diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 9d23557ee7..0571f8382a 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -3051,6 +3051,12 @@ typedef struct {
   void*   msg;
 } SBatchMsg;
 
+typedef struct {
+  SMsgHead  header;
+  int32_t   msgNum;
+  SBatchMsg msg[];
+} SBatchReq;
+
 typedef struct {
   int32_t reqType;
   int32_t msgLen;
@@ -3063,7 +3069,7 @@ static FORCE_INLINE void tFreeSBatchRsp(void *p) {
     return;
   }
 
-  SBatchRsp* pRsp = (SBatchRsp*);
+  SBatchRsp* pRsp = (SBatchRsp*)p;
   taosMemoryFree(pRsp->msg);
 }
 
diff --git a/include/common/tmsgdef.h b/include/common/tmsgdef.h
index 2d5a703b62..20dc04631e 100644
--- a/include/common/tmsgdef.h
+++ b/include/common/tmsgdef.h
@@ -136,6 +136,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_MND_DROP_INDEX, "drop-index", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_GET_INDEX, "get-index", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_GET_TABLE_INDEX, "get-table-index", NULL, NULL)
+  TD_DEF_MSG_TYPE(TDMT_MND_BATCH_META, "batch-meta", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_TABLE_CFG, "table-cfg", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_CREATE_TOPIC, "create-topic", SMCreateTopicReq, SMCreateTopicRsp)
   TD_DEF_MSG_TYPE(TDMT_MND_ALTER_TOPIC, "alter-topic", NULL, NULL)
diff --git a/source/dnode/vnode/src/inc/vnd.h b/source/dnode/vnode/src/inc/vnd.h
index 44281ea38e..dd1facb462 100644
--- a/source/dnode/vnode/src/inc/vnd.h
+++ b/source/dnode/vnode/src/inc/vnd.h
@@ -80,6 +80,7 @@ int32_t vnodeQueryOpen(SVnode* pVnode);
 void    vnodeQueryClose(SVnode* pVnode);
 int32_t vnodeGetTableMeta(SVnode* pVnode, SRpcMsg* pMsg, bool direct);
 int     vnodeGetTableCfg(SVnode* pVnode, SRpcMsg* pMsg, bool direct);
+int32_t vnodeGetBatchMeta(SVnode *pVnode, SRpcMsg *pMsg);
 
 // vnodeCommit.c
 int32_t vnodeBegin(SVnode* pVnode);
diff --git a/source/dnode/vnode/src/vnd/vnodeQuery.c b/source/dnode/vnode/src/vnd/vnodeQuery.c
index bf846dba13..6b36a66776 100644
--- a/source/dnode/vnode/src/vnd/vnodeQuery.c
+++ b/source/dnode/vnode/src/vnd/vnodeQuery.c
@@ -124,6 +124,8 @@ _exit:
 
   if (direct) {
     tmsgSendRsp(&rpcMsg);
+  } else {
+    *pMsg = rpcMsg;
   }
   
   taosMemoryFree(metaRsp.pSchemas);
@@ -241,6 +243,8 @@ _exit:
 
   if (direct) {
     tmsgSendRsp(&rpcMsg);
+  } else {
+    *pMsg = rpcMsg;
   }
   
   tFreeSTableCfgRsp(&cfgRsp);
@@ -253,8 +257,9 @@ int32_t vnodeGetBatchMeta(SVnode *pVnode, SRpcMsg *pMsg) {
   int32_t code = 0;
   int32_t offset = 0;
   int32_t rspSize = 0;
-  int32_t msgNum = ntohl(pMsg->pCont);
-  offset += sizeof(msgNum);
+  SBatchReq *batchReq = (SBatchReq*)pMsg->pCont;
+  int32_t msgNum = ntohl(batchReq->msgNum);
+  offset += sizeof(SBatchReq);
   SBatchMsg req = {0};
   SBatchRsp rsp = {0};
   SRpcMsg reqMsg = *pMsg;
@@ -268,11 +273,11 @@ int32_t vnodeGetBatchMeta(SVnode *pVnode, SRpcMsg *pMsg) {
   }
   
   for (int32_t i = 0; i < msgNum; ++i) {
-    req.msgType = ntohl((char*)pMsg->pCont + offset);
-    offset += req.msgType;
+    req.msgType = ntohl(*(int32_t*)((char*)pMsg->pCont + offset));
+    offset += sizeof(req.msgType);
 
