diff --git a/src/client/inc/tsclient.h b/src/client/inc/tsclient.h
index e1180c414345da3e668d8eaece895c3c011f2004..3a420567a978d0adf6b97a0feaf16ac73ec8405f 100644
--- a/src/client/inc/tsclient.h
+++ b/src/client/inc/tsclient.h
@@ -52,12 +52,20 @@ typedef struct STableComInfo {
   int32_t rowSize;
 } STableComInfo;
 
+typedef struct SCMCorVgroupInfo {
+  int32_t version;
+  int8_t inUse;
+  int8_t  numOfIps;
+  SIpAddr ipAddr[TSDB_MAX_REPLICA];
+} SCMCorVgroupInfo;
+
 typedef struct STableMeta {
   STableComInfo tableInfo;
   uint8_t       tableType;
   int16_t       sversion;
   int16_t       tversion;
-  SCMVgroupInfo vgroupInfo;
+  SCMVgroupInfo  vgroupInfo;
+  SCMCorVgroupInfo  corVgroupInfo;
   int32_t       sid;       // the index of one table in a virtual node
   uint64_t      uid;       // unique id of a table
   SSchema       schema[];  // if the table is TSDB_CHILD_TABLE, schema is acquired by super table meta info
diff --git a/src/client/src/tscSchemaUtil.c b/src/client/src/tscSchemaUtil.c
index b391a5760ef4e9914b5a94fe0729a109f1342c63..52342b36500d0eba6b1145cdf1f305d54ce40010 100644
--- a/src/client/src/tscSchemaUtil.c
+++ b/src/client/src/tscSchemaUtil.c
@@ -140,7 +140,15 @@ struct SSchema tscGetTbnameColumnSchema() {
   strcpy(s.name, TSQL_TBNAME_L);
   return s;
 }
-
+static void tscInitCorVgroupInfo(SCMCorVgroupInfo *corVgroupInfo, SCMVgroupInfo *vgroupInfo) {
+  corVgroupInfo->version = 0;
+  corVgroupInfo->inUse = 0;
+  corVgroupInfo->numOfIps = vgroupInfo->numOfIps;
+  for (int32_t i = 0; i < corVgroupInfo->numOfIps; i++) {
+    strncpy(corVgroupInfo->ipAddr[i].fqdn, vgroupInfo->ipAddr[i].fqdn, TSDB_FQDN_LEN);
+    corVgroupInfo->ipAddr[i].port = vgroupInfo->ipAddr[i].port;
+  }
+}
 STableMeta* tscCreateTableMetaFromMsg(STableMetaMsg* pTableMetaMsg, size_t* size) {
   assert(pTableMetaMsg != NULL);
   
@@ -157,9 +165,9 @@ STableMeta* tscCreateTableMetaFromMsg(STableMetaMsg* pTableMetaMsg, size_t* size
   pTableMeta->sid = pTableMetaMsg->sid;
   pTableMeta->uid = pTableMetaMsg->uid;
   pTableMeta->vgroupInfo = pTableMetaMsg->vgroup;
-  //init version here
-  pTableMeta->vgroupInfo.version = 0; 
-  
+
+  tscInitCorVgroupInfo(&pTableMeta->corVgroupInfo, &pTableMeta->vgroupInfo);
+
   pTableMeta->sversion = pTableMetaMsg->sversion;
   pTableMeta->tversion = pTableMetaMsg->tversion;
   
