diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 4b9d2b920f6f4b0dad91c7ffb55e900f8dd3a2b0..79c580e1a216831a4f69ca950ba0f623454caf5c 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -651,6 +651,7 @@ static int trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock) {
   for (int32_t i = 0; i < numOfRows; ++i) {
     SDataRow trow = (SDataRow)pDataBlock;
     dataRowSetLen(trow, TD_DATA_ROW_HEAD_SIZE + flen);
+    dataRowSetVersion(trow, pTableMeta->sversion);
 
     int toffset = 0;
     for (int32_t j = 0; j < tinfo.numOfColumns; j++) {
@@ -759,10 +760,6 @@ void tscCloseTscObj(STscObj* pObj) {
   taosTmrStopA(&(pObj->pTimer));
   tscFreeSqlObj(pSql);
 
-  if (pSql) {
-    sem_destroy(&pSql->rspSem);
-  }
-  
   pthread_mutex_destroy(&pObj->mutex);
   
   if (pObj->pDnodeConn != NULL) {
diff --git a/src/common/inc/tdataformat.h b/src/common/inc/tdataformat.h
index 9854183f822fb803040b07bad33c90bd772c1c54..bb1ce949743c0527df2b2068472f5afe08596aec 100644
--- a/src/common/inc/tdataformat.h
+++ b/src/common/inc/tdataformat.h
@@ -119,22 +119,24 @@ STSchema *tdGetSchemaFromBuilder(STSchemaBuilder *pBuilder);
 // ----------------- Data row structure
 
 /* A data row, the format is like below:
- * |<------------------------------------- len ---------------------------------->|
- * |<--Head ->|<---------   flen -------------->|                                 |
- * +----------+---------------------------------+---------------------------------+
- * | int32_t  |                                 |                                 |
- * +----------+---------------------------------+---------------------------------+
- * |   len    |           First part            |             Second part         |
- * +----------+---------------------------------+---------------------------------+
+ * |<--------------------+--------------------------- len ---------------------------------->|
+ * |<--     Head      -->|<---------   flen -------------->|                                 |
+ * +---------------------+---------------------------------+---------------------------------+
+ * | int16_t  |  int16_t |                                 |                                 |
+ * +----------+----------+---------------------------------+---------------------------------+
+ * |   len    | sversion |           First part            |             Second part         |
+ * +----------+----------+---------------------------------+---------------------------------+
  */
 typedef void *SDataRow;
 
-#define TD_DATA_ROW_HEAD_SIZE sizeof(int32_t)
+#define TD_DATA_ROW_HEAD_SIZE sizeof(int16_t)*2
 
-#define dataRowLen(r) (*(int32_t *)(r))
+#define dataRowLen(r) (*(int16_t *)(r))
+#define dataRowVersion(r) *(int16_t *)POINTER_SHIFT(r, sizeof(int16_t))
 #define dataRowTuple(r) POINTER_SHIFT(r, TD_DATA_ROW_HEAD_SIZE)
 #define dataRowKey(r) (*(TSKEY *)(dataRowTuple(r)))
 #define dataRowSetLen(r, l) (dataRowLen(r) = (l))
+#define dataRowSetVersion(r, v) (dataRowVersion(r) = (v))
 #define dataRowCpy(dst, r) memcpy((dst), (r), dataRowLen(r))
 #define dataRowMaxBytesFromSchema(s) (schemaTLen(s) + TD_DATA_ROW_HEAD_SIZE)
 
diff --git a/src/common/src/tdataformat.c b/src/common/src/tdataformat.c
index 8a408cc519e0d1ebafbb17ec3fac20c858cb3cca..f3fd91fc8d7624bad137105d27749659a7188fb2 100644
--- a/src/common/src/tdataformat.c
+++ b/src/common/src/tdataformat.c
@@ -159,7 +159,10 @@ STSchema *tdGetSchemaFromBuilder(STSchemaBuilder *pBuilder) {
 /**
  * Initialize a data row
  */
-void tdInitDataRow(SDataRow row, STSchema *pSchema) { dataRowSetLen(row, TD_DATA_ROW_HEAD_SIZE + schemaFLen(pSchema)); }
+void tdInitDataRow(SDataRow row, STSchema *pSchema) {
+  dataRowSetLen(row, TD_DATA_ROW_HEAD_SIZE + schemaFLen(pSchema));
+  dataRowSetVersion(row, schemaVersion(pSchema));
+}
 
 SDataRow tdNewDataRowFromSchema(STSchema *pSchema) {
   int32_t size = dataRowMaxBytesFromSchema(pSchema);
diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index b5d4ee7758a479a89a4b07682008e2304ee84b85..2cf0567f5aa926fd5cf9907b926c2ce1d094f7f3 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -602,6 +602,7 @@ typedef struct {
 } SMDVnodeDesc;
 
 typedef struct {
+  char db[TSDB_DB_NAME_LEN + 1];
   SMDVnodeCfg  cfg;
   SMDVnodeDesc nodes[TSDB_MAX_REPLICA];
 } SMDCreateVnodeMsg;
diff --git a/src/mnode/src/mnodeVgroup.c b/src/mnode/src/mnodeVgroup.c
index 9c24f7eaf3e3e6d0d88e2a27fe4f9b72db1956f2..920d8503b2bca7435b6c3236bf37b09096c177ac 100644
--- a/src/mnode/src/mnodeVgroup.c
+++ b/src/mnode/src/mnodeVgroup.c
@@ -539,6 +539,8 @@ SMDCreateVnodeMsg *mnodeBuildCreateVnodeMsg(SVgObj *pVgroup) {
   SMDCreateVnodeMsg *pVnode = rpcMallocCont(sizeof(SMDCreateVnodeMsg));
   if (pVnode == NULL) return NULL;
 