-    req.msgLen = ntohl((char*)pMsg->pCont + offset);
-    offset += req.msgLen;
+    req.msgLen = ntohl(*(int32_t*)((char*)pMsg->pCont + offset));
+    offset += sizeof(req.msgLen);
 
     req.msg = (char*)pMsg->pCont + offset;
     offset += req.msgLen;
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index 830ab6e37c..f560d6a8c2 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -296,7 +296,7 @@ int32_t vnodeProcessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
 int32_t vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo) {
   vTrace("message in fetch queue is processing");
   if ((pMsg->msgType == TDMT_SCH_FETCH || pMsg->msgType == TDMT_VND_TABLE_META ||
-       pMsg->msgType == TDMT_VND_TABLE_CFG || pMsg->msgType = TDMT_VND_BATCH_META) &&
+       pMsg->msgType == TDMT_VND_TABLE_CFG || pMsg->msgType == TDMT_VND_BATCH_META) &&
       !vnodeIsLeader(pVnode)) {
     vnodeRedirectRpcMsg(pVnode, pMsg);
     return 0;
diff --git a/source/libs/catalog/inc/catalogInt.h b/source/libs/catalog/inc/catalogInt.h
index 4bd85792cd..0821a91d6b 100644
--- a/source/libs/catalog/inc/catalogInt.h
+++ b/source/libs/catalog/inc/catalogInt.h
@@ -208,7 +208,7 @@ typedef struct SCtgBatch {
   int32_t msgType;
   int32_t msgSize;
   SArray* pMsgs;
-  SRequestConnInfo *pConn;
+  SRequestConnInfo conn;
   char    dbFName[TSDB_DB_FNAME_LEN];
   SArray* pTaskIds;
 } SCtgBatch;
@@ -634,6 +634,7 @@ int32_t ctgGetTbMetaFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SNa
 int32_t ctgGetTableCfgFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, SVgroupInfo *vgroupInfo, STableCfg **out, SCtgTask* pTask);
 int32_t ctgGetTableCfgFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, STableCfg **out, SCtgTask* pTask);
 int32_t ctgGetSvrVerFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, char **out, SCtgTask* pTask);
+int32_t ctgLaunchBatchs(SCatalog* pCtg, SCtgJob *pJob, SHashObj* pBatchs);
 
 int32_t ctgInitJob(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgJob** job, const SCatalogReq* pReq, catalogCallback fp, void* param);
 int32_t ctgLaunchJob(SCtgJob *pJob);
@@ -660,7 +661,7 @@ int32_t ctgDbVgVersionSearchCompare(const void* key1, const void* key2);
 void    ctgFreeSTableMetaOutput(STableMetaOutput* pOutput);
 int32_t ctgUpdateMsgCtx(SCtgMsgCtx* pCtx, int32_t reqType, void* out, char* target);
 char *  ctgTaskTypeStr(CTG_TASK_TYPE type);
-int32_t ctgUpdateSendTargetInfo(SMsgSendInfo *pMsgSendInfo, int32_t msgType, SCtgTask* pTask);
+int32_t ctgUpdateSendTargetInfo(SMsgSendInfo *pMsgSendInfo, int32_t msgType, char* dbFName, int32_t vgId);
 int32_t ctgCloneTableIndex(SArray* pIndex, SArray** pRes);
 void    ctgFreeSTableIndex(void *info);
 void    ctgClearSubTaskRes(SCtgSubRes *pRes);
diff --git a/source/libs/catalog/src/ctgAsync.c b/source/libs/catalog/src/ctgAsync.c
index 65c6a0f76b..9a666eb4ff 100644
--- a/source/libs/catalog/src/ctgAsync.c
+++ b/source/libs/catalog/src/ctgAsync.c
@@ -1709,12 +1709,12 @@ int32_t ctgLaunchJob(SCtgJob *pJob) {
   