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 7269173c8c6ce23300a22327979f78b79317b01f..cb97307b0462e70ae6731fc543be19a7067877ea 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -45,6 +45,20 @@ void tscSaveSubscriptionProgress(void* sub);
 
 static int32_t minMsgSize() { return tsRpcHeadSize + 100; }
 
+static void tscSetDnodeIpList(SSqlObj* pSql, SCMVgroupInfo* pVgroupInfo) {
+  SRpcIpSet* pIpList = &pSql->ipList;
+  pIpList->inUse    = 0;
+  if (pVgroupInfo == NULL) {
+    pIpList->numOfIps = 0;
+    return;
+  }
+
+  pIpList->numOfIps = pVgroupInfo->numOfIps;
+  for(int32_t i = 0; i < pVgroupInfo->numOfIps; ++i) {
+    strcpy(pIpList->fqdn[i], pVgroupInfo->ipAddr[i].fqdn);
+    pIpList->port[i] = pVgroupInfo->ipAddr[i].port;
+  }
+}
 void tscIpSetCopy(SRpcIpSet *dst, SRpcIpSet *src) {
   dst->numOfIps = src->numOfIps;
   dst->inUse = src->inUse;
@@ -83,12 +97,9 @@ void tscUpdateMgmtIpList(SRpcIpSet *pIpSet) {
   tscIpSetCopy(mgmtIpSet, pIpSet);
   taosCorEndWrite(&tscMgmtIpSet.version);
 }
-static void tscDumpIpSetFromVgroupInfo(SCMVgroupInfo *pVgroupInfo, SRpcIpSet *pIpSet, int32_t *vgId) {
+static void tscDumpIpSetFromVgroupInfo(SCMCorVgroupInfo *pVgroupInfo, SRpcIpSet *pIpSet) {
   if (pVgroupInfo == NULL) { return;}
-  //taosCorBeginRead(&pVgroupInfo->version);
-  if (vgId) { 
-    *vgId = pVgroupInfo->vgId; 
-  }
+  taosCorBeginRead(&pVgroupInfo->version);
   int8_t inUse = pVgroupInfo->inUse;
   pIpSet->inUse = (inUse >= 0 && inUse < TSDB_MAX_REPLICA) ? inUse: 0; 
   pIpSet->numOfIps = pVgroupInfo->numOfIps;  
@@ -96,16 +107,16 @@ static void tscDumpIpSetFromVgroupInfo(SCMVgroupInfo *pVgroupInfo, SRpcIpSet *pI
     strncpy(pIpSet->fqdn[i], pVgroupInfo->ipAddr[i].fqdn, TSDB_FQDN_LEN);
     pIpSet->port[i] = pVgroupInfo->ipAddr[i].port;
   }
-  //taosCorEndRead(&pVgroupInfo->version);
+  taosCorEndRead(&pVgroupInfo->version);
 }
 
 static void tscUpdateVgroupInfo(SSqlObj *pObj, SRpcIpSet *pIpSet) {
   SSqlCmd *pCmd = &pObj->cmd;
   STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
   if (pTableMetaInfo == NULL || pTableMetaInfo->pTableMeta == NULL) { return;}
-  SCMVgroupInfo *pVgroupInfo = &pTableMetaInfo->pTableMeta->vgroupInfo;
+  SCMCorVgroupInfo *pVgroupInfo = &pTableMetaInfo->pTableMeta->corVgroupInfo;
 
-  //taosCorBeginWrite(&pVgroupInfo->version);
+  taosCorBeginWrite(&pVgroupInfo->version);
   //TODO(dengyihao), dont care vgid 
   pVgroupInfo->inUse = pIpSet->inUse;
   pVgroupInfo->numOfIps = pIpSet->numOfIps;
@@ -113,7 +124,7 @@ static void tscUpdateVgroupInfo(SSqlObj *pObj, SRpcIpSet *pIpSet) {
     strncpy(pVgroupInfo->ipAddr[i].fqdn, pIpSet->fqdn[i], TSDB_FQDN_LEN);
     pVgroupInfo->ipAddr[i].port = pIpSet->port[i];
   }
-  //taosCorEndWrite(&pVgroupInfo->version);
+  taosCorEndWrite(&pVgroupInfo->version);
 }
 void tscPrintMgmtIp() {
   SRpcIpSet dump;
@@ -577,7 +588,7 @@ int tscBuildSubmitMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 
   // pSql->cmd.payloadLen is set during copying data into payload
   pSql->cmd.msgType = TSDB_MSG_TYPE_SUBMIT;
-  tscDumpIpSetFromVgroupInfo(&pTableMeta->vgroupInfo, &pSql->ipList, NULL);
+  tscDumpIpSetFromVgroupInfo(&pTableMeta->corVgroupInfo, &pSql->ipList);
   
