("userID", "3000")
 		tf(500, 0, "self")
 	})
 }
@@ -119,21 +119,21 @@ func Test_findUser(t *testing.T) {
 
 		v.Set("userName", "test1")
 		tf(200, false, 1, nil)
-		tf(200, true, 1, "1")
+		tf(200, true, 1, "10000")
 		v.Set("userName", "test2")
 		tf(200, false, 2, nil)
 		v.Set("userName", "test3")
-		tf(200, true, 3, "1")
-		v.Set("userName", "down")
+		tf(200, true, 3, "10000")
+		v.Set("userName", "error")
 		tf(500, false, 0, nil)
 		v.Del("userName")
-		tf(200, true, 3, "1")
+		tf(200, true, 3, "10000")
 		v.Set("limit", "2")
-		tf(200, true, 2, "1")
+		tf(200, true, 2, "10000")
 		v.Set("offset", "1")
-		tf(200, true, 2, "2")
+		tf(200, true, 2, "10001")
 		v.Set("offset", "2")
-		tf(200, true, 1, "3")
+		tf(200, true, 1, "10002")
 	})
 }
 
diff --git a/backend/doc/api_project.js b/backend/doc/api_project.js
index 41f13ee..466f149 100644
--- a/backend/doc/api_project.js
+++ b/backend/doc/api_project.js
@@ -20,7 +20,7 @@ define({
   "apidoc": "0.3.0",
   "generator": {
     "name": "apidoc",
-    "time": "2019-08-01T01:55:10.521Z",
+    "time": "2019-08-01T03:25:44.780Z",
     "url": "http://apidocjs.com",
     "version": "0.17.7"
   }
diff --git a/backend/doc/api_project.json b/backend/doc/api_project.json
index c52a973..275897f 100644
--- a/backend/doc/api_project.json
+++ b/backend/doc/api_project.json
@@ -20,7 +20,7 @@
   "apidoc": "0.3.0",
   "generator": {
     "name": "apidoc",
-    "time": "2019-08-01T01:55:10.521Z",
+    "time": "2019-08-01T03:25:44.780Z",
     "url": "http://apidocjs.com",
     "version": "0.17.7"
   }
diff --git a/backend/srv/auth/mock/mock.go b/backend/srv/auth/mock/mock.go
index f61e7e0..87ebd02 100644
--- a/backend/srv/auth/mock/mock.go
+++ b/backend/srv/auth/mock/mock.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	auth "jiaojiao/srv/auth/proto"
+	"jiaojiao/utils"
 
 	"github.com/micro/go-micro/client"
 )
@@ -13,39 +14,34 @@ type mockSrv struct{}
 // Auth is auth auth mock
 func (a *mockSrv) Auth(ctx context.Context, req *auth.AuthRequest, opts ...client.CallOption) (*auth.AuthResponse, error) {
 	var ret auth.AuthResponse
-	if req.Code == "" {
+	if !utils.RequireParam(req.Code) {
 		ret.Status = auth.AuthResponse_INVALID_PARAM
+		return &ret, nil
+	}
+	if req.Code == "valid_user" {
+		ret.Status = auth.AuthResponse_SUCCESS
+		ret.Token = "valid_token"
+		ret.StudentID = "10000"
+		ret.StudentName = "user"
+	} else if req.Code == "valid_admin" {
+		ret.Status = auth.AuthResponse_SUCCESS
+		ret.Token = "valid_token"
+		ret.StudentID = "10001"
+		ret.StudentName = "admin"
+	} else if req.Code == "frozen_user" {
+		ret.Status = auth.AuthResponse_SUCCESS
+		ret.Token = "valid_token"
+		ret.StudentID = "20000"
+		ret.StudentName = "frozen"
+	} else if req.Code == "error" {
+		return &ret, errors.New("")
+	} else if req.Code == "user_error" {
+		ret.Status = auth.AuthResponse_SUCCESS
+		ret.Token = "valid_token"
+		ret.StudentID = "30000"
+		ret.StudentName = "error"
 	} else {
-		if req.Code == "valid_user" {
-			ret.Status = auth.AuthResponse_SUCCESS
-			ret.Token = "test_token"
-			ret.StudentID = "1000"
-			ret.StudentName = "test"
-		} else if req.Code == "valid_admin" {
-			ret.Status = auth.AuthResponse_SUCCESS
-			ret.Token = "test_token"
-			ret.StudentID = "1001"
-			ret.StudentName = "test"
-		} else if req.Code == "frozen_user" {
-			ret.Status = auth.AuthResponse_SUCCESS
-			ret.Token = "test_token"
-			ret.StudentID = "3000"
-			ret.StudentName = "test"
-		} else if req.Code == "down" {
-			return &ret, errors.New("")
-		} else if req.Code == "userdown" {
-			ret.Status = auth.AuthResponse_SUCCESS
-			ret.Token = "test_token"
-			ret.StudentID = "2000"
-			ret.StudentName = "down"
-		} else if req.Code == "frozen" {
-			ret.Status = auth.AuthResponse_SUCCESS
-			ret.Token = "test_token"
-			ret.StudentID = "3000"
-			ret.StudentName = "frozen"
-		} else {
-			ret.Status = auth.AuthResponse_INVALID_CODE
-		}
+		ret.Status = auth.AuthResponse_INVALID_CODE
 	}
 	return &ret, nil
 }
diff --git a/backend/srv/avatar/main.go b/backend/srv/avatar/main.go
index 0940e25..311336f 100644
--- a/backend/srv/avatar/main.go
+++ b/backend/srv/avatar/main.go
@@ -3,14 +3,14 @@ package main
 import (
 	"context"
 	"errors"
-	db "jiaojiao/database"
 	avatar "jiaojiao/srv/avatar/proto"
-	"jiaojiao/srv/file/mock"
+	mockFile "jiaojiao/srv/file/mock"
 	file "jiaojiao/srv/file/proto"
+	mockUser "jiaojiao/srv/user/mock"
+	user "jiaojiao/srv/user/proto"
 	"jiaojiao/utils"
 
 	"github.com/h2non/filetype"
-	"github.com/jinzhu/gorm"
 	"github.com/micro/go-micro/client"
 )
 
@@ -35,49 +35,46 @@ func (a *srv) Create(ctx context.Context, req *avatar.AvatarCreateRequest, rsp *
 		return nil
 	}
 
-	if !utils.CheckInTest() && !filetype.IsImage(req.File) {
+	if !utils.CheckFile(req.File, filetype.IsImage) {
 		rsp.Status = avatar.AvatarCreateResponse_INVALID_TYPE
 		return nil
 	}
 
-	usr := db.User{
-		ID: req.UserID,
-	}
-	err := db.Ormer.First(&usr).Error
-	if gorm.IsRecordNotFoundError(err) {
-		rsp.Status = avatar.AvatarCreateResponse_NOT_FOUND
-		return nil
-	} else if utils.LogContinue(err, utils.Error) {
-		return err
-	}
-
-	srv := utils.CallMicroService("file", func(name string, c client.Client) interface{} { return file.NewFileService(name, c) },
-		func() interface{} { return mock.NewFileService() }).(file.FileService)
-	microRsp, err := srv.Create(context.TODO(), &file.FileCreateRequest{
+	// upload file
+	srvFile := utils.CallMicroService("file", func(name string, c client.Client) interface{} { return file.NewFileService(name, c) },
+		func() interface{} { return mockFile.NewFileService() }).(file.FileService)
+	fileRsp, err := srvFile.Create(context.TODO(), &file.FileCreateRequest{
 		File: req.File,
 	})
 	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
-	if microRsp.Status != file.FileCreateResponse_SUCCESS {
-		_, s := utils.LogContinueS("File create return "+microRsp.Status.String(), utils.Error)
+	if fileRsp.Status != file.FileCreateResponse_SUCCESS {
+		_, s := utils.LogContinueS("File create return "+fileRsp.Status.String(), utils.Error)
 		return errors.New(s)
 	}
 
-	usr.AvatarID = microRsp.FileID
-	err = db.Ormer.Save(&usr).Error
+	// update user
+	srvUser := utils.CallMicroService("user", func(name string, c client.Client) interface{} { return user.NewUserService(name, c) },
+		func() interface{} { return mockUser.NewUserService() }).(user.UserService)
+	userRsp, err := srvUser.Update(context.TODO(), &user.UserInfo{
+		UserID:   req.UserID,
+		AvatarID: fileRsp.FileID,
+	})
 	if utils.LogContinue(err, utils.Error) {
 		return err
 	}
+	if userRsp.Status != user.UserUpdateResponse_SUCCESS {
+		_, s := utils.LogContinueS("User update return "+userRsp.Status.String(), utils.Error)
+		return errors.New(s)
+	}
 
-	rsp.AvatarID = microRsp.FileID
+	rsp.AvatarID = fileRsp.FileID
 	rsp.Status = avatar.AvatarCreateResponse_SUCCESS
 	return nil
 }
 
 func main() {
-	db.InitORM("userdb", new(db.User))
-	defer db.CloseORM()
 	service := utils.InitMicroService("avatar")
 	utils.LogPanic(avatar.RegisterAvatarHandler(service.Server(), new(srv)))
 	utils.RunMicroService(service)
diff --git a/backend/srv/avatar/main_test.go b/backend/srv/avatar/main_test.go
index d0c980b..8d63c61 100644
--- a/backend/srv/avatar/main_test.go
+++ b/backend/srv/avatar/main_test.go
@@ -1,11 +1,31 @@
 package main
 
 import (
+	"context"
+	avatar "jiaojiao/srv/avatar/proto"
+	"jiaojiao/utils"
 	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
 )
 
 func TestAvatarCreate(t *testing.T) {
-	// TODO
+	tf := func(userID int32, file string, status avatar.AvatarCreateResponse_Status) {
+		var s srv
+		var rsp avatar.AvatarCreateResponse
+		So(s.Create(context.TODO(), &avatar.AvatarCreateRequest{
+			UserID: userID,
+			File:   utils.If(file != "", []byte(file), []byte{0}).([]byte),
+		}, &rsp), ShouldBeNil)
+		So(rsp.Status, ShouldEqual, status)
+	}
+
+	Convey("Test Avatar Create", t, func() {
+		tf(0, "valid_file", avatar.AvatarCreateResponse_INVALID_PARAM)
+		tf(1000, "", avatar.AvatarCreateResponse_INVALID_PARAM)
+		tf(1000, "invalid_file", avatar.AvatarCreateResponse_INVALID_TYPE)
+		tf(1000, "valid_file", avatar.AvatarCreateResponse_SUCCESS)
+	})
 }
 
 func TestMain(m *testing.M) {
diff --git a/backend/srv/avatar/mock/mock.go b/backend/srv/avatar/mock/mock.go
index df845d0..9fba136 100644
--- a/backend/srv/avatar/mock/mock.go
+++ b/backend/srv/avatar/mock/mock.go
@@ -2,7 +2,9 @@ package mock
 
 import (
 	"context"
+	"errors"
 	avatar "jiaojiao/srv/avatar/proto"
+	"jiaojiao/utils"
 
 	"github.com/micro/go-micro/client"
 )
@@ -10,9 +12,22 @@ import (
 type mockSrv struct{}
 
