diff --git a/source/dnode/mnode/impl/src/mndSubscribe.c b/source/dnode/mnode/impl/src/mndSubscribe.c
index 5cd0adf0841eecfdf9ba1e4d45ea73864f0cc397..4a263b5bce93b2be57fd45ae09d7e653e9fc0a3b 100644
--- a/source/dnode/mnode/impl/src/mndSubscribe.c
+++ b/source/dnode/mnode/impl/src/mndSubscribe.c
@@ -96,26 +96,12 @@ static SMqSubscribeObj *mndCreateSub(SMnode *pMnode, const SMqTopicObj *pTopic,
   pSub->subType = pTopic->subType;
   pSub->withMeta = pTopic->withMeta;
 
-  if (pSub->unassignedVgs->size != 0 || taosHashGetSize(pSub->consumerHash) != 0) {
-    tDeleteSubscribeObj(pSub);
-    taosMemoryFree(pSub);
-    terrno = TSDB_CODE_MND_INVALID_SUB_OPTION;
-    return NULL;
-  }
-
   if (mndSchedInitSubEp(pMnode, pTopic, pSub) < 0) {
     tDeleteSubscribeObj(pSub);
     taosMemoryFree(pSub);
     return NULL;
   }
 
-  if (pSub->unassignedVgs->size <= 0 || taosHashGetSize(pSub->consumerHash) != 0) {
-    tDeleteSubscribeObj(pSub);
-    taosMemoryFree(pSub);
-    terrno = TSDB_CODE_MND_INVALID_SUB_OPTION;
-    return NULL;
-  }
-
   return pSub;
 }
 
@@ -229,24 +215,10 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
   int32_t actualRemoved = 0;
   for (int32_t i = 0; i < removedNum; i++) {
     int64_t consumerId = *(int64_t *)taosArrayGet(pInput->pRebInfo->removedConsumers, i);
-    if (consumerId <= 0) {
-      mError("sub:%s, mq rebalance cunsumerId:%" PRId64 " <= 0", sub, consumerId);
-      continue;
-    }
 
     SMqConsumerEp *pConsumerEp = taosHashGet(pOutput->pSub->consumerHash, &consumerId, sizeof(int64_t));
-    if (pConsumerEp == NULL) {
-      mError("sub:%s, mq rebalance ep is null, cunsumberId:%" PRId64, sub, consumerId);
-      continue;
-    }
 
     if (pConsumerEp) {
-      if (consumerId != pConsumerEp->consumerId) {
-        mError("sub:%s, mq rebalance cunsumberId:%" PRId64 " not matched saved:%" PRId64, sub, consumerId,
-               pConsumerEp->consumerId);
-        continue;
-      }
-
       actualRemoved++;
       int32_t consumerVgNum = taosArrayGetSize(pConsumerEp->vgs);
       for (int32_t j = 0; j < consumerVgNum; j++) {
@@ -305,10 +277,6 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
     pIter = taosHashIterate(pOutput->pSub->consumerHash, pIter);
     if (pIter == NULL) break;
     SMqConsumerEp *pConsumerEp = (SMqConsumerEp *)pIter;
-    if (pConsumerEp->consumerId <= 0) {
-      mError("sub:%s, mq rebalance cunsumberId:%" PRId64 " <= 0", sub, pConsumerEp->consumerId);
-      continue;
-    }
 
     int32_t consumerVgNum = taosArrayGetSize(pConsumerEp->vgs);
     // all old consumers still existing are touched
@@ -356,10 +324,6 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
     int32_t consumerNum = taosArrayGetSize(pInput->pRebInfo->newConsumers);
     for (int32_t i = 0; i < consumerNum; i++) {
       int64_t consumerId = *(int64_t *)taosArrayGet(pInput->pRebInfo->newConsumers, i);
-      if (consumerId <= 0) {
-        mError("sub:%s, mq rebalance cunsumberId:%" PRId64 " <= 0", sub, consumerId);
-        continue;
-      }
 