   for (int32_t i = 0; i < taskNum; ++i) {
     SCtgTask *pTask = taosArrayGet(pJob->pTasks, i);
+    pTask->pBatchs = pJob->pBatchs;
 
     qDebug("QID:0x%" PRIx64 " ctg launch [%dth] task", pJob->queryId, pTask->taskId);
     CTG_ERR_RET((*gCtgAsyncFps[pTask->type].launchFp)(pTask));
     
     pTask->status = CTG_TASK_LAUNCHED;
-    pTask->pBatchs = pJob->pBatchs;
   }
 
   if (taskNum <= 0) {
diff --git a/source/libs/catalog/src/ctgRemote.c b/source/libs/catalog/src/ctgRemote.c
index 04ffbca629..8b1d125a58 100644
--- a/source/libs/catalog/src/ctgRemote.c
+++ b/source/libs/catalog/src/ctgRemote.c
@@ -24,13 +24,14 @@
 int32_t ctgHandleBatchRsp(SCtgJob* pJob, SCtgTaskCallbackParam* cbParam, SDataBuf *pMsg, int32_t rspCode) {
   int32_t code = 0;
   SArray* pTaskId = cbParam->taskId;
+  SCatalog* pCtg = pJob->pCtg;
   int32_t taskNum = taosArrayGetSize(pTaskId);
   SDataBuf taskMsg = *pMsg;
   int32_t offset = 0;
-  int32_t msgNum = (pMsg->pData && (pMsg->len > 0)) ? htonl(pMsg->pData) : 0;
+  int32_t msgNum = (pMsg->pData && (pMsg->len > 0)) ? ntohl(*(int32_t*)pMsg->pData) : 0;
   ASSERT(taskNum == msgNum || 0 == msgNum);
 
-  qDebug("QID:0x%" PRIx64 " ctg got batch %d rsp %s", pJob->queryId, cbParam->batchId, TMSG_INFO(cbParam->reqType + 1));
+  ctgDebug("QID:0x%" PRIx64 " ctg got batch %d rsp %s", pJob->queryId, cbParam->batchId, TMSG_INFO(cbParam->reqType + 1));
 
   offset += sizeof(msgNum);
   SBatchRsp rsp = {0};
@@ -41,14 +42,14 @@ int32_t ctgHandleBatchRsp(SCtgJob* pJob, SCtgTaskCallbackParam* cbParam, SDataBu
   }
   
   for (int32_t i = 0; i < taskNum; ++i) {
-    int32_t taskId = taosArrayGet(pTaskId, i);
-    SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskId);
+    int32_t* taskId = taosArrayGet(pTaskId, i);
+    SCtgTask *pTask = taosArrayGet(pJob->pTasks, *taskId);
     if (msgNum > 0) {
-      rsp.reqType = htonl(((char*)pMsg->pData) + offset);
+      rsp.reqType = ntohl(*(int32_t*)((char*)pMsg->pData + offset));
       offset += sizeof(rsp.reqType);
-      rsp.msgLen = htonl(((char*)pMsg->pData) + offset);
+      rsp.msgLen = ntohl(*(int32_t*)((char*)pMsg->pData + offset));
       offset += sizeof(rsp.msgLen);
-      rsp.rspCode = htonl(((char*)pMsg->pData) + offset);
+      rsp.rspCode = ntohl(*(int32_t*)((char*)pMsg->pData + offset));
       offset += sizeof(rsp.rspCode);
       rsp.msg = ((char*)pMsg->pData) + offset;
       offset += rsp.msgLen;
@@ -65,7 +66,7 @@ int32_t ctgHandleBatchRsp(SCtgJob* pJob, SCtgTaskCallbackParam* cbParam, SDataBu
 
     pTask->pBatchs = pBatchs;
     