 // Create is avatar create mock
-func (a *mockSrv) Create(ctx context.Context, in *avatar.AvatarCreateRequest, opts ...client.CallOption) (*avatar.AvatarCreateResponse, error) {
+func (a *mockSrv) Create(ctx context.Context, req *avatar.AvatarCreateRequest, opts ...client.CallOption) (*avatar.AvatarCreateResponse, error) {
 	var rsp avatar.AvatarCreateResponse
-	// TODO
+	if !utils.RequireParam(req.File, req.UserID) {
+		rsp.Status = avatar.AvatarCreateResponse_INVALID_PARAM
+		return &rsp, nil
+	}
+
+	switch string(req.File) {
+	case "invalid":
+		rsp.Status = avatar.AvatarCreateResponse_INVALID_TYPE
+	case "valid":
+		rsp.Status = avatar.AvatarCreateResponse_SUCCESS
+		rsp.AvatarID = "012345678901234567890123"
+	case "error":
+		return nil, errors.New("")
+	}
 	return &rsp, nil
 }
 
diff --git a/backend/srv/avatar/proto/avatar.pb.go b/backend/srv/avatar/proto/avatar.pb.go
index 48aa3ea..703ab2e 100644
--- a/backend/srv/avatar/proto/avatar.pb.go
+++ b/backend/srv/avatar/proto/avatar.pb.go
@@ -26,24 +26,21 @@ const (
 	AvatarCreateResponse_UNKNOWN       AvatarCreateResponse_Status = 0
 	AvatarCreateResponse_INVALID_PARAM AvatarCreateResponse_Status = -1
 	AvatarCreateResponse_SUCCESS       AvatarCreateResponse_Status = 1
-	AvatarCreateResponse_NOT_FOUND     AvatarCreateResponse_Status = 2
-	AvatarCreateResponse_INVALID_TYPE  AvatarCreateResponse_Status = 3
+	AvatarCreateResponse_INVALID_TYPE  AvatarCreateResponse_Status = 2
 )
 
 var AvatarCreateResponse_Status_name = map[int32]string{
 	0:  "UNKNOWN",
 	-1: "INVALID_PARAM",
 	1:  "SUCCESS",
-	2:  "NOT_FOUND",
-	3:  "INVALID_TYPE",
+	2:  "INVALID_TYPE",
 }
 
 var AvatarCreateResponse_Status_value = map[string]int32{
 	"UNKNOWN":       0,
 	"INVALID_PARAM": -1,
 	"SUCCESS":       1,
-	"NOT_FOUND":     2,
-	"INVALID_TYPE":  3,
+	"INVALID_TYPE":  2,
 }
 
 func (x AvatarCreateResponse_Status) String() string {
@@ -157,21 +154,20 @@ func init() {
 func init() { proto.RegisterFile("avatar.proto", fileDescriptor_082ad687f88f08fc) }
 
 var fileDescriptor_082ad687f88f08fc = []byte{
-	// 252 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0xc1, 0x4b, 0xc3, 0x30,
-	0x14, 0xc6, 0xcd, 0xd4, 0xe8, 0x9e, 0x9d, 0x84, 0xe7, 0x94, 0x51, 0x3c, 0x8c, 0x9e, 0x76, 0xea,
-	0x61, 0xea, 0x59, 0x42, 0x3b, 0xa1, 0xa8, 0xe9, 0x48, 0x57, 0xc5, 0x53, 0x89, 0x10, 0x41, 0x10,
-	0x3b, 0x93, 0xd4, 0xff, 0xd1, 0xbf, 0x4a, 0x31, 0xd9, 0x04, 0xa1, 0x39, 0xe5, 0x83, 0xdf, 0xfb,
-	0xde, 0xf7, 0x3e, 0x88, 0xd4, 0xa7, 0x72, 0xca, 0xa4, 0x6b, 0xd3, 0xba, 0x36, 0xe1, 0x70, 0xc2,
-	0xbd, 0xce, 0x8c, 0x56, 0x4e, 0x4b, 0xfd, 0xd1, 0x69, 0xeb, 0xf0, 0x0c, 0x68, 0x67, 0xb5, 0x29,
-	0xf2, 0x09, 0x99, 0x92, 0xd9, 0xbe, 0xdc, 0x28, 0x44, 0xd8, 0x7b, 0x79, 0x7d, 0xd3, 0x93, 0xc1,
-	0x94, 0xcc, 0x22, 0xe9, 0xff, 0xc9, 0x17, 0x81, 0xf1, 0x7f, 0x0f, 0xbb, 0x6e, 0xdf, 0xad, 0xc6,
-	0x4b, 0xa0, 0xd6, 0x29, 0xd7, 0x59, 0x6f, 0x72, 0x3c, 0x3f, 0x4f, 0xfb, 0xb0, 0xb4, 0xf2, 0x8c,
-	0xdc, 0xb0, 0x18, 0xc3, 0x61, 0x48, 0x58, 0xe4, 0x7e, 0xcd, 0x50, 0xfe, 0xe9, 0xa4, 0x01, 0x1a,
-	0x68, 0x3c, 0x82, 0x83, 0x5a, 0xdc, 0x8a, 0xf2, 0x51, 0xb0, 0x1d, 0x8c, 0x61, 0x54, 0x88, 0x07,
-	0x7e, 0x57, 0xe4, 0xcd, 0x92, 0x4b, 0x7e, 0xcf, 0xbe, 0xb7, 0x8f, 0xfc, 0x82, 0x55, 0x9d, 0x65,
-	0x8b, 0xaa, 0x62, 0x04, 0x47, 0x30, 0x14, 0xe5, 0xaa, 0xb9, 0x29, 0x6b, 0x91, 0xb3, 0x01, 0x32,
-	0x88, 0xb6, 0x73, 0xab, 0xa7, 0xe5, 0x82, 0xed, 0xce, 0xaf, 0x81, 0x86, 0x8c, 0x78, 0x05, 0x34,
-	0xe4, 0xc4, 0x71, 0xda, 0xd3, 0x50, 0x7c, 0xda, 0x7b, 0xcc, 0x33, 0xf5, 0xb5, 0x5e, 0xfc, 0x04,
-	0x00, 0x00, 0xff, 0xff, 0xc2, 0x94, 0x40, 0x55, 0x66, 0x01, 0x00, 0x00,
+	// 238 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xe2, 0x49, 0x2c, 0x4b, 0x2c,
+	0x49, 0x2c, 0xd2, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x57, 0x72, 0xe4, 0x12, 0x76, 0x04, 0xf3, 0x9d,
+	0x8b, 0x52, 0x13, 0x4b, 0x52, 0x83, 0x52, 0x0b, 0x4b, 0x53, 0x8b, 0x4b, 0x84, 0xc4, 0xb8, 0xd8,
+	0x4a, 0x8b, 0x53, 0x8b, 0x3c, 0x5d, 0x24, 0x18, 0x15, 0x18, 0x35, 0x58, 0x83, 0xa0, 0x3c, 0x21,
+	0x21, 0x2e, 0x96, 0xb4, 0xcc, 0x9c, 0x54, 0x09, 0x26, 0x05, 0x46, 0x0d, 0x9e, 0x20, 0x30, 0x5b,
+	0x69, 0x17, 0x23, 0x97, 0x08, 0xaa, 0x19, 0xc5, 0x05, 0xf9, 0x79, 0xc5, 0xa9, 0x42, 0x26, 0x5c,
+	0x6c, 0xc5, 0x25, 0x89, 0x25, 0xa5, 0xc5, 0x60, 0x43, 0xf8, 0x8c, 0x64, 0xf4, 0xb0, 0x29, 0xd3,
+	0x0b, 0x06, 0xab, 0x09, 0x82, 0xaa, 0x15, 0x92, 0xe2, 0xe2, 0x80, 0xb8, 0xd0, 0xd3, 0x05, 0x6c,
+	0x0d, 0x67, 0x10, 0x9c, 0xaf, 0x14, 0xc0, 0xc5, 0x06, 0x51, 0x2d, 0xc4, 0xcd, 0xc5, 0x1e, 0xea,
+	0xe7, 0xed, 0xe7, 0x1f, 0xee, 0x27, 0xc0, 0x20, 0x24, 0xc5, 0xc5, 0xeb, 0xe9, 0x17, 0xe6, 0xe8,
+	0xe3, 0xe9, 0x12, 0x1f, 0xe0, 0x18, 0xe4, 0xe8, 0x2b, 0xf0, 0x1f, 0x06, 0x18, 0x41, 0x0a, 0x83,
+	0x43, 0x9d, 0x9d, 0x5d, 0x83, 0x83, 0x05, 0x18, 0x85, 0x04, 0xb8, 0x78, 0x60, 0x0a, 0x43, 0x22,
+	0x03, 0x5c, 0x05, 0x98, 0x8c, 0xec, 0xb9, 0xd8, 0x20, 0x8e, 0x12, 0x32, 0xe5, 0x62, 0x83, 0x38,
+	0x4c, 0x48, 0x44, 0x0f, 0x4b, 0x90, 0x48, 0x89, 0x62, 0x75, 0x7d, 0x12, 0x1b, 0x38, 0x1c, 0x8d,
+	0x01, 0x01, 0x00, 0x00, 0xff, 0xff, 0x31, 0x87, 0x8e, 0xe7, 0x57, 0x01, 0x00, 0x00,
 }
diff --git a/backend/srv/avatar/proto/avatar.proto b/backend/srv/avatar/proto/avatar.proto
index 5c7cdb9..96bbc61 100644
--- a/backend/srv/avatar/proto/avatar.proto
+++ b/backend/srv/avatar/proto/avatar.proto
@@ -14,8 +14,7 @@ message AvatarCreateResponse {
         UNKNOWN = 0;
         INVALID_PARAM = -1;
         SUCCESS = 1;
-        NOT_FOUND = 2;
-        INVALID_TYPE = 3;
+        INVALID_TYPE = 2;
     }
     Status status = 1;
     string avatarID = 2;
diff --git a/backend/srv/buyinfo/main.go b/backend/srv/buyinfo/main.go
index 5b46777..42b8e98 100644
--- a/backend/srv/buyinfo/main.go
+++ b/backend/srv/buyinfo/main.go
@@ -59,7 +59,7 @@ func (a *srv) Query(ctx context.Context, req *buyinfo.BuyInfoQueryRequest, rsp *
 	}
 
 	rsp.BuyInfoID = info.ID
-	rsp.Status = buyinfo.BuyStatus(info.Status)
+	rsp.Status = buyinfo.BuyStatus(utils.EnumConvert(info.Status, buyinfo.BuyStatus_name))
 	rsp.ReleaseTime = info.ReleaseTime.Unix()
 	rsp.ValidTime = info.ValidTime.Unix()
 	rsp.GoodName = good.GoodName
@@ -249,7 +249,7 @@ func (a *srv) Find(ctx context.Context, req *buyinfo.BuyInfoFindRequest, rsp *bu
 	for _, v := range res {
 		rsp.BuyInfo = append(rsp.BuyInfo, &buyinfo.BuyInfoMsg{
 			BuyInfoID:   v.BuyInfoID,
-			Status:      buyinfo.BuyStatus(v.Status),
+			Status:      buyinfo.BuyStatus(utils.EnumConvert(v.Status, buyinfo.BuyStatus_name)),
 			ReleaseTime: v.ReleaseTime.Unix(),
 			ValidTime:   v.ValidTime.Unix(),
 			GoodName:    v.GoodName,
diff --git a/backend/srv/buyinfo/main_test.go b/backend/srv/buyinfo/main_test.go
index f6ce6fb..0e0e535 100644
--- a/backend/srv/buyinfo/main_test.go
+++ b/backend/srv/buyinfo/main_test.go
@@ -15,22 +15,22 @@ func TestSrvInfoQuery(t *testing.T) {
 	var req buyinfo.BuyInfoQueryRequest
 