+  strcpy(pVnode->db, pVgroup->dbName);
+
   SMDVnodeCfg *pCfg = &pVnode->cfg;
   pCfg->vgId                = htonl(pVgroup->vgId);
   pCfg->cfgVersion          = htonl(pDb->cfgVersion);
@@ -594,7 +596,7 @@ SRpcIpSet mnodeGetIpSetFromIp(char *ep) {
 }
 
 void mnodeSendCreateVnodeMsg(SVgObj *pVgroup, SRpcIpSet *ipSet, void *ahandle) {
-  mTrace("vgId:%d, send create vnode:%d msg, ahandle:%p", pVgroup->vgId, pVgroup->vgId, ahandle);
+  mTrace("vgId:%d, send create vnode:%d msg, ahandle:%p db:%s", pVgroup->vgId, pVgroup->vgId, ahandle, pVgroup->dbName);
   SMDCreateVnodeMsg *pCreate = mnodeBuildCreateVnodeMsg(pVgroup);
   SRpcMsg rpcMsg = {
     .handle  = ahandle,
diff --git a/src/rpc/src/rpcTcp.c b/src/rpc/src/rpcTcp.c
index 1e9b39414edd02531378cc34eda15ff0cd7f71bf..defd277db1fe31a1732363326a399f217a2ed3cf 100644
--- a/src/rpc/src/rpcTcp.c
+++ b/src/rpc/src/rpcTcp.c
@@ -211,7 +211,7 @@ static void* taosAcceptTcpConnection(void *arg) {
         tTrace("%s TCP server socket was shutdown, exiting...", pServerObj->label);
         break;
       }
-      tError("%s TCP accept failure(%s)", pServerObj->label, errno, strerror(errno));
+      tError("%s TCP accept failure(%s)", pServerObj->label, strerror(errno));
       continue;
     }
 
diff --git a/src/vnode/inc/vnodeInt.h b/src/vnode/inc/vnodeInt.h
index 0168304b5158a1a76bae06cce1b9b3dc0132360b..7c95e81cf54272e03d5f142726189478b93d9797 100644
--- a/src/vnode/inc/vnodeInt.h
+++ b/src/vnode/inc/vnodeInt.h
@@ -51,6 +51,7 @@ typedef struct {
   SSyncCfg     syncCfg;
   SWalCfg      walCfg;
   char        *rootDir;
+  char         db[TSDB_DB_NAME_LEN + 1];
 } SVnodeObj;
 
 int  vnodeWriteToQueue(void *param, void *pHead, int type);
diff --git a/src/vnode/src/vnodeMain.c b/src/vnode/src/vnodeMain.c
index c2831c3bd574f2c94666b2820d779301f1811a42..fe528c89f6dfefcdd0b70ef1e5979ac458936546 100644
--- a/src/vnode/src/vnodeMain.c
+++ b/src/vnode/src/vnodeMain.c
@@ -498,7 +498,7 @@ static int32_t vnodeSaveCfg(SMDCreateVnodeMsg *pVnodeCfg) {
   }
 
   len += snprintf(content + len, maxLen - len, "{\n");
-
+  len += snprintf(content + len, maxLen - len, "  \"db\": \"%s\",\n", pVnodeCfg->db);
   len += snprintf(content + len, maxLen - len, "  \"cfgVersion\": %d,\n", pVnodeCfg->cfg.cfgVersion);
   len += snprintf(content + len, maxLen - len, "  \"cacheBlockSize\": %d,\n", pVnodeCfg->cfg.cacheBlockSize);
   len += snprintf(content + len, maxLen - len, "  \"totalBlocks\": %d,\n", pVnodeCfg->cfg.totalBlocks);
@@ -570,6 +570,13 @@ static int32_t vnodeReadCfg(SVnodeObj *pVnode) {
     goto PARSE_OVER;
   }
 
+  cJSON *db = cJSON_GetObjectItem(root, "db");
+  if (!db || db->type != cJSON_String || db->valuestring == NULL) {
+    vError("vgId:%d, failed to read vnode cfg, db not found", pVnode->vgId);
+    goto PARSE_OVER;
+  }
+  strcpy(pVnode->db, db->valuestring);
+  
   cJSON *cfgVersion = cJSON_GetObjectItem(root, "cfgVersion");
   if (!cfgVersion || cfgVersion->type != cJSON_Number) {
     vError("vgId:%d, failed to read vnode cfg, cfgVersion not found", pVnode->vgId);