fix: fix mnd meta issue

source/dnode/mnode/impl/src/mndQuery.c

@@ -105,12 +105,14 @@ int32_t mndProcessBatchMetaMsg(SRpcMsg *pMsg) {
       terrno = TSDB_CODE_MSG_NOT_PROCESSED;
       return -1;
     }
-    
-    code = (*fp)(&reqMsg);
 
+    if ((*fp)(&reqMsg)) {
+      rsp.rspCode = terrno;
+    } else {
+      rsp.rspCode = 0;
+    }
     rsp.reqType = reqMsg.msgType;
     rsp.msgLen = reqMsg.info.rspLen;
-    rsp.rspCode = code;
     rsp.msg = reqMsg.info.rsp;
     
     taosArrayPush(batchRsp, &rsp);

source/libs/catalog/src/ctgRemote.c

@@ -27,7 +27,7 @@ int32_t ctgHandleBatchRsp(SCtgJob* pJob, SCtgTaskCallbackParam* cbParam, SDataBu
   int32_t taskNum = taosArrayGetSize(pTaskId);
   SDataBuf taskMsg = *pMsg;
   int32_t offset = 0;
-  int32_t msgNum = (pMsg->pData && (pMsg->len > 0)) ? ntohl(*(int32_t*)pMsg->pData) : 0;
+  int32_t msgNum = (TSDB_CODE_SUCCESS == rspCode && pMsg->pData && (pMsg->len > 0)) ? ntohl(*(int32_t*)pMsg->pData) : 0;
   ASSERT(taskNum == msgNum || 0 == msgNum);
 
   ctgDebug("QID:0x%" PRIx64 " ctg got batch %d rsp %s", pJob->queryId, cbParam->batchId, TMSG_INFO(cbParam->reqType + 1));