 	info := db.BuyInfo{
-		ID:          2100,
+		ID:          1100,
 		ReleaseTime: time.Date(2019, 9, 9, 9, 9, 9, 0, time.Local),
 		ValidTime:   time.Date(2020, 9, 9, 9, 9, 9, 0, time.Local),
 		UserID:      1000,
-		GoodID:      2101,
+		GoodID:      2110,
 	}
 	good := db.Good{
-		ID:          2101,
+		ID:          2110,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
-	tf := func(buyID int, contentID string, userID int) {
+	tf := func(sellID int, contentID string, userID int) {
 		var rsp buyinfo.BuyInfoMsg
 		So(s.Query(context.TODO(), &req, &rsp), ShouldBeNil)
-		So(rsp.BuyInfoID, ShouldEqual, buyID)
+		So(rsp.BuyInfoID, ShouldEqual, sellID)
 		So(rsp.ContentID, ShouldEqual, contentID)
 		So(rsp.UserID, ShouldEqual, userID)
 	}
@@ -40,17 +40,16 @@ func TestSrvInfoQuery(t *testing.T) {
 		So(db.Ormer.Create(&good).Error, ShouldBeNil)
 		So(db.Ormer.Create(&info).Error, ShouldBeNil)
 		defer func() {
-			So(db.Ormer.Delete(&db.Good{ID: 2101}).Error, ShouldBeNil)
-			So(db.Ormer.Delete(&db.BuyInfo{ID: 2100}).Error, ShouldBeNil)
+			So(db.Ormer.Delete(&db.Good{ID: 2110}).Error, ShouldBeNil)
+			So(db.Ormer.Delete(&db.BuyInfo{ID: 1100}).Error, ShouldBeNil)
 		}()
 
-		req.BuyInfoID = 2100
-		tf(2100, "123456789", 1000)
+		req.BuyInfoID = 1100
+		tf(1100, "012345678901234567890123", 1000)
 
-		req.BuyInfoID = 2101
+		req.BuyInfoID = 1101
 		tf(0, "", 0)
 	})
-
 }
 
 func TestSrvInfoCreate(t *testing.T) {
@@ -62,7 +61,7 @@ func TestSrvInfoFind(t *testing.T) {
 	var req buyinfo.BuyInfoFindRequest
 
 	info1 := db.BuyInfo{
-		ID:          2000,
+		ID:          1000,
 		Status:      1,
 		ReleaseTime: time.Date(2019, 9, 9, 9, 9, 9, 0, time.Local),
 		ValidTime:   time.Date(2020, 9, 9, 9, 9, 9, 0, time.Local),
@@ -70,7 +69,7 @@ func TestSrvInfoFind(t *testing.T) {
 		GoodID:      2010,
 	}
 	info2 := db.BuyInfo{
-		ID:          2001,
+		ID:          1001,
 		Status:      2,
 		ReleaseTime: time.Date(2019, 9, 9, 9, 9, 9, 0, time.Local),
 		ValidTime:   time.Date(2020, 9, 9, 9, 9, 9, 0, time.Local),
@@ -78,7 +77,7 @@ func TestSrvInfoFind(t *testing.T) {
 		GoodID:      2011,
 	}
 	info3 := db.BuyInfo{
-		ID:          2002,
+		ID:          1002,
 		Status:      3,
 		ReleaseTime: time.Date(2019, 9, 9, 9, 9, 9, 0, time.Local),
 		ValidTime:   time.Date(2020, 9, 9, 9, 9, 9, 0, time.Local),
@@ -89,19 +88,19 @@ func TestSrvInfoFind(t *testing.T) {
 		ID:          2010,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
 	good2 := db.Good{
 		ID:          2011,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
 	good3 := db.Good{
 		ID:          2012,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
 
 	prepare := func() {
@@ -113,9 +112,9 @@ func TestSrvInfoFind(t *testing.T) {
 		So(db.Ormer.Create(&info3).Error, ShouldBeNil)
 	}
 	end := func() {
-		So(db.Ormer.Delete(&db.BuyInfo{ID: 2000}).Error, ShouldBeNil)
-		So(db.Ormer.Delete(&db.BuyInfo{ID: 2001}).Error, ShouldBeNil)
-		So(db.Ormer.Delete(&db.BuyInfo{ID: 2002}).Error, ShouldBeNil)
+		So(db.Ormer.Delete(&db.BuyInfo{ID: 1000}).Error, ShouldBeNil)
+		So(db.Ormer.Delete(&db.BuyInfo{ID: 1001}).Error, ShouldBeNil)
+		So(db.Ormer.Delete(&db.BuyInfo{ID: 1002}).Error, ShouldBeNil)
 
 		So(db.Ormer.Delete(&db.Good{ID: 2010}).Error, ShouldBeNil)
 		So(db.Ormer.Delete(&db.Good{ID: 2011}).Error, ShouldBeNil)
diff --git a/backend/srv/buyinfo/mock/mock.go b/backend/srv/buyinfo/mock/mock.go
index 18a4214..28d65be 100644
--- a/backend/srv/buyinfo/mock/mock.go
+++ b/backend/srv/buyinfo/mock/mock.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	buyinfo "jiaojiao/srv/buyinfo/proto"
+	"jiaojiao/utils"
 
 	"github.com/micro/go-micro/client"
 )
@@ -13,14 +14,15 @@ type mockSrv struct{}
 // Find is buyinfo create mock
 func (a *mockSrv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest, opts ...client.CallOption) (*buyinfo.BuyInfoCreateResponse, error) {
 	var rsp buyinfo.BuyInfoCreateResponse
-	if req.ValidTime == 0 || req.GoodName == "" || req.UserID == 0 {
+	if !utils.RequireParam(req.ValidTime, req.GoodName, req.UserID) {
 		rsp.Status = buyinfo.BuyInfoCreateResponse_INVALID_PARAM
 		return &rsp, nil
 	}
-	if req.ContentID == "" && req.ContentToken == "" {
+
+	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) {
 		rsp.Status = buyinfo.BuyInfoCreateResponse_SUCCESS
 		rsp.BuyInfoID = 1000
-	} else if req.ContentID != "" && req.ContentToken != "" {
+	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) {
 		if req.ContentID == "error" {
 			return nil, errors.New("")
 		}
@@ -39,15 +41,15 @@ func (a *mockSrv) Create(ctx context.Context, req *buyinfo.BuyInfoCreateRequest,
 // Find is buyinfo query mock
 func (a *mockSrv) Query(ctx context.Context, req *buyinfo.BuyInfoQueryRequest, opts ...client.CallOption) (*buyinfo.BuyInfoMsg, error) {
 	var rsp buyinfo.BuyInfoMsg
-	if req.BuyInfoID != 0 {
+	if utils.RequireParam(req.BuyInfoID) {
 		if req.BuyInfoID == 1000 {
 			rsp.BuyInfoID = 1000
 			rsp.GoodName = "good"
 			rsp.ValidTime = 1234567890
 			rsp.Description = "very good!"
-			rsp.ContentID = "123456789abc123456789abc"
+			rsp.ContentID = "012345678901234567890123"
 			rsp.UserID = 1000
-		} else if req.BuyInfoID == 2000 {
+		} else if req.BuyInfoID == 3000 {
 			return nil, errors.New("")
 		}
 	}
diff --git a/backend/srv/content/main_test.go b/backend/srv/content/main_test.go
index 2ad21c8..847d501 100644
--- a/backend/srv/content/main_test.go
+++ b/backend/srv/content/main_test.go
@@ -30,12 +30,12 @@ func TestSrvContentCreate(t *testing.T) {
 		req.Content = []byte{0}
 		tf(content.ContentCreateResponse_INVALID_PARAM, false)
 
-		req.Type = content.ContentCreateRequest_PICTURE
+		req.Type = content.Type_PICTURE
 		tf(content.ContentCreateResponse_INVALID_PARAM, false)
 		req.Type = 0
 		req.Content = []byte{1, 2, 3, 4, 5, 6}
 		tf(content.ContentCreateResponse_INVALID_PARAM, false)
-		req.Type = content.ContentCreateRequest_PICTURE
+		req.Type = content.Type_PICTURE
 		req.ContentID = "1234"
 		tf(content.ContentCreateResponse_INVALID_PARAM, false)
 		req.ContentID = ""
diff --git a/backend/srv/content/mock/mock.go b/backend/srv/content/mock/mock.go
index 109c9c4..a90ac04 100644
--- a/backend/srv/content/mock/mock.go
+++ b/backend/srv/content/mock/mock.go
@@ -1,10 +1,10 @@
 package mock
 
 import (
-	"bytes"
 	"context"
 	"errors"
 	content "jiaojiao/srv/content/proto"
+	"jiaojiao/utils"
 
 	"github.com/micro/go-micro/client"
 )
@@ -35,11 +35,11 @@ func (a *mockSrv) Check(ctx context.Context, in *content.ContentCheckRequest, op
 // Create is content create mock
 func (a *mockSrv) Create(ctx context.Context, req *content.ContentCreateRequest, opts ...client.CallOption) (*content.ContentCreateResponse, error) {
 	var rsp content.ContentCreateResponse
-	if bytes.Equal(req.Content, []byte{0}) || req.Type == 0 {
+	if !utils.RequireParam(req.Content, req.Type) {
 		rsp.Status = content.ContentCreateResponse_INVALID_PARAM
-	} else if req.ContentID == "" && req.ContentToken == "" {
+	} else if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) {
 		rsp.Status = content.ContentCreateResponse_SUCCESS
-	} else if req.ContentID != "" && req.ContentToken != "" {
+	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) {
 		if req.ContentID == "invalid" {
 			rsp.Status = content.ContentCreateResponse_INVALID_TYPE
 			return &rsp, nil
@@ -61,20 +61,21 @@ func (a *mockSrv) Create(ctx context.Context, req *content.ContentCreateRequest,
 // Delete is content delete mock
 func (a *mockSrv) Delete(ctx context.Context, req *content.ContentDeleteRequest, opts ...client.CallOption) (*content.ContentDeleteResponse, error) {
 	var rsp content.ContentDeleteResponse
-	if req.ContentID == "" || req.ContentToken == "" {
+	if !utils.RequireParam(req.ContentID, req.ContentToken) {
 		rsp.Status = content.ContentDeleteResponse_INVALID_PARAM
-	} else {
-		if req.ContentID == "1000" {
-			if req.ContentToken == "valid_token" {
-				rsp.Status = content.ContentDeleteResponse_SUCCESS
-			} else {
-				rsp.Status = content.ContentDeleteResponse_INVALID_TOKEN
-			}
-		} else if req.ContentID == "2000" {
-			return nil, errors.New("")
+		return &rsp, nil
+	}
+
+	if req.ContentID == "012345678901234567890123" {
+		if req.ContentToken == "valid_token" {
+			rsp.Status = content.ContentDeleteResponse_SUCCESS
 		} else {
 			rsp.Status = content.ContentDeleteResponse_INVALID_TOKEN
 		}
+	} else if req.ContentID == "987654321098765432109876" {
+		return nil, errors.New("")
+	} else {
+		rsp.Status = content.ContentDeleteResponse_INVALID_TOKEN
 	}
 	return &rsp, nil
 }
diff --git a/backend/srv/file/mock/mock.go b/backend/srv/file/mock/mock.go
index 19d8362..5755bd9 100644
--- a/backend/srv/file/mock/mock.go
+++ b/backend/srv/file/mock/mock.go
@@ -2,7 +2,9 @@ package mock
 
 import (
 	"context"
+	"errors"
 	file "jiaojiao/srv/file/proto"
+	"jiaojiao/utils"
 
