diff --git a/src/main/java/com/qibaike/thriftnameserver/app/ThriftNameServer.java b/src/main/java/com/qibaike/thriftnameserver/app/ThriftNameServer.java
index 14ca87d..9f595c0 100644
--- a/src/main/java/com/qibaike/thriftnameserver/app/ThriftNameServer.java
+++ b/src/main/java/com/qibaike/thriftnameserver/app/ThriftNameServer.java
@@ -4,8 +4,7 @@
 import org.slf4j.LoggerFactory;
 
 import com.qibaike.thriftnameserver.conf.Config;
-import com.qibaike.thriftnameserver.rpc.clusterConstants;
-import com.qibaike.thriftnameserver.rpc.tnsrpcConstants;
+import com.qibaike.thriftnameserver.rpc.structConstants;
 
 public class ThriftNameServer {
 	public static void main(String[] args) {
@@ -18,15 +17,14 @@ public static void main(String[] args) {
 		 * cluster rpc
 		 */
 		ClusterRpcServer clusterRpcServer = new ClusterRpcServer();
-		clusterRpcServer.start(host, clusterConstants.PORT);
-		
+		clusterRpcServer.start(host, structConstants.PORT);
+
 		/**
 		 * tns rpc
 		 */
 		TNSRpcServer tnsRpcServer = new TNSRpcServer();
-		tnsRpcServer.start(host, tnsrpcConstants.PORT);
-		
-		
+		tnsRpcServer.start(host, structConstants.PORT + 1);
+
 		SNodeManagerMBeanServer sNodeManagerMBeanServer = new SNodeManagerMBeanServer();
 		sNodeManagerMBeanServer.start();
 
diff --git a/src/main/java/com/qibaike/thriftnameserver/cluster/CNodeManager.java b/src/main/java/com/qibaike/thriftnameserver/cluster/CNodeManager.java
index 7679ead..8bac666 100644
--- a/src/main/java/com/qibaike/thriftnameserver/cluster/CNodeManager.java
+++ b/src/main/java/com/qibaike/thriftnameserver/cluster/CNodeManager.java
@@ -15,7 +15,7 @@
 import com.qibaike.thriftnameserver.rpc.Cluster;
 import com.qibaike.thriftnameserver.rpc.State;
 import com.qibaike.thriftnameserver.rpc.TCNode;
-import com.qibaike.thriftnameserver.rpc.clusterConstants;
+import com.qibaike.thriftnameserver.rpc.structConstants;
 
 public class CNodeManager implements CNodeManagerMBean {
 
@@ -30,7 +30,7 @@ private CNodeManager() {
 
 		TCNode me = new TCNode();
 		me.setHost(Config.HOSTNAME);
-		me.setPort(clusterConstants.PORT);
+		me.setPort(structConstants.PORT);
 		me.setId(myId);
 		me.setState(State.Joining);
 		me.setTimestamp(System.currentTimeMillis());
@@ -124,7 +124,7 @@ private TCNode getOne(Long id) {
 	@Override
 	@Loggable
 	public String meet(String host) {
-		TSocket transport = new TSocket(host, clusterConstants.PORT, 2000);
+		TSocket transport = new TSocket(host, structConstants.PORT, 2000);
 		TProtocol protocol = new TBinaryProtocol(transport);
 		Cluster.Client client = new Cluster.Client(protocol);
 		try {
diff --git a/src/main/java/com/qibaike/thriftnameserver/conf/Config.java b/src/main/java/com/qibaike/thriftnameserver/conf/Config.java
index 8a5bdad..0d3e5f4 100644
--- a/src/main/java/com/qibaike/thriftnameserver/conf/Config.java
+++ b/src/main/java/com/qibaike/thriftnameserver/conf/Config.java
@@ -1,11 +1,11 @@
 package com.qibaike.thriftnameserver.conf;
 
-import com.qibaike.thriftnameserver.rpc.clusterConstants;
+import com.qibaike.thriftnameserver.rpc.structConstants;
 
 public class Config {
 	public static final String HOSTNAME = System.getProperty("hostname", "localhost");
 