   tscDebug("%p build submit msg, vgId:%d numOfTables:%d numberOfIP:%d", pSql, vgId, pSql->cmd.numOfTablesInSubmit,
       pSql->ipList.numOfIps);
@@ -619,9 +630,10 @@ static char *doSerializeTableInfo(SQueryTableMsg* pQueryMsg, SSqlObj *pSql, char
     } else {
       pVgroupInfo = &pTableMeta->vgroupInfo;
     }
-    int32_t vgId = 0;
-    tscDumpIpSetFromVgroupInfo(pVgroupInfo, &pSql->ipList, &vgId);
-    pQueryMsg->head.vgId = htonl(vgId);
+    tscSetDnodeIpList(pSql, pVgroupInfo);
+    if (pVgroupInfo != NULL) {
+      pQueryMsg->head.vgId = htonl(pVgroupInfo->vgId);
+    } 
 
     STableIdInfo *pTableIdInfo = (STableIdInfo *)pMsg;
     pTableIdInfo->tid = htonl(pTableMeta->sid);
@@ -639,10 +651,9 @@ static char *doSerializeTableInfo(SQueryTableMsg* pQueryMsg, SSqlObj *pSql, char
 
     SVgroupTableInfo* pTableIdList = taosArrayGet(pTableMetaInfo->pVgroupTables, index);
     
-    // set the vgroup info
-    int32_t vgId = 0;
-    tscDumpIpSetFromVgroupInfo(&pTableIdList->vgInfo, &pSql->ipList, &vgId);
-    pQueryMsg->head.vgId = htonl(vgId);
+    // set the vgroup info 
+    tscSetDnodeIpList(pSql, &pTableIdList->vgInfo);
+    pQueryMsg->head.vgId = htonl(pTableIdList->vgInfo.vgId);
     
     int32_t numOfTables = taosArrayGetSize(pTableIdList->itemList);
     pQueryMsg->numOfTables = htonl(numOfTables);  // set the number of tables
@@ -1374,7 +1385,7 @@ int tscBuildUpdateTagMsg(SSqlObj* pSql, SSqlInfo *pInfo) {
   SQueryInfo *    pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
   STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
 
-  tscDumpIpSetFromVgroupInfo(&pTableMetaInfo->pTableMeta->vgroupInfo, &pSql->ipList, NULL);
+  tscDumpIpSetFromVgroupInfo(&pTableMetaInfo->pTableMeta->corVgroupInfo, &pSql->ipList);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -1900,8 +1911,6 @@ int tscProcessSTableVgroupRsp(SSqlObj *pSql) {
     for (int32_t j = 0; j < pInfo->vgroupList->numOfVgroups; ++j) {
       //just init, no need to lock
       SCMVgroupInfo *pVgroups = &pInfo->vgroupList->vgroups[j];
-      pVgroups->version = 0;
-      pVgroups->inUse = 0;
       pVgroups->vgId = htonl(pVgroups->vgId);
       assert(pVgroups->numOfIps >= 1);
       for (int32_t k = 0; k < pVgroups->numOfIps; ++k) {
diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index fec3d77d8e51628b159ac54c1331c3e6e138f83f..b7afaf1e065074018d9725796434776dae1a9158 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -647,9 +647,7 @@ typedef struct SCMSTableVgroupMsg {
 } SCMSTableVgroupMsg, SCMSTableVgroupRspMsg;
 
 typedef struct {
-  int32_t   version;
   int32_t   vgId;
-  int8_t    inUse;
   int8_t    numOfIps;
   SIpAddr   ipAddr[TSDB_MAX_REPLICA];
 } SCMVgroupInfo;