 	"github.com/micro/go-micro/client"
 )
@@ -10,23 +12,44 @@ import (
 type mockFileSrv struct{}
 
 // Create is file create mock
-func (a *mockFileSrv) Create(ctx context.Context, in *file.FileCreateRequest, opts ...client.CallOption) (*file.FileCreateResponse, error) {
+func (a *mockFileSrv) Create(ctx context.Context, req *file.FileCreateRequest, opts ...client.CallOption) (*file.FileCreateResponse, error) {
 	var rsp file.FileCreateResponse
-	// TODO
+	if !utils.RequireParam(req.File) {
+		rsp.Status = file.FileCreateResponse_INVALID_PARAM
+		return &rsp, nil
+	}
+
+	if string(req.File) == "error" {
+		return nil, errors.New("")
+	}
+
+	rsp.Status = file.FileCreateResponse_SUCCESS
+	rsp.FileID = "012345678901234567891234"
 	return &rsp, nil
 }
 
 // Query is file query mock
-func (a *mockFileSrv) Query(ctx context.Context, in *file.FileRequest, opts ...client.CallOption) (*file.FileQueryResponse, error) {
+func (a *mockFileSrv) Query(ctx context.Context, req *file.FileRequest, opts ...client.CallOption) (*file.FileQueryResponse, error) {
 	var rsp file.FileQueryResponse
 	// TODO
 	return &rsp, nil
 }
 
 // Delete is file delete mock
-func (a *mockFileSrv) Delete(ctx context.Context, in *file.FileRequest, opts ...client.CallOption) (*file.FileDeleteResponse, error) {
+func (a *mockFileSrv) Delete(ctx context.Context, req *file.FileRequest, opts ...client.CallOption) (*file.FileDeleteResponse, error) {
 	var rsp file.FileDeleteResponse
-	// TODO
+	if !utils.RequireParam(req.FileID) {
+		rsp.Status = file.FileDeleteResponse_INVALID_PARAM
+		return &rsp, nil
+	}
+
+	if req.FileID == "012345678901234567891234" {
+		rsp.Status = file.FileDeleteResponse_SUCCESS
+	} else if req.FileID == "987654321098765432109876" {
+		return nil, errors.New("")
+	} else {
+		rsp.Status = file.FileDeleteResponse_NOT_FOUND
+	}
 	return &rsp, nil
 }
 
diff --git a/backend/srv/sellinfo/main.go b/backend/srv/sellinfo/main.go
index 879d095..9687de1 100644
--- a/backend/srv/sellinfo/main.go
+++ b/backend/srv/sellinfo/main.go
@@ -60,7 +60,7 @@ func (a *srv) Query(ctx context.Context, req *sellinfo.SellInfoQueryRequest, rsp
 	}
 
 	rsp.SellInfoID = info.ID
-	rsp.Status = sellinfo.SellStatus(info.Status)
+	rsp.Status = sellinfo.SellStatus(utils.EnumConvert(info.Status, sellinfo.SellStatus_name))
 	rsp.ReleaseTime = info.ReleaseTime.Unix()
 	rsp.ValidTime = info.ValidTime.Unix()
 	rsp.GoodName = good.GoodName
@@ -250,7 +250,7 @@ func (a *srv) Find(ctx context.Context, req *sellinfo.SellInfoFindRequest, rsp *
 	for _, v := range res {
 		rsp.SellInfo = append(rsp.SellInfo, &sellinfo.SellInfoMsg{
 			SellInfoID:  v.SellInfoID,
-			Status:      sellinfo.SellStatus(v.Status),
+			Status:      sellinfo.SellStatus(utils.EnumConvert(v.Status, sellinfo.SellStatus_name)),
 			ReleaseTime: v.ReleaseTime.Unix(),
 			ValidTime:   v.ValidTime.Unix(),
 			GoodName:    v.GoodName,
diff --git a/backend/srv/sellinfo/main_test.go b/backend/srv/sellinfo/main_test.go
index 477f0be..839c2dd 100644
--- a/backend/srv/sellinfo/main_test.go
+++ b/backend/srv/sellinfo/main_test.go
@@ -19,13 +19,13 @@ func TestSrvInfoQuery(t *testing.T) {
 		ReleaseTime: time.Date(2019, 9, 9, 9, 9, 9, 0, time.Local),
 		ValidTime:   time.Date(2020, 9, 9, 9, 9, 9, 0, time.Local),
 		UserID:      1000,
-		GoodID:      1101,
+		GoodID:      1110,
 	}
 	good := db.Good{
-		ID:          1101,
+		ID:          1110,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
 	tf := func(sellID int, contentID string, userID int) {
 		var rsp sellinfo.SellInfoMsg
@@ -40,12 +40,12 @@ func TestSrvInfoQuery(t *testing.T) {
 		So(db.Ormer.Create(&good).Error, ShouldBeNil)
 		So(db.Ormer.Create(&info).Error, ShouldBeNil)
 		defer func() {
-			So(db.Ormer.Delete(&db.Good{ID: 1101}).Error, ShouldBeNil)
+			So(db.Ormer.Delete(&db.Good{ID: 1110}).Error, ShouldBeNil)
 			So(db.Ormer.Delete(&db.SellInfo{ID: 1100}).Error, ShouldBeNil)
 		}()
 
 		req.SellInfoID = 1100
-		tf(1100, "123456789", 1000)
+		tf(1100, "012345678901234567890123", 1000)
 
 		req.SellInfoID = 1101
 		tf(0, "", 0)
@@ -54,80 +54,6 @@ func TestSrvInfoQuery(t *testing.T) {
 
 func TestSrvInfoCreate(t *testing.T) {
 	// TODO
-	//var s srv
-	//var req sellinfo.SellInfoCreateRequest
-	//srv := utils.CallMicroService("content", func(name string, c client.Client) interface{} { return content.NewContentService(name, c) },
-	//	func() interface{} { return mock.NewContentService() }).(content.ContentService)
-	//
-	//getToken := func() (string, string) {
-	//	rsp, err := srv.Create(context.TODO(), &content.ContentCreateRequest{
-	//		Content: []byte{1, 2, 3, 4, 5, 6},
-	//		Type:    content.ContentCreateRequest_PICTURE,
-	//	})
-	//	So(err, ShouldBeNil)
-	//	So(rsp.Status, ShouldEqual, content.ContentCreateResponse_SUCCESS)
-	//	So(rsp.ContentID, ShouldNotBeBlank)
-	//	So(rsp.ContentToken, ShouldNotBeBlank)
-	//
-	//	return rsp.ContentID, rsp.ContentToken
-	//}
-	//
-	//tf := func(status sellinfo.SellInfoCreateResponse_Status, success bool) int32 {
-	//	var rsp sellinfo.SellInfoCreateResponse
-	//	So(s.Create(context.TODO(), &req, &rsp), ShouldBeNil)
-	//	So(rsp.Status, ShouldEqual, status)
-	//	if success {
-	//		So(rsp.SellInfoID, ShouldNotEqual, 0)
-	//	} else {
-	//		So(rsp.SellInfoID, ShouldEqual, 0)
-	//	}
-	//	return rsp.SellInfoID
-	//}
-	//
-	//Convey("Test SellInfo Create", t, func() {
-	//	tf(sellinfo.SellInfoCreateResponse_INVALID_PARAM, false)
-	//
-	//	req.GoodName = "good"
-	//	tf(sellinfo.SellInfoCreateResponse_INVALID_PARAM, false)
-	//
-	//	req.ValidTime = 1893427200
-	//	tf(sellinfo.SellInfoCreateResponse_INVALID_PARAM, false)
-	//
-	//	req.FromUserID = 1000
-	//	id := tf(sellinfo.SellInfoCreateResponse_SUCCESS, true)
-	//
-	//	tmp := db.SellInfo{
-	//		ID: id,
-	//	}
-	//	So(db.Ormer.First(&tmp).Error, ShouldBeNil)
-	//	So(db.Ormer.Delete(&db.Good{ID: tmp.GoodID}).Error, ShouldBeNil)
-	//	So(db.Ormer.Delete(&tmp).Error, ShouldBeNil)
-	//
-	//	req.ContentID = "123456789abc123456789abc"
-	//	tf(sellinfo.SellInfoCreateResponse_INVALID_PARAM, false)
-	//
-	//	req.ContentToken = "jlkfjaoiu2709429-98247ksf"
-	//	tf(sellinfo.SellInfoCreateResponse_INVALID_TOKEN, false)
-	//
-	//	req.ContentID = "1234"
-	//	tf(sellinfo.SellInfoCreateResponse_INVALID_PARAM, false)
-	//
-	//	req.ContentID, req.ContentToken = getToken()
-	//	id = tf(sellinfo.SellInfoCreateResponse_SUCCESS, true)
-	//
-	//	tmp = db.SellInfo{
-	//		ID: id,
-	//	}
-	//	So(db.Ormer.First(&tmp).Error, ShouldBeNil)
-	//	So(db.Ormer.Delete(&db.Good{ID: tmp.GoodID}).Error, ShouldBeNil)
-	//	So(db.Ormer.Delete(&tmp).Error, ShouldBeNil)
-	//
-	//	_, err := srv.Delete(context.TODO(), &content.ContentDeleteRequest{
-	//		ContentID:    req.ContentID,
-	//		ContentToken: req.ContentToken,
-	//	})
-	//	So(err, ShouldBeNil)
-	//})
 }
 
 func TestSrvInfoFind(t *testing.T) {
@@ -162,19 +88,19 @@ func TestSrvInfoFind(t *testing.T) {
 		ID:          1010,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
 	good2 := db.Good{
 		ID:          1011,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
 	good3 := db.Good{
 		ID:          1012,
 		GoodName:    "good",
 		Description: "Very good!",
-		ContentID:   "123456789",
+		ContentID:   "012345678901234567890123",
 	}
 
 	prepare := func() {
diff --git a/backend/srv/sellinfo/mock/mock.go b/backend/srv/sellinfo/mock/mock.go
index 72fb8e3..80523ae 100644
--- a/backend/srv/sellinfo/mock/mock.go
+++ b/backend/srv/sellinfo/mock/mock.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	sellinfo "jiaojiao/srv/sellinfo/proto"
+	"jiaojiao/utils"
 