-    qDebug("QID:0x%" PRIx64 " ctg task %d start to handle rsp %s", pJob->queryId, pTask->taskId, TMSG_INFO(taskMsg.msgType + 1));
+    ctgDebug("QID:0x%" PRIx64 " ctg task %d start to handle rsp %s", pJob->queryId, pTask->taskId, TMSG_INFO(taskMsg.msgType + 1));
     
     (*gCtgAsyncFps[pTask->type].handleRspFp)(pTask, rsp.reqType, &taskMsg, (rsp.rspCode ? rsp.rspCode : rspCode));
   }
@@ -317,15 +318,30 @@ int32_t ctgHandleMsgCallback(void *param, SDataBuf *pMsg, int32_t rspCode) {
     goto _return;
   }
 
+  SCatalog* pCtg = pJob->pCtg;
+
   if (TDMT_VND_BATCH_META == cbParam->reqType || TDMT_MND_BATCH_META == cbParam->reqType) {
     CTG_ERR_JRET(ctgHandleBatchRsp(pJob, cbParam, pMsg, rspCode));
   } else {
-    int32_t taskId = taosArrayGet(cbParam->taskId, 0);
-    SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskId);
+    int32_t *taskId = taosArrayGet(cbParam->taskId, 0);
+    SCtgTask *pTask = taosArrayGet(pJob->pTasks, *taskId);
 
     qDebug("QID:0x%" PRIx64 " ctg task %d start to handle rsp %s", pJob->queryId, pTask->taskId, TMSG_INFO(cbParam->reqType + 1));
-    
+
+#if CTG_BATCH_FETCH
+    SHashObj* pBatchs = taosHashInit(CTG_DEFAULT_BATCH_NUM, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
+    if (NULL == pBatchs) {
+      ctgError("taosHashInit %d batch failed", CTG_DEFAULT_BATCH_NUM);
+      CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
+    }
+    pTask->pBatchs = pBatchs;
+#endif
+
     CTG_ERR_JRET((*gCtgAsyncFps[pTask->type].handleRspFp)(pTask, cbParam->reqType, pMsg, rspCode));
+
+#if CTG_BATCH_FETCH
+    CTG_ERR_JRET(ctgLaunchBatchs(pJob->pCtg, pJob, pBatchs));    
+#endif    
   }
   
 _return:
@@ -393,6 +409,7 @@ int32_t ctgAsyncSendMsg(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgJob* pJob,
 
   int64_t transporterId = 0;
   code = asyncSendMsgToServer(pConn->pTrans, &pConn->mgmtEps, &transporterId, pMsgSendInfo);
+  pMsgSendInfo = NULL;
   if (code) {
     ctgError("asyncSendMsgToSever failed, error: %s", tstrerror(code));
     CTG_ERR_JRET(code);
@@ -426,7 +443,7 @@ int32_t ctgAddBatch(SCatalog* pCtg, int32_t vgId, SRequestConnInfo *pConn, SCtgT
       CTG_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
     }
     
-    newBatch.pConn = pConn;
+    newBatch.conn = *pConn;
 
     req.msgType = msgType;
     req.msgLen = msgSize;
@@ -437,7 +454,7 @@ int32_t ctgAddBatch(SCatalog* pCtg, int32_t vgId, SRequestConnInfo *pConn, SCtgT
     if (NULL == taosArrayPush(newBatch.pTaskIds, &pTask->taskId)) {
       CTG_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
     }
-    newBatch.msgSize = sizeof(req) + msgSize - POINTER_BYTES;
+    newBatch.msgSize = sizeof(SBatchReq) + sizeof(req) + msgSize - POINTER_BYTES;
 
     if (vgId > 0) {
       if (TDMT_VND_TABLE_CFG == msgType) {
@@ -459,7 +476,7 @@ int32_t ctgAddBatch(SCatalog* pCtg, int32_t vgId, SRequestConnInfo *pConn, SCtgT
       CTG_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
     }
 
