diff --git a/pkg/controller/controllers/workflow_controller.go b/pkg/controller/controllers/workflow_controller.go
index 4fabcf2..4c7df63 100644
--- a/pkg/controller/controllers/workflow_controller.go
+++ b/pkg/controller/controllers/workflow_controller.go
@@ -136,10 +136,21 @@ func (this *WorkflowController) execNextNode(job api.Job) {
 
 	// deal with ret result
 	var result []interface{}
-	if err := json.Unmarshal([]byte(job.Result), &result); err != nil {
-		log.Error("Error unmarshaling Result: %s", err.Error())
-		this.errorEnd(job.JobID, "Error unmarshaling Result in function "+workflowStatus.currNode.Function.Name)
-		return
+	trimmedResult := strings.TrimSpace(job.Result)
+	if strings.HasPrefix(trimmedResult, "[") {
+		// Handle as JSON array
+		if err := json.Unmarshal([]byte(trimmedResult), &result); err != nil {
+			log.Error("Error unmarshaling Result: %s", err.Error())
+			return
+		}
+	} else {
+		// Handle as single string
+		var singleResult string
+		if err := json.Unmarshal([]byte(trimmedResult), &singleResult); err != nil {
+			log.Error("Error unmarshaling single Result: %s", err.Error())
+			return
+		}
+		result = append(result, singleResult)
 	}
 	result_str := function_util.ConvertToStringList(result)
 	resWithName, _ := function_util.CheckParams(workflowStatus.retRes, result_str)
@@ -198,6 +209,10 @@ func (this *WorkflowController) execNextNode(job api.Job) {
 }
 
 func (this *WorkflowController) errorEnd(jobUUID string, err string) {
+	if this.jobList[jobUUID] == nil {
+		log.Error("Can't find workflow uuid by job uuid: %s", jobUUID)
+		return
+	}
 	updateResult([]string{"Error", err}, this.jobList[jobUUID])
 	delete(this.jobList, jobUUID)
 }
diff --git a/testdata/workflow1/OrderFailed.yaml b/testdata/workflow1/OrderFailed.yaml
index 6251d2e..678278c 100644
--- a/testdata/workflow1/OrderFailed.yaml
+++ b/testdata/workflow1/OrderFailed.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 kind: Function
 metadata:
-  name: OrderSucceeded
+  name: OrderFailed
 language: python
 filePath: /root/minik8s/testdata/workflow1/OrderFailed/
 triggerType:
@@ -13,4 +13,5 @@ params:
     type: string
 result:
   - name: result
-    type: string
\ No newline at end of file
+    type: string
+    # etcdctl put /trigger/default/BuyTrainTicket {\"x\":1000} --endpoints=192.168.3.8:2379
\ No newline at end of file
diff --git a/yaml/trigger.yaml b/yaml/trigger.yaml
index 3d9c051..f597c34 100644
--- a/yaml/trigger.yaml
+++ b/yaml/trigger.yaml
@@ -3,4 +3,4 @@ kind: Trigger
 spec:
   type: etcdTrigger
   functionNamespace: default
-  functionName: matrix-calculate
\ No newline at end of file
+  functionName: BuyTrainTicket
\ No newline at end of file