 	"github.com/micro/go-micro/client"
 )
@@ -13,14 +14,15 @@ type mockSrv struct{}
 // Create is sellinfo create mock
 func (a *mockSrv) Create(ctx context.Context, req *sellinfo.SellInfoCreateRequest, opts ...client.CallOption) (*sellinfo.SellInfoCreateResponse, error) {
 	var rsp sellinfo.SellInfoCreateResponse
-	if req.ValidTime == 0 || req.GoodName == "" || req.UserID == 0 {
+	if !utils.RequireParam(req.ValidTime, req.GoodName, req.UserID) {
 		rsp.Status = sellinfo.SellInfoCreateResponse_INVALID_PARAM
 		return &rsp, nil
 	}
-	if req.ContentID == "" && req.ContentToken == "" {
+
+	if utils.IsEmpty(req.ContentID) && utils.IsEmpty(req.ContentToken) {
 		rsp.Status = sellinfo.SellInfoCreateResponse_SUCCESS
 		rsp.SellInfoID = 1000
-	} else if req.ContentID != "" && req.ContentToken != "" {
+	} else if !utils.IsEmpty(req.ContentID) && !utils.IsEmpty(req.ContentToken) {
 		if req.ContentID == "error" {
 			return nil, errors.New("")
 		}
@@ -39,15 +41,15 @@ func (a *mockSrv) Create(ctx context.Context, req *sellinfo.SellInfoCreateReques
 // Query is sellinfo query mock
 func (a *mockSrv) Query(ctx context.Context, req *sellinfo.SellInfoQueryRequest, opts ...client.CallOption) (*sellinfo.SellInfoMsg, error) {
 	var rsp sellinfo.SellInfoMsg
-	if req.SellInfoID != 0 {
+	if utils.RequireParam(req.SellInfoID) {
 		if req.SellInfoID == 1000 {
 			rsp.SellInfoID = 1000
 			rsp.GoodName = "good"
 			rsp.ValidTime = 1234567890
 			rsp.Description = "very good!"
-			rsp.ContentID = "123456789abc123456789abc"
+			rsp.ContentID = "012345678901234567890123"
 			rsp.UserID = 1000
-		} else if req.SellInfoID == 2000 {
+		} else if req.SellInfoID == 3000 {
 			return nil, errors.New("")
 		}
 	}
diff --git a/backend/srv/transaction/main.go b/backend/srv/transaction/main.go
index 1689f8d..a1b1e08 100644
--- a/backend/srv/transaction/main.go
+++ b/backend/srv/transaction/main.go
@@ -38,7 +38,7 @@ func (a *srv) Create(ctx context.Context, req *transaction.TransactionCreateRequ
 	}
 
 	var toUserID int32
-	if req.Category == transaction.TransactionCreateRequest_SELL {
+	if req.Category == transaction.Category_SELL {
 		microSrv := utils.CallMicroService("sellInfo", func(name string, c client.Client) interface{} { return sellinfo.NewSellInfoService(name, c) },
 			func() interface{} { return mocksell.NewSellInfoService() }).(sellinfo.SellInfoService)
 		srvRsp, err := microSrv.Query(context.TODO(), &sellinfo.SellInfoQueryRequest{
@@ -164,7 +164,7 @@ func (a *srv) Find(ctx context.Context, req *transaction.TransactionFindRequest,
 	if req.InfoID != 0 {
 		tx = tx.Where("info_id = ?", req.InfoID)
 	}
-	if req.Category != transaction.TransactionFindRequest_CATEGORY_UNKNOWN {
+	if req.Category != transaction.Category_CATEGORY_UNKNOWN {
 		tx = tx.Where("category = ?", int32(req.Category))
 	}
 	if req.UserID != 0 {
@@ -189,11 +189,11 @@ func (a *srv) Find(ctx context.Context, req *transaction.TransactionFindRequest,
 		rsp.Transactions = append(rsp.Transactions, &transaction.TransactionMsg{
 			TransactionID: v.ID,
 			InfoID:        v.InfoID,
-			Category:      transaction.TransactionMsg_Category(v.Category),
+			Category:      transaction.Category(utils.EnumConvert(v.Category, transaction.Category_name)),
 			FromUserID:    v.FromUserID,
 			ToUserID:      v.ToUserID,
 			CreateTime:    v.CreateTime.Unix(),
-			Status:        transaction.TransStatus(v.Status),
+			Status:        transaction.TransStatus(utils.EnumConvert(v.Status, transaction.TransStatus_name)),
 		})
 	}
 	rsp.Status = transaction.TransactionFindResponse_SUCCESS
diff --git a/backend/srv/transaction/proto/transaction.pb.go b/backend/srv/transaction/proto/transaction.pb.go
index 876f62a..a21b0b4 100644
--- a/backend/srv/transaction/proto/transaction.pb.go
+++ b/backend/srv/transaction/proto/transaction.pb.go
@@ -60,32 +60,32 @@ func (TransStatus) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_2cc4e03d2c28c490, []int{0}
 }
 
-type TransactionCreateRequest_Category int32
+type Category int32
 
 const (
-	TransactionCreateRequest_UNKNOWN TransactionCreateRequest_Category = 0
-	TransactionCreateRequest_SELL    TransactionCreateRequest_Category = 1
-	TransactionCreateRequest_BUY     TransactionCreateRequest_Category = 2
+	Category_CATEGORY_UNKNOWN Category = 0
+	Category_SELL             Category = 1
+	Category_BUY              Category = 2
 )
 
-var TransactionCreateRequest_Category_name = map[int32]string{
-	0: "UNKNOWN",
+var Category_name = map[int32]string{
+	0: "CATEGORY_UNKNOWN",
 	1: "SELL",
 	2: "BUY",
 }
 
-var TransactionCreateRequest_Category_value = map[string]int32{
-	"UNKNOWN": 0,
-	"SELL":    1,
-	"BUY":     2,
+var Category_value = map[string]int32{
+	"CATEGORY_UNKNOWN": 0,
+	"SELL":             1,
+	"BUY":              2,
 }
 
-func (x TransactionCreateRequest_Category) String() string {
-	return proto.EnumName(TransactionCreateRequest_Category_name, int32(x))
+func (x Category) String() string {
+	return proto.EnumName(Category_name, int32(x))
 }
 
-func (TransactionCreateRequest_Category) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_2cc4e03d2c28c490, []int{0, 0}
+func (Category) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_2cc4e03d2c28c490, []int{1}
 }
 
 type TransactionCreateResponse_Status int32
@@ -150,62 +150,6 @@ func (TransactionUpdateResponse_Status) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_2cc4e03d2c28c490, []int{3, 0}
 }
 
-type TransactionMsg_Category int32
-
-const (
-	TransactionMsg_CATEGORY_UNKNOWN TransactionMsg_Category = 0
-	TransactionMsg_SELL             TransactionMsg_Category = 1
-	TransactionMsg_BUY              TransactionMsg_Category = 2
-)
-
-var TransactionMsg_Category_name = map[int32]string{
-	0: "CATEGORY_UNKNOWN",
-	1: "SELL",
-	2: "BUY",
-}
-
-var TransactionMsg_Category_value = map[string]int32{
-	"CATEGORY_UNKNOWN": 0,
-	"SELL":             1,
-	"BUY":              2,
-}
-
-func (x TransactionMsg_Category) String() string {
-	return proto.EnumName(TransactionMsg_Category_name, int32(x))
-}
-
-func (TransactionMsg_Category) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_2cc4e03d2c28c490, []int{4, 0}
-}
-
-type TransactionFindRequest_Category int32
-
-const (
-	TransactionFindRequest_CATEGORY_UNKNOWN TransactionFindRequest_Category = 0
-	TransactionFindRequest_SELL             TransactionFindRequest_Category = 1
-	TransactionFindRequest_BUY              TransactionFindRequest_Category = 2
-)
-
-var TransactionFindRequest_Category_name = map[int32]string{
-	0: "CATEGORY_UNKNOWN",
-	1: "SELL",
-	2: "BUY",
-}
-
-var TransactionFindRequest_Category_value = map[string]int32{
-	"CATEGORY_UNKNOWN": 0,
-	"SELL":             1,
-	"BUY":              2,
-}
-
-func (x TransactionFindRequest_Category) String() string {
-	return proto.EnumName(TransactionFindRequest_Category_name, int32(x))
-}
-
-func (TransactionFindRequest_Category) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_2cc4e03d2c28c490, []int{5, 0}
-}
-
 type TransactionFindResponse_Status int32
 
 const (
@@ -238,12 +182,12 @@ func (TransactionFindResponse_Status) EnumDescriptor() ([]byte, []int) {
 }
 
 type TransactionCreateRequest struct {
-	InfoID               int32                             `protobuf:"varint,1,opt,name=infoID,proto3" json:"infoID,omitempty"`
-	Category             TransactionCreateRequest_Category `protobuf:"varint,2,opt,name=category,proto3,enum=TransactionCreateRequest_Category" json:"category,omitempty"`
-	FromUserID           int32                             `protobuf:"varint,3,opt,name=fromUserID,proto3" json:"fromUserID,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                          `json:"-"`
-	XXX_unrecognized     []byte                            `json:"-"`
-	XXX_sizecache        int32                             `json:"-"`
+	InfoID               int32    `protobuf:"varint,1,opt,name=infoID,proto3" json:"infoID,omitempty"`
+	Category             Category `protobuf:"varint,2,opt,name=category,proto3,enum=Category" json:"category,omitempty"`
+	FromUserID           int32    `protobuf:"varint,3,opt,name=fromUserID,proto3" json:"fromUserID,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *TransactionCreateRequest) Reset()         { *m = TransactionCreateRequest{} }
@@ -278,11 +222,11 @@ func (m *TransactionCreateRequest) GetInfoID() int32 {
 	return 0
 }
 
-func (m *TransactionCreateRequest) GetCategory() TransactionCreateRequest_Category {
+func (m *TransactionCreateRequest) GetCategory() Category {
 	if m != nil {
 		return m.Category
 	}
-	return TransactionCreateRequest_UNKNOWN
+	return Category_CATEGORY_UNKNOWN
 }
 
 func (m *TransactionCreateRequest) GetFromUserID() int32 {
@@ -426,16 +370,16 @@ func (m *TransactionUpdateResponse) GetStatus() TransactionUpdateResponse_Status
 }
 
 type TransactionMsg struct {
-	TransactionID        int32                   `protobuf:"varint,1,opt,name=transactionID,proto3" json:"transactionID,omitempty"`
-	InfoID               int32                   `protobuf:"varint,2,opt,name=infoID,proto3" json:"infoID,omitempty"`
-	Category             TransactionMsg_Category `protobuf:"varint,3,opt,name=category,proto3,enum=TransactionMsg_Category" json:"category,omitempty"`
-	FromUserID           int32                   `protobuf:"varint,4,opt,name=fromUserID,proto3" json:"fromUserID,omitempty"`
-	ToUserID             int32                   `protobuf:"varint,5,opt,name=toUserID,proto3" json:"toUserID,omitempty"`
-	CreateTime           int64                   `protobuf:"varint,6,opt,name=createTime,proto3" json:"createTime,omitempty"`
-	Status               TransStatus             `protobuf:"varint,7,opt,name=status,proto3,enum=TransStatus" json:"status,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                `json:"-"`
-	XXX_unrecognized     []byte                  `json:"-"`
-	XXX_sizecache        int32                   `json:"-"`
+	TransactionID        int32       `protobuf:"varint,1,opt,name=transactionID,proto3" json:"transactionID,omitempty"`
+	InfoID               int32       `protobuf:"varint,2,opt,name=infoID,proto3" json:"infoID,omitempty"`
+	Category             Category    `protobuf:"varint,3,opt,name=category,proto3,enum=Category" json:"category,omitempty"`
+	FromUserID           int32       `protobuf:"varint,4,opt,name=fromUserID,proto3" json:"fromUserID,omitempty"`
+	ToUserID             int32       `protobuf:"varint,5,opt,name=toUserID,proto3" json:"toUserID,omitempty"`
+	CreateTime           int64       `protobuf:"varint,6,opt,name=createTime,proto3" json:"createTime,omitempty"`
+	Status               TransStatus `protobuf:"varint,7,opt,name=status,proto3,enum=TransStatus" json:"status,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
+	XXX_unrecognized     []byte      `json:"-"`
+	XXX_sizecache        int32       `json:"-"`
 }
 
 func (m *TransactionMsg) Reset()         { *m = TransactionMsg{} }
@@ -477,11 +421,11 @@ func (m *TransactionMsg) GetInfoID() int32 {
 	return 0
 }
 