-	public static final Long TNSID = (long) (HOSTNAME+clusterConstants.PORT).hashCode();
-	
+	public static final Long TNSID = (long) (HOSTNAME + structConstants.PORT).hashCode();
+
 	public static final Long serviceRemoveSeconds = 60L;
 }
diff --git a/src/main/java/com/qibaike/thriftnameserver/rpc/clusterConstants.java b/src/main/java/com/qibaike/thriftnameserver/rpc/structConstants.java
similarity index 97%
rename from src/main/java/com/qibaike/thriftnameserver/rpc/clusterConstants.java
rename to src/main/java/com/qibaike/thriftnameserver/rpc/structConstants.java
index fb28aa1..041a01f 100644
--- a/src/main/java/com/qibaike/thriftnameserver/rpc/clusterConstants.java
+++ b/src/main/java/com/qibaike/thriftnameserver/rpc/structConstants.java
@@ -34,7 +34,7 @@
 import org.slf4j.LoggerFactory;
 
 @SuppressWarnings({"cast", "rawtypes", "serial", "unchecked"})
-public class clusterConstants {
+public class structConstants {
 
   public static final int PORT = 8700;
 
diff --git a/src/main/java/com/qibaike/thriftnameserver/rpc/tnsrpcConstants.java b/src/main/java/com/qibaike/thriftnameserver/rpc/tnsrpcConstants.java
deleted file mode 100644
index 3a017c9..0000000
--- a/src/main/java/com/qibaike/thriftnameserver/rpc/tnsrpcConstants.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/**
- * Autogenerated by Thrift Compiler (0.9.2)
- *
- * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
- *  @generated
- */
-package com.qibaike.thriftnameserver.rpc;
-
-import org.apache.thrift.scheme.IScheme;
-import org.apache.thrift.scheme.SchemeFactory;
-import org.apache.thrift.scheme.StandardScheme;
-
-import org.apache.thrift.scheme.TupleScheme;
-import org.apache.thrift.protocol.TTupleProtocol;
-import org.apache.thrift.protocol.TProtocolException;
-import org.apache.thrift.EncodingUtils;
-import org.apache.thrift.TException;
-import org.apache.thrift.async.AsyncMethodCallback;
-import org.apache.thrift.server.AbstractNonblockingServer.*;
-import java.util.List;
-import java.util.ArrayList;
-import java.util.Map;
-import java.util.HashMap;
-import java.util.EnumMap;
-import java.util.Set;
-import java.util.HashSet;
-import java.util.EnumSet;
-import java.util.Collections;
-import java.util.BitSet;
-import java.nio.ByteBuffer;
-import java.util.Arrays;
-import javax.annotation.Generated;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@SuppressWarnings({"cast", "rawtypes", "serial", "unchecked"})
-public class tnsrpcConstants {
-
-  public static final int PORT = 8701;
-
-}
diff --git a/thrift/cluster.thrift b/thrift/cluster.thrift
index fdf6a85..1a2e935 100755
--- a/thrift/cluster.thrift
+++ b/thrift/cluster.thrift
@@ -2,8 +2,6 @@ namespace java com.qibaike.thriftnameserver.rpc
 
 include "struct.thrift"
 
-const i32 PORT = 8700
-
 service Cluster {
 
 	/**
diff --git a/thrift/struct.thrift b/thrift/struct.thrift
index d769779..e3b9f69 100644
--- a/thrift/struct.thrift
+++ b/thrift/struct.thrift
@@ -1,5 +1,7 @@
 namespace java com.qibaike.thriftnameserver.rpc
 
+const i32 PORT = 8700
+
 enum State {
  UP = 1,
  DOWN = 2,
diff --git a/thrift/tnsrpc.thrift b/thrift/tnsrpc.thrift
index 721e1c5..320ec70 100755
--- a/thrift/tnsrpc.thrift
+++ b/thrift/tnsrpc.thrift
@@ -2,8 +2,6 @@ namespace java com.qibaike.thriftnameserver.rpc
 
 include "struct.thrift"
 
-const i32 PORT = 8701
-
 service TNSRpc {
 
 	/**