diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index b315432be1..51f336c3aa 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -345,6 +345,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_MND_TOPIC_SUBSCRIBED          TAOS_DEF_ERROR_CODE(0, 0x03EB)
 #define TSDB_CODE_MND_CGROUP_USED               TAOS_DEF_ERROR_CODE(0, 0x03EC)
 #define TSDB_CODE_MND_TOPIC_MUST_BE_DELETED     TAOS_DEF_ERROR_CODE(0, 0x03ED)
+#define TSDB_CODE_MND_INVALID_SUB_OPTION        TAOS_DEF_ERROR_CODE(0, 0x03EE)
 #define TSDB_CODE_MND_IN_REBALANCE              TAOS_DEF_ERROR_CODE(0, 0x03EF)
 
 // mnode-stream
diff --git a/source/dnode/mgmt/mgmt_snode/src/smWorker.c b/source/dnode/mgmt/mgmt_snode/src/smWorker.c
index 2ed960546a..e8402eb7c0 100644
--- a/source/dnode/mgmt/mgmt_snode/src/smWorker.c
+++ b/source/dnode/mgmt/mgmt_snode/src/smWorker.c
@@ -157,8 +157,10 @@ int32_t smPutMsgToQueue(SSnodeMgmt *pMgmt, EQueueType qtype, SRpcMsg *pRpc) {
       smPutNodeMsgToWriteQueue(pMgmt, pMsg);
       break;
     default:
-      ASSERTS(0, "msg:%p failed to put into snode queue since %s, type:%s qtype:%d", pMsg, terrstr(),
-              TMSG_INFO(pMsg->msgType), qtype);
+      terrno = TSDB_CODE_INVALID_PARA;
+      rpcFreeCont(pMsg->pCont);
+      taosFreeQitem(pMsg);
+      return -1;
   }
   return 0;
 }
diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index 8a4f6c2195..87b5a5c42d 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -112,7 +112,6 @@ static SSdbRaw *mndDbActionEncode(SDbObj *pDb) {
   SDB_SET_INT8(pRaw, dataPos, pDb->cfg.hashMethod, _OVER)
   SDB_SET_INT32(pRaw, dataPos, pDb->cfg.numOfRetensions, _OVER)
   for (int32_t i = 0; i < pDb->cfg.numOfRetensions; ++i) {
-    ASSERT(taosArrayGetSize(pDb->cfg.pRetensions) == pDb->cfg.numOfRetensions);
     SRetention *pRetension = taosArrayGet(pDb->cfg.pRetensions, i);
     SDB_SET_INT64(pRaw, dataPos, pRetension->freq, _OVER)
     SDB_SET_INT64(pRaw, dataPos, pRetension->keep, _OVER)
@@ -364,6 +363,7 @@ static int32_t mndCheckDbCfg(SMnode *pMnode, SDbCfg *pCfg) {
   if (pCfg->hashPrefix < TSDB_MIN_HASH_PREFIX || pCfg->hashPrefix > TSDB_MAX_HASH_PREFIX) return -1;
   if (pCfg->hashSuffix < TSDB_MIN_HASH_SUFFIX || pCfg->hashSuffix > TSDB_MAX_HASH_SUFFIX) return -1;
   if (pCfg->tsdbPageSize < TSDB_MIN_TSDB_PAGESIZE || pCfg->tsdbPageSize > TSDB_MAX_TSDB_PAGESIZE) return -1;
+  if (taosArrayGetSize(pCfg->pRetensions) != pCfg->numOfRetensions) return -1;
 