-func (m *TransactionMsg) GetCategory() TransactionMsg_Category {
+func (m *TransactionMsg) GetCategory() Category {
 	if m != nil {
 		return m.Category
 	}
-	return TransactionMsg_CATEGORY_UNKNOWN
+	return Category_CATEGORY_UNKNOWN
 }
 
 func (m *TransactionMsg) GetFromUserID() int32 {
@@ -513,17 +457,17 @@ func (m *TransactionMsg) GetStatus() TransStatus {
 }
 
 type TransactionFindRequest struct {
-	InfoID               int32                           `protobuf:"varint,1,opt,name=infoID,proto3" json:"infoID,omitempty"`
-	Category             TransactionFindRequest_Category `protobuf:"varint,2,opt,name=category,proto3,enum=TransactionFindRequest_Category" json:"category,omitempty"`
-	UserID               int32                           `protobuf:"varint,3,opt,name=userID,proto3" json:"userID,omitempty"`
-	LowCreateTime        int64                           `protobuf:"varint,4,opt,name=lowCreateTime,proto3" json:"lowCreateTime,omitempty"`
-	HighCreateTime       int64                           `protobuf:"varint,5,opt,name=highCreateTime,proto3" json:"highCreateTime,omitempty"`
-	Status               TransStatus                     `protobuf:"varint,6,opt,name=status,proto3,enum=TransStatus" json:"status,omitempty"`
-	Limit                uint32                          `protobuf:"varint,7,opt,name=limit,proto3" json:"limit,omitempty"`
-	Offset               uint32                          `protobuf:"varint,8,opt,name=offset,proto3" json:"offset,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                        `json:"-"`
-	XXX_unrecognized     []byte                          `json:"-"`
-	XXX_sizecache        int32                           `json:"-"`
+	InfoID               int32       `protobuf:"varint,1,opt,name=infoID,proto3" json:"infoID,omitempty"`
+	Category             Category    `protobuf:"varint,2,opt,name=category,proto3,enum=Category" json:"category,omitempty"`
+	UserID               int32       `protobuf:"varint,3,opt,name=userID,proto3" json:"userID,omitempty"`
+	LowCreateTime        int64       `protobuf:"varint,4,opt,name=lowCreateTime,proto3" json:"lowCreateTime,omitempty"`
+	HighCreateTime       int64       `protobuf:"varint,5,opt,name=highCreateTime,proto3" json:"highCreateTime,omitempty"`
+	Status               TransStatus `protobuf:"varint,6,opt,name=status,proto3,enum=TransStatus" json:"status,omitempty"`
+	Limit                uint32      `protobuf:"varint,7,opt,name=limit,proto3" json:"limit,omitempty"`
+	Offset               uint32      `protobuf:"varint,8,opt,name=offset,proto3" json:"offset,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
+	XXX_unrecognized     []byte      `json:"-"`
+	XXX_sizecache        int32       `json:"-"`
 }
 
 func (m *TransactionFindRequest) Reset()         { *m = TransactionFindRequest{} }
@@ -558,11 +502,11 @@ func (m *TransactionFindRequest) GetInfoID() int32 {
 	return 0
 }
 
-func (m *TransactionFindRequest) GetCategory() TransactionFindRequest_Category {
+func (m *TransactionFindRequest) GetCategory() Category {
 	if m != nil {
 		return m.Category
 	}
-	return TransactionFindRequest_CATEGORY_UNKNOWN
+	return Category_CATEGORY_UNKNOWN
 }
 
 func (m *TransactionFindRequest) GetUserID() int32 {
@@ -656,11 +600,9 @@ func (m *TransactionFindResponse) GetTransactions() []*TransactionMsg {
 
 func init() {
 	proto.RegisterEnum("TransStatus", TransStatus_name, TransStatus_value)
-	proto.RegisterEnum("TransactionCreateRequest_Category", TransactionCreateRequest_Category_name, TransactionCreateRequest_Category_value)
+	proto.RegisterEnum("Category", Category_name, Category_value)
 	proto.RegisterEnum("TransactionCreateResponse_Status", TransactionCreateResponse_Status_name, TransactionCreateResponse_Status_value)
 	proto.RegisterEnum("TransactionUpdateResponse_Status", TransactionUpdateResponse_Status_name, TransactionUpdateResponse_Status_value)
-	proto.RegisterEnum("TransactionMsg_Category", TransactionMsg_Category_name, TransactionMsg_Category_value)
-	proto.RegisterEnum("TransactionFindRequest_Category", TransactionFindRequest_Category_name, TransactionFindRequest_Category_value)
 	proto.RegisterEnum("TransactionFindResponse_Status", TransactionFindResponse_Status_name, TransactionFindResponse_Status_value)
 	proto.RegisterType((*TransactionCreateRequest)(nil), "TransactionCreateRequest")
 	proto.RegisterType((*TransactionCreateResponse)(nil), "TransactionCreateResponse")
@@ -674,46 +616,44 @@ func init() {
 func init() { proto.RegisterFile("transaction.proto", fileDescriptor_2cc4e03d2c28c490) }
 
 var fileDescriptor_2cc4e03d2c28c490 = []byte{
-	// 650 bytes of a gzipped FileDescriptorProto
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-	0xff, 0xff, 0x1c, 0x25, 0x89, 0x45, 0x65, 0x07, 0x00, 0x00,
+	// 622 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x55, 0xcd, 0x6e, 0x9b, 0x5c,
+	0x10, 0xfd, 0x2e, 0x7f, 0x21, 0x93, 0xd8, 0x1f, 0xbd, 0x8a, 0x12, 0xe2, 0x45, 0x9b, 0xa2, 0xb4,
+	0xb2, 0xb2, 0x60, 0xe1, 0x2c, 0xaa, 0xae, 0x2a, 0x0a, 0x24, 0xa2, 0x71, 0x20, 0x02, 0xd3, 0x2a,
+	0xab, 0xc8, 0x4d, 0x70, 0x82, 0x14, 0x1b, 0x17, 0xb0, 0xaa, 0x3c, 0x46, 0x1f, 0xa2, 0x2f, 0xd3,
+	0xee, 0xfb, 0x2a, 0x5d, 0xb6, 0xba, 0x80, 0xed, 0x7b, 0x6d, 0x53, 0x79, 0x61, 0xef, 0x66, 0x38,
+	0x77, 0x7e, 0xce, 0x9c, 0x19, 0xc3, 0xb3, 0x3c, 0xed, 0x8f, 0xb2, 0xfe, 0x6d, 0x1e, 0x27, 0x23,
+	0x7d, 0x9c, 0x26, 0x79, 0xa2, 0x3d, 0x81, 0xda, 0x9b, 0x3b, 0xcd, 0x34, 0xea, 0xe7, 0x91, 0x1f,
+	0x7d, 0x99, 0x44, 0x59, 0x8e, 0xf7, 0x41, 0x8a, 0x47, 0x83, 0xc4, 0xb1, 0x54, 0x74, 0x84, 0xda,
+	0xa2, 0x5f, 0x59, 0xf8, 0x15, 0xc8, 0xb7, 0xfd, 0x3c, 0xba, 0x4f, 0xd2, 0x27, 0x95, 0x3b, 0x42,
+	0xed, 0x66, 0x67, 0x5b, 0x37, 0x2b, 0x87, 0x3f, 0xfb, 0x84, 0x9f, 0x03, 0x0c, 0xd2, 0x64, 0x18,
+	0x66, 0x51, 0xea, 0x58, 0x2a, 0x5f, 0x84, 0xa0, 0x3c, 0xda, 0x4f, 0x04, 0x87, 0x2b, 0x72, 0x67,
+	0xe3, 0x64, 0x94, 0x45, 0xf8, 0x2d, 0x48, 0x59, 0xde, 0xcf, 0x27, 0x59, 0x91, 0xbc, 0xd9, 0x79,
+	0xa9, 0xd7, 0x62, 0xf5, 0xa0, 0x00, 0xfa, 0xd5, 0x03, 0x7c, 0x0c, 0x0d, 0xaa, 0x51, 0xc7, 0x2a,
+	0x8a, 0x14, 0x7d, 0xd6, 0xa9, 0x5d, 0x82, 0x54, 0xbe, 0xc3, 0x3b, 0xb0, 0x15, 0xba, 0x17, 0xae,
+	0xf7, 0xc9, 0x55, 0xfe, 0xc3, 0x2d, 0x68, 0x38, 0xee, 0x47, 0xa3, 0xeb, 0x58, 0x37, 0x57, 0x86,
+	0x6f, 0x5c, 0x2a, 0x7f, 0xa6, 0x3f, 0x44, 0x80, 0x41, 0x68, 0x9a, 0x76, 0x10, 0x28, 0x08, 0x37,
+	0x60, 0xdb, 0xf5, 0x7a, 0x37, 0x67, 0x5e, 0xe8, 0x5a, 0x0a, 0xa7, 0x0d, 0x18, 0x22, 0xc3, 0xf1,
+	0x1d, 0x45, 0xe4, 0x52, 0x41, 0x68, 0x45, 0x41, 0xf8, 0x78, 0xd6, 0x71, 0x49, 0xea, 0x6e, 0xd9,
+	0x31, 0xdb, 0x9c, 0xf6, 0x9d, 0x65, 0x6d, 0x9a, 0x68, 0x1d, 0xd6, 0x58, 0xec, 0x02, 0x6b, 0x9b,
+	0xe6, 0xe3, 0x37, 0x82, 0x26, 0x95, 0xfb, 0x32, 0xbb, 0x5f, 0x93, 0x86, 0xb9, 0xea, 0xb8, 0x5a,
+	0xd5, 0xf1, 0xeb, 0xaa, 0x4e, 0x58, 0x54, 0x1d, 0x6e, 0x81, 0x9c, 0x27, 0xd5, 0x57, 0xb1, 0xf8,
+	0x3a, 0xb3, 0xc9, 0xdb, 0xdb, 0x42, 0x59, 0xbd, 0x78, 0x18, 0xa9, 0xd2, 0x11, 0x6a, 0xf3, 0x3e,
+	0xe5, 0xa1, 0x26, 0xb4, 0xf5, 0x8f, 0x09, 0x7d, 0xe3, 0x60, 0x9f, 0xea, 0xfc, 0x2c, 0x1e, 0xdd,
+	0x6d, 0x68, 0xa3, 0xf6, 0x41, 0x9a, 0xd0, 0xdb, 0x54, 0x59, 0x84, 0xd8, 0xc7, 0xe4, 0xab, 0x39,
+	0x2f, 0x5d, 0x28, 0x4a, 0x67, 0x9d, 0xf8, 0x35, 0x34, 0x1f, 0xe2, 0xfb, 0x07, 0x0a, 0x26, 0x16,
+	0xb0, 0x05, 0x2f, 0xd5, 0xa5, 0x54, 0xdf, 0x25, 0xde, 0x03, 0xf1, 0x31, 0x1e, 0xc6, 0x79, 0x41,
+	0x45, 0xc3, 0x2f, 0x0d, 0x52, 0x61, 0x32, 0x18, 0x64, 0x51, 0xae, 0xca, 0x85, 0xbb, 0xb2, 0xb4,
+	0x5f, 0x08, 0x0e, 0x96, 0x38, 0xa9, 0x34, 0xfb, 0x66, 0x41, 0xb3, 0x2f, 0xf4, 0x1a, 0xe4, 0xe2,
+	0x9e, 0x9f, 0xc2, 0x2e, 0x25, 0x1d, 0xb2, 0x36, 0x7c, 0x7b, 0xa7, 0xf3, 0xbf, 0xce, 0xca, 0xce,
+	0x67, 0x40, 0x1b, 0x96, 0xf9, 0x49, 0x04, 0x3b, 0x14, 0x3b, 0x6c, 0x4c, 0x00, 0xc9, 0x08, 0x2e,
+	0x1c, 0xf7, 0x5c, 0x41, 0x78, 0x17, 0x64, 0xc3, 0x34, 0xed, 0xab, 0x9e, 0x6d, 0x29, 0x1c, 0xb1,
+	0x7c, 0xfb, 0x83, 0x6d, 0x12, 0x8b, 0x27, 0x38, 0xb3, 0xeb, 0x05, 0xb6, 0xa5, 0x08, 0x24, 0xc0,
+	0x95, 0xed, 0x5a, 0xe4, 0x91, 0x88, 0x65, 0x10, 0x2c, 0xcf, 0xb5, 0x15, 0xe9, 0xe4, 0x14, 0xe4,
+	0xa9, 0x1e, 0xf0, 0x1e, 0x28, 0xa6, 0xd1, 0xb3, 0xcf, 0x3d, 0xff, 0xfa, 0x66, 0x9e, 0x4c, 0x06,
+	0x21, 0xb0, 0xbb, 0x5d, 0x05, 0xe1, 0x2d, 0xe0, 0xdf, 0x87, 0xd7, 0x0a, 0xd7, 0xf9, 0x81, 0xaa,
+	0xe2, 0xca, 0xde, 0xf1, 0x3b, 0x90, 0xca, 0x31, 0xe3, 0x43, 0xbd, 0xee, 0xe8, 0xb7, 0x5a, 0xf5,
+	0x77, 0x96, 0x04, 0x28, 0x6f, 0x08, 0x1b, 0x80, 0x39, 0x76, 0x6c, 0x80, 0xa5, 0xf3, 0x24, 0x90,
+	0x81, 0xe2, 0x03, 0x7d, 0xf5, 0x82, 0xb4, 0xd4, 0xba, 0xd9, 0x7f, 0x96, 0x8a, 0xff, 0xab, 0xd3,
+	0xbf, 0x01, 0x00, 0x00, 0xff, 0xff, 0x0a, 0xee, 0xc9, 0xb5, 0xc4, 0x06, 0x00, 0x00,
 }
diff --git a/backend/srv/transaction/proto/transaction.proto b/backend/srv/transaction/proto/transaction.proto
index 736d1a9..8c03a0e 100644
--- a/backend/srv/transaction/proto/transaction.proto
+++ b/backend/srv/transaction/proto/transaction.proto
@@ -16,12 +16,13 @@ enum TransStatus {
     DONE = 6;
 }
 
