reset msg while create vgroup

src/mnode/src/mnodeVgroup.c

@@ -471,6 +471,8 @@ static int32_t mnodeCreateVgroupCb(SMnodeMsg *pMsg, int32_t code) {
   }
 
   pMsg->expected = pVgroup->numOfVnodes;
+  pMsg->successed = 0;
+  pMsg->received = 0;
   mnodeSendCreateVgroupMsg(pVgroup, pMsg);
 
   return TSDB_CODE_MND_ACTION_IN_PROGRESS;
@@ -836,6 +838,8 @@ static void mnodeProcessCreateVnodeRsp(SRpcMsg *rpcMsg) {
          pVgroup->vgId, tstrerror(rpcMsg->code), mnodeMsg->received, mnodeMsg->successed, mnodeMsg->expected,
          mnodeMsg->rpcMsg.handle, rpcMsg->ahandle);
 
+  assert(mnodeMsg->received <= mnodeMsg->expected);
+
   if (mnodeMsg->received != mnodeMsg->expected) return;
 
   if (mnodeMsg->received == mnodeMsg->successed) {