-    ctgDebug("task %d %s req added to batch %d, target vgId %d", pTask->taskId, TMSG_INFO(msgType), newBatch->batchId, vgId);
+    ctgDebug("task %d %s req added to batch %d, target vgId %d", pTask->taskId, TMSG_INFO(msgType), newBatch.batchId, vgId);
 
     return TSDB_CODE_SUCCESS;
   }
@@ -500,7 +517,7 @@ _return:
   return code;
 }
 
-int32_t ctgBuildBatchReqMsg(SCtgBatch* pBatch, void** msg) {
+int32_t ctgBuildBatchReqMsg(SCtgBatch* pBatch, int32_t vgId, void** msg) {
   *msg = taosMemoryMalloc(pBatch->msgSize);
   if (NULL == (*msg)) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
@@ -508,8 +525,11 @@ int32_t ctgBuildBatchReqMsg(SCtgBatch* pBatch, void** msg) {
 
   int32_t offset = 0;
   int32_t num = taosArrayGetSize(pBatch->pMsgs);
-  *(int32_t*)((char*)(*msg) + offset) = htonl(num);
-  offset += sizeof(num);
+  SBatchReq *pBatchReq = (SBatchReq*)(*msg);
+
+  pBatchReq->header.vgId = htonl(vgId);
+  pBatchReq->msgNum = htonl(num);
+  offset += sizeof(SBatchReq);
   
   for (int32_t i = 0; i < num; ++i) {
     SBatchMsg* pReq = taosArrayGet(pBatch->pMsgs, i);
@@ -534,9 +554,11 @@ int32_t ctgLaunchBatchs(SCatalog* pCtg, SCtgJob *pJob, SHashObj* pBatchs) {
     size_t len = 0;
     int32_t* vgId = taosHashGetKey(p, &len);
     SCtgBatch* pBatch = (SCtgBatch*)p;
+
+    ctgDebug("QID:0x%" PRIx64 " ctg start to launch batch %d", pJob->queryId, pBatch->batchId);
     
-    CTG_ERR_JRET(ctgBuildBatchReqMsg(pBatch, &msg));
-    CTG_ERR_JRET(ctgAsyncSendMsg(pCtg, pBatch->pConn, pJob, pBatch->pTaskIds, pBatch->batchId, 
+    CTG_ERR_JRET(ctgBuildBatchReqMsg(pBatch, *vgId, &msg));
+    CTG_ERR_JRET(ctgAsyncSendMsg(pCtg, &pBatch->conn, pJob, pBatch->pTaskIds, pBatch->batchId, 
                  pBatch->dbFName, *vgId, pBatch->msgType, msg, pBatch->msgSize));
 
     p = taosHashIterate(pBatchs, p);
@@ -1016,7 +1038,7 @@ int32_t ctgGetTbMetaFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SNa
                              .mgmtEps = vgroupInfo->epSet};
 
 #if CTG_BATCH_FETCH
-    CTG_RET(ctgAddVnodeBatch(pCtg, vgroupInfo->vgId, &vConn, pTask, reqType, msg, msgLen));
+    CTG_RET(ctgAddBatch(pCtg, vgroupInfo->vgId, &vConn, pTask, reqType, msg, msgLen));
 #else      
     SCtgTbMetaCtx* ctx = (SCtgTbMetaCtx*)pTask->taskCtx;
     char dbFName[TSDB_DB_FNAME_LEN];
diff --git a/source/libs/qcom/src/querymsg.c b/source/libs/qcom/src/querymsg.c
index 78ecde6003..ed8786170d 100644
--- a/source/libs/qcom/src/querymsg.c
+++ b/source/libs/qcom/src/querymsg.c
@@ -636,7 +636,6 @@ void initQueryModuleMsgHandle() {
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_GET_TABLE_INDEX)] = queryProcessGetTbIndexRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_VND_TABLE_CFG)]       = queryProcessGetTbCfgRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_TABLE_CFG)]       = queryProcessGetTbCfgRsp;
-  queryProcessMsgRsp[TMSG_INDEX(TDMT_VND_BATCH_META)]       = queryProcessGetBatchMetaRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_SERVER_VERSION)]  = queryProcessGetSerVerRsp;
 }