+enum Category {
+    CATEGORY_UNKNOWN = 0;
+    SELL = 1;
+    BUY = 2;
+}
+
 message TransactionCreateRequest {
-    enum Category {
-        UNKNOWN = 0;
-        SELL = 1;
-        BUY = 2;
-    }
     int32 infoID = 1;
     Category category = 2;
     int32 fromUserID = 3;
@@ -54,11 +55,6 @@ message TransactionUpdateResponse {
 }
 
 message TransactionMsg {
-    enum Category {
-        CATEGORY_UNKNOWN = 0;
-        SELL = 1;
-        BUY = 2;
-    }
     int32 transactionID = 1;
     int32 infoID = 2;
     Category category = 3;
@@ -69,11 +65,6 @@ message TransactionMsg {
 }
 
 message TransactionFindRequest {
-    enum Category {
-        CATEGORY_UNKNOWN = 0;
-        SELL = 1;
-        BUY = 2;
-    }
     int32 infoID = 1;
     Category category = 2;
     int32 userID = 3;
diff --git a/backend/srv/user/main.go b/backend/srv/user/main.go
index 4ff92b5..21d4983 100644
--- a/backend/srv/user/main.go
+++ b/backend/srv/user/main.go
@@ -188,8 +188,8 @@ func parseUser(s *db.User, d *user.UserInfo) {
 	d.Telephone = s.Telephone
 	d.StudentID = s.StudentID
 	d.StudentName = s.StudentName
-	d.Status = user.UserInfo_Status(s.Status)
-	d.Role = user.UserInfo_Role(s.Role)
+	d.Status = user.UserInfo_Status(utils.EnumConvert(s.Status, user.UserInfo_Status_name))
+	d.Role = user.UserInfo_Role(utils.EnumConvert(s.Role, user.UserInfo_Role_name))
 }
 
 func main() {
diff --git a/backend/srv/user/main_test.go b/backend/srv/user/main_test.go
index a6ded19..6948a3e 100644
--- a/backend/srv/user/main_test.go
+++ b/backend/srv/user/main_test.go
@@ -56,16 +56,16 @@ func TestUserQuery(t *testing.T) {
 		tf(0, "")
 		err := db.Ormer.Create(&db.User{
 			ID:          1000,
-			UserName:    "jiang",
-			AvatarID:    "5d23ea2c32311335f935cd14",
+			UserName:    "test",
+			AvatarID:    "012345678901234567890123",
 			Telephone:   "12345678901",
-			StudentID:   "1234",
+			StudentID:   "10000",
 			StudentName: "jiang",
 		}).Error
 
 		So(err, ShouldBeNil)
 		req.UserID = 1000
-		tf(1000, "1234")
+		tf(1000, "10000")
 		defer func() { So(db.Ormer.Delete(&db.User{ID: 1000}).Error, ShouldBeNil) }()
 
 		req.UserID = 1001
@@ -76,52 +76,51 @@ func TestUserQuery(t *testing.T) {
 func TestUserUpdate(t *testing.T) {
 	var req user.UserInfo
 
-	tf := func(status user.UserUpdateResponse_Status, uid int, uname string, telephone string) {
+	tf := func(status user.UserUpdateResponse_Status, name string, telephone string) {
 		var s srv
 		var rsp user.UserUpdateResponse
 		So(s.Update(context.TODO(), &req, &rsp), ShouldBeNil)
 		So(rsp.Status, ShouldEqual, status)
 
 		info := db.User{
-			ID: 2000,
+			ID: 1100,
 		}
 		err := db.Ormer.First(&info).Error
 		So(err, ShouldBeNil)
-		So(info.ID, ShouldEqual, uid)
-		So(info.UserName, ShouldEqual, uname)
+		So(info.UserName, ShouldEqual, name)
 		So(info.Telephone, ShouldEqual, telephone)
 	}
 	Convey("Test User Update", t, func() {
 		err := db.Ormer.Create(&db.User{
-			ID:          2000,
-			UserName:    "test1",
-			AvatarID:    "1234",
+			ID:          1100,
+			UserName:    "test",
+			AvatarID:    "012345678901234567890123",
 			Telephone:   "12345678901",
-			StudentID:   "1234",
+			StudentID:   "11000",
 			StudentName: "jiang",
 			Status:      int32(user.UserInfo_NORMAL),
 			Role:        int32(user.UserInfo_USER),
 		}).Error
 		So(err, ShouldBeNil)
-		defer func() { So(db.Ormer.Delete(&db.User{ID: 2000}).Error, ShouldBeNil) }()
+		defer func() { So(db.Ormer.Delete(&db.User{ID: 1100}).Error, ShouldBeNil) }()
 
-		tf(user.UserUpdateResponse_INVALID_PARAM, 2000, "test1", "12345678901")
+		tf(user.UserUpdateResponse_INVALID_PARAM, "test", "12345678901")
 
-		req.UserID = 3000
-		tf(user.UserUpdateResponse_NOT_FOUND, 2000, "test1", "12345678901")
+		req.UserID = 1101
+		tf(user.UserUpdateResponse_NOT_FOUND, "test", "12345678901")
 
-		req.UserID = 2000
-		tf(user.UserUpdateResponse_SUCCESS, 2000, "test1", "12345678901")
+		req.UserID = 1100
+		tf(user.UserUpdateResponse_SUCCESS, "test", "12345678901")
 
-		req.UserName = "test2"
-		tf(user.UserUpdateResponse_SUCCESS, 2000, "test2", "12345678901")
+		req.UserName = "test1"
+		tf(user.UserUpdateResponse_SUCCESS, "test1", "12345678901")
 
 		req.Telephone = "56781234678"
-		tf(user.UserUpdateResponse_SUCCESS, 2000, "test2", "56781234678")
+		tf(user.UserUpdateResponse_SUCCESS, "test1", "56781234678")
 
 		req.ClearEmpty = true
 		req.Telephone = ""
-		tf(user.UserUpdateResponse_SUCCESS, 2000, "test2", "")
+		tf(user.UserUpdateResponse_SUCCESS, "test1", "")
 	})
 }
 
@@ -137,40 +136,42 @@ func TestUserFind(t *testing.T) {
 	}
 	Convey("Test User Find", t, func() {
 		err := db.Ormer.Create(&db.User{
-			ID:          2500,
+			ID:          1200,
 			UserName:    "test1",
-			AvatarID:    "123123",
+			AvatarID:    "012345678901234567890123",
 			Telephone:   "12345678901",
-			StudentID:   "1234",
+			StudentID:   "12000",
 			StudentName: "jiang",
 			Status:      1,
 		}).Error
 		So(err, ShouldBeNil)
+		defer func() {
+			So(db.Ormer.Delete(&db.User{ID: 1200}).Error, ShouldBeNil)
+		}()
 
-		tf(1, 0, 2500, "1234")
+		tf(1, 0, 1200, "12000")
 
 		err = db.Ormer.Create(&db.User{
-			ID:          2501,
+			ID:          1201,
 			UserName:    "test2",
-			AvatarID:    "123123",
+			AvatarID:    "012345678901234567890123",
 			Telephone:   "12345678902",
-			StudentID:   "12345",
+			StudentID:   "12010",
 			StudentName: "jiangzm",
 			Status:      1,
 		}).Error
 		So(err, ShouldBeNil)
 		defer func() {
-			So(db.Ormer.Delete(&db.User{ID: 2500}).Error, ShouldBeNil)
-			So(db.Ormer.Delete(&db.User{ID: 2501}).Error, ShouldBeNil)
+			So(db.Ormer.Delete(&db.User{ID: 1201}).Error, ShouldBeNil)
 		}()
 