       SMqConsumerEp newConsumerEp;
       newConsumerEp.consumerId = consumerId;
@@ -379,10 +343,6 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
     pIter = taosHashIterate(pOutput->pSub->consumerHash, pIter);
     if (pIter == NULL) break;
     SMqConsumerEp *pConsumerEp = (SMqConsumerEp *)pIter;
-    if (pConsumerEp->consumerId <= 0) {
-      mError("sub:%s, mq rebalance cunsumberId:%" PRId64 " <= 0", sub, pConsumerEp->consumerId);
-      continue;
-    }
 
     // push until equal minVg
     while (taosArrayGetSize(pConsumerEp->vgs) < minVgCnt) {
@@ -417,10 +377,6 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
       while (1) {
         pIter = taosHashIterate(pOutput->pSub->consumerHash, pIter);
         pConsumerEp = (SMqConsumerEp *)pIter;
-        if (pConsumerEp == NULL || pConsumerEp->consumerId <= 0) {
-          mError("sub:%s, mq rebalance cunsumberId invalid", sub);
-          continue;
-        }
 
         if (taosArrayGetSize(pConsumerEp->vgs) == minVgCnt) {
           break;
@@ -446,10 +402,6 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
       pIter = taosHashIterate(pHash, pIter);
       if (pIter == NULL) break;
       pRebOutput = (SMqRebOutputVg *)pIter;
-      if (pRebOutput->newConsumerId != 1) {
-        mError("sub:%s, mq rebalance output consumerId:%" PRId64 " not -1", sub, pRebOutput->newConsumerId);
-        continue;
-      }
 
       taosArrayPush(pOutput->pSub->unassignedVgs, &pRebOutput->pVgEp);
       taosArrayPush(pOutput->rebVgs, pRebOutput);
@@ -534,7 +486,6 @@ static int32_t mndPersistRebResult(SMnode *pMnode, SRpcMsg *pMsg, const SMqRebOu
   consumerNum = taosArrayGetSize(pOutput->newConsumers);
   for (int32_t i = 0; i < consumerNum; i++) {
     int64_t consumerId = *(int64_t *)taosArrayGet(pOutput->newConsumers, i);
-    if (consumerId <= 0) continue;
 
     SMqConsumerObj *pConsumerOld = mndAcquireConsumer(pMnode, consumerId);
     SMqConsumerObj *pConsumerNew = tNewSMqConsumerObj(pConsumerOld->consumerId, pConsumerOld->cgroup);
@@ -557,7 +508,6 @@ static int32_t mndPersistRebResult(SMnode *pMnode, SRpcMsg *pMsg, const SMqRebOu
   consumerNum = taosArrayGetSize(pOutput->removedConsumers);
   for (int32_t i = 0; i < consumerNum; i++) {
     int64_t consumerId = *(int64_t *)taosArrayGet(pOutput->removedConsumers, i);
-    if (consumerId <= 0) continue;
 
     SMqConsumerObj *pConsumerOld = mndAcquireConsumer(pMnode, consumerId);
     SMqConsumerObj *pConsumerNew = tNewSMqConsumerObj(pConsumerOld->consumerId, pConsumerOld->cgroup);
@@ -631,6 +581,13 @@ static int32_t mndProcessRebalanceReq(SRpcMsg *pMsg) {
       taosRLockLatch(&pTopic->lock);
 
       rebOutput.pSub = mndCreateSub(pMnode, pTopic, pRebInfo->key);
+
+      if (rebOutput.pSub == NULL) {
+        mError("mq rebalance %s failed create sub since %s, abort", pRebInfo->key, terrstr());
+        taosRUnLockLatch(&pTopic->lock);
+        mndReleaseTopic(pMnode, pTopic);
+        continue;
+      }
       memcpy(rebOutput.pSub->dbName, pTopic->db, TSDB_DB_FNAME_LEN);
 
       taosRUnLockLatch(&pTopic->lock);