-		tf(2, 1, 2501, "12345")
+		tf(2, 1, 1201, "12010")
 
 		req.Limit = 1
-		tf(1, 0, 2500, "1234")
+		tf(1, 0, 1200, "12000")
 
 		req.Offset = 1
-		tf(1, 0, 2501, "12345")
+		tf(1, 0, 1201, "12010")
 	})
 }
 
diff --git a/backend/srv/user/mock/mock.go b/backend/srv/user/mock/mock.go
index 50abf21..fb3bd3e 100644
--- a/backend/srv/user/mock/mock.go
+++ b/backend/srv/user/mock/mock.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	user "jiaojiao/srv/user/proto"
+	"jiaojiao/utils"
 
 	"github.com/micro/go-micro/client"
 )
@@ -13,34 +14,35 @@ type mockUserSrv struct{}
 // Create is user create mock
 func (a *mockUserSrv) Create(ctx context.Context, req *user.UserCreateRequest, opts ...client.CallOption) (*user.UserCreateResponse, error) {
 	var rsp user.UserCreateResponse
-	if req.StudentID == "" || req.StudentName == "" {
+	if !utils.RequireParam(req.StudentID, req.StudentName) {
 		rsp.Status = user.UserCreateResponse_INVALID_PARAM
+		return &rsp, nil
+	}
+
+	if req.StudentID == "10000" {
+		rsp.Status = user.UserCreateResponse_SUCCESS
+		rsp.User = new(user.UserInfo)
+		rsp.User.UserID = 1000
+		rsp.User.Status = user.UserInfo_NORMAL
+		rsp.User.Role = user.UserInfo_USER
+	} else if req.StudentID == "10001" {
+		rsp.Status = user.UserCreateResponse_SUCCESS
+		rsp.User = new(user.UserInfo)
+		rsp.User.UserID = 1001
+		rsp.User.Status = user.UserInfo_NORMAL
+		rsp.User.Role = user.UserInfo_ADMIN
+	} else if req.StudentID == "20000" {
+		rsp.Status = user.UserCreateResponse_SUCCESS
+		rsp.User = new(user.UserInfo)
+		rsp.User.UserID = 2000
+		rsp.User.Status = user.UserInfo_FROZEN
+		rsp.User.Role = user.UserInfo_USER
+	} else if req.StudentID == "30000" {
+		return nil, errors.New("")
 	} else {
-		if req.StudentID == "1000" {
-			rsp.Status = user.UserCreateResponse_SUCCESS
-			rsp.User = new(user.UserInfo)
-			rsp.User.UserID = 1
-			rsp.User.Status = user.UserInfo_NORMAL
-			rsp.User.Role = user.UserInfo_USER
-		} else if req.StudentID == "1001" {
-			rsp.Status = user.UserCreateResponse_SUCCESS
-			rsp.User = new(user.UserInfo)
-			rsp.User.UserID = 2
-			rsp.User.Status = user.UserInfo_NORMAL
-			rsp.User.Role = user.UserInfo_ADMIN
-		} else if req.StudentID == "2000" {
-			return nil, errors.New("")
-		} else if req.StudentID == "3000" {
-			rsp.Status = user.UserCreateResponse_SUCCESS
-			rsp.User = new(user.UserInfo)
-			rsp.User.UserID = 3
-			rsp.User.Status = user.UserInfo_FROZEN
-			rsp.User.Role = user.UserInfo_USER
-		} else {
-			rsp.Status = user.UserCreateResponse_USER_EXIST
-			rsp.User = new(user.UserInfo)
-			rsp.User.UserID = 1
-		}
+		rsp.Status = user.UserCreateResponse_USER_EXIST
+		rsp.User = new(user.UserInfo)
+		rsp.User.UserID = 1000
 	}
 	return &rsp, nil
 }
@@ -48,16 +50,16 @@ func (a *mockUserSrv) Create(ctx context.Context, req *user.UserCreateRequest, o
 // Query is user query mock
 func (a *mockUserSrv) Query(ctx context.Context, req *user.UserQueryRequest, opts ...client.CallOption) (*user.UserInfo, error) {
 	var rsp user.UserInfo
-	if req.UserID != 0 {
+	if utils.RequireParam(req.UserID) {
 		if req.UserID == 1000 {
 			rsp.UserID = 1000
 			rsp.UserName = "test"
-			rsp.AvatarID = "5d23ea2c32311335f935cd14"
+			rsp.AvatarID = "012345678901234567890123"
 			rsp.Telephone = "12345678901"
-			rsp.StudentID = "1000"
+			rsp.StudentID = "10000"
 			rsp.StudentName = "jiang"
-			rsp.Status = 1
-		} else if req.UserID == 2000 {
+			rsp.Status = user.UserInfo_NORMAL
+		} else if req.UserID == 3000 {
 			return nil, errors.New("")
 		}
 	}
@@ -69,29 +71,29 @@ func (a *mockUserSrv) Find(ctx context.Context, req *user.UserFindRequest, opts
 	user1 := user.UserInfo{
 		UserID:      1000,
 		UserName:    "test1",
-		AvatarID:    "5d23ea2c32311335f935cd14",
-		Telephone:   "12345224232",
-		StudentID:   "1",
-		StudentName: "Xiao Ming",
-		Status:      1,
+		AvatarID:    "012345678901234567890123",
+		Telephone:   "12345678901",
+		StudentID:   "10000",
+		StudentName: "user1",
+		Status:      user.UserInfo_NORMAL,
 	}
 	user2 := user.UserInfo{
 		UserID:      1001,
 		UserName:    "test2",
-		AvatarID:    "jksfa0980923jkjoifu92323",
-		Telephone:   "67307269876",
-		StudentID:   "2",
-		StudentName: "Xiao Huang",
-		Status:      1,
+		AvatarID:    "012345678901234567890123",
+		Telephone:   "12345678901",
+		StudentID:   "10001",
+		StudentName: "user2",
+		Status:      user.UserInfo_NORMAL,
 	}
 	user3 := user.UserInfo{
 		UserID:      1002,
-		UserName:    "test2",
-		AvatarID:    "yuwry981hkjbgmxnlaud9u34352",
-		Telephone:   "16539896792",
-		StudentID:   "3",
-		StudentName: "Xiao Bai",
-		Status:      1,
+		UserName:    "test3",
+		AvatarID:    "012345678901234567890123",
+		Telephone:   "12345678901",
+		StudentID:   "10002",
+		StudentName: "user3",
+		Status:      user.UserInfo_NORMAL,
 	}
 
 	var rsp user.UserFindResponse
@@ -116,7 +118,7 @@ func (a *mockUserSrv) Find(ctx context.Context, req *user.UserFindRequest, opts
 				rsp.User = append(rsp.User, &user3)
 			}
 		}
-	} else if req.UserName == "down" {
+	} else if req.UserName == "error" {
 		return nil, errors.New("")
 	}
 	return &rsp, nil
@@ -125,16 +127,17 @@ func (a *mockUserSrv) Find(ctx context.Context, req *user.UserFindRequest, opts
 // Update is user update mock
 func (a *mockUserSrv) Update(ctx context.Context, req *user.UserInfo, opts ...client.CallOption) (*user.UserUpdateResponse, error) {
 	var rsp user.UserUpdateResponse
-	if req.UserID == 0 {
+	if !utils.RequireParam(req.UserID) {
 		rsp.Status = user.UserUpdateResponse_INVALID_PARAM
+		return &rsp, nil
+	}
+
+	if req.UserID == 1000 {
+		rsp.Status = user.UserUpdateResponse_SUCCESS
+	} else if req.UserID == 3000 {
+		return &rsp, errors.New("")
 	} else {
-		if req.UserID == 1000 {
-			rsp.Status = user.UserUpdateResponse_SUCCESS
-		} else if req.UserID == 2000 {
-			return &rsp, errors.New("")
-		} else {
-			rsp.Status = user.UserUpdateResponse_NOT_FOUND
-		}
+		rsp.Status = user.UserUpdateResponse_NOT_FOUND
 	}
 	return &rsp, nil
 }
diff --git a/backend/utils/function.go b/backend/utils/function.go
index d2e2922..98ece0c 100644
--- a/backend/utils/function.go
+++ b/backend/utils/function.go
@@ -101,3 +101,24 @@ func GetQueryFile(c *gin.Context, name string, maxsize int64) ([]byte, int, erro
 	}
 	return nil, 500, err
 }
+
+// EnumConvert convert int32 to enum
+func EnumConvert(v int32, n map[int32]string) int32 {
+	if n[v] != "" {
+		return v
+	}
+	return 0
+}
+
+// CheckFileInTest check if file valid
+func CheckFile(file []byte, f ...func(buf []byte) bool) bool {
+	if CheckInTest() {
+		return string(file) == "valid_file"
+	}
+	for _, v := range f {
+		if !v(file) {
+			return false
+		}
+	}
+	return true
+}
diff --git a/backend/utils/testtool.go b/backend/utils/testtool.go
index a3fcc63..e762d11 100644
--- a/backend/utils/testtool.go
+++ b/backend/utils/testtool.go
@@ -25,7 +25,9 @@ func StartTestServer(f func() *gin.Engine, m string, p string, b io.Reader,
 		setter(req)
 	}
 	router.ServeHTTP(w, req)
-	defer req.Body.Close()
+	if req.Body != nil {
+		req.Body.Close()
+	}
 	return w
 }
 

From ef843ae91c4e1374454bb61502b350d4eee4a25f Mon Sep 17 00:00:00 2001
From: MXWXZ <me@imwxz.com>
Date: Thu, 1 Aug 2019 16:28:45 +0800
Subject: [PATCH 11/12] commit fix

---
 backend/utils/function.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/utils/function.go b/backend/utils/function.go
index 98ece0c..73305ec 100644
--- a/backend/utils/function.go
+++ b/backend/utils/function.go
@@ -110,7 +110,7 @@ func EnumConvert(v int32, n map[int32]string) int32 {
 	return 0
 }
 
-// CheckFileInTest check if file valid
+// CheckFile check if file valid
 func CheckFile(file []byte, f ...func(buf []byte) bool) bool {
 	if CheckInTest() {
 		return string(file) == "valid_file"

From 5d88db7055836e7ae2915b6d4f9f40cb6d3ed31f Mon Sep 17 00:00:00 2001
From: MXWXZ <me@imwxz.com>
Date: Thu, 1 Aug 2019 16:46:10 +0800
Subject: [PATCH 12/12] 0.2.2

---
 backend/CHANGELOG.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/backend/CHANGELOG.md b/backend/CHANGELOG.md
index a7013cb..187825f 100644
--- a/backend/CHANGELOG.md
+++ b/backend/CHANGELOG.md
@@ -1,4 +1,18 @@
 # 后端API更新日志
+## v0.2.2 2019-08-01
+### 禁用
+1. `DELETE /content` 删除单独content file暂不可用
+
+### 新增
+1. tag相关功能已可以使用
+
+### API修改
+1. `PUT /content` 参数均为必选，将删除content file功能移至 `DELETE`
+2. `DELETE /content` 允许删除content file（暂不可用）
+
+### BUG修复
+1. 字段值检查已添加，非法数值会被视为0
+
 ## v0.2.1 2019-07-30
 ### 修复
 1. content相关API已可使用