   terrno = 0;
   return terrno;
diff --git a/source/dnode/mnode/impl/src/mndDef.c b/source/dnode/mnode/impl/src/mndDef.c
index b5c2fb05b3..a5f77513de 100644
--- a/source/dnode/mnode/impl/src/mndDef.c
+++ b/source/dnode/mnode/impl/src/mndDef.c
@@ -489,7 +489,7 @@ int32_t tEncodeSubscribeObj(void **buf, const SMqSubscribeObj *pSub) {
     tlen += tEncodeSMqConsumerEp(buf, pConsumerEp);
     cnt++;
   }
-  ASSERT(cnt == sz);
+  if(cnt != sz) return -1;
   tlen += taosEncodeArray(buf, pSub->unassignedVgs, (FEncode)tEncodeSMqVgEp);
   tlen += taosEncodeString(buf, pSub->dbName);
   return tlen;
diff --git a/source/dnode/mnode/impl/src/mndMnode.c b/source/dnode/mnode/impl/src/mndMnode.c
index 37fc9f79e1..c8c8e06c5e 100644
--- a/source/dnode/mnode/impl/src/mndMnode.c
+++ b/source/dnode/mnode/impl/src/mndMnode.c
@@ -763,7 +763,6 @@ static void mndReloadSyncConfig(SMnode *pMnode) {
     mInfo("vgId:1, mnode sync not reconfig since readyMnodes:%d updatingMnodes:%d", readyMnodes, updatingMnodes);
     return;
   }
-  // ASSERT(0);
 
   if (cfg.myIndex == -1) {
 #if 1
diff --git a/source/dnode/mnode/impl/src/mndShow.c b/source/dnode/mnode/impl/src/mndShow.c
index 6a7e2aaa51..7a8de4099f 100644
--- a/source/dnode/mnode/impl/src/mndShow.c
+++ b/source/dnode/mnode/impl/src/mndShow.c
@@ -111,7 +111,7 @@ static int32_t convertToRetrieveType(char *name, int32_t len) {
   } else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {
     type = TSDB_MGMT_TABLE_PRIVILEGES;
   } else {
-    //    ASSERT(0);
+    mError("invalid show name:%s len:%d", name, len);
   }
 
   return type;
diff --git a/source/dnode/mnode/impl/src/mndSma.c b/source/dnode/mnode/impl/src/mndSma.c
index 2d1f6eb505..141bb1df60 100644
--- a/source/dnode/mnode/impl/src/mndSma.c
+++ b/source/dnode/mnode/impl/src/mndSma.c
@@ -488,7 +488,7 @@ static int32_t mndCreateSma(SMnode *pMnode, SRpcMsg *pReq, SMCreateSmaReq *pCrea
   memcpy(smaObj.db, pDb->name, TSDB_DB_FNAME_LEN);
   smaObj.createdTime = taosGetTimestampMs();
   smaObj.uid = mndGenerateUid(pCreate->name, TSDB_TABLE_FNAME_LEN);
-  ASSERT(smaObj.uid != 0);
+
   char resultTbName[TSDB_TABLE_FNAME_LEN + 16] = {0};
   snprintf(resultTbName, TSDB_TABLE_FNAME_LEN + 16, "%s_td_tsma_rst_tb", pCreate->name);
   memcpy(smaObj.dstTbName, resultTbName, TSDB_TABLE_FNAME_LEN);
@@ -558,13 +558,15 @@ static int32_t mndCreateSma(SMnode *pMnode, SRpcMsg *pReq, SMCreateSmaReq *pCrea
 
   SNode *pAst = NULL;
   if (nodesStringToNode(streamObj.ast, &pAst) < 0) {
-    ASSERT(0);
+    terrno = TSDB_CODE_MND_INVALID_SMA_OPTION;
+    mError("sma:%s, failed to create since parse ast error", smaObj.name);
     return -1;
   }
 
   // extract output schema from ast
   if (qExtractResultSchema(pAst, (int32_t *)&streamObj.outputSchema.nCols, &streamObj.outputSchema.pSchema) != 0) {
-    ASSERT(0);
+    terrno = TSDB_CODE_MND_INVALID_SMA_OPTION;
+    mError("sma:%s, failed to create since extract result schema error", smaObj.name);
     return -1;
   }
 
@@ -579,15 +581,18 @@ static int32_t mndCreateSma(SMnode *pMnode, SRpcMsg *pReq, SMCreateSmaReq *pCrea
   };
 
   if (qCreateQueryPlan(&cxt, &pPlan, NULL) < 0) {
-    ASSERT(0);
+    terrno = TSDB_CODE_MND_INVALID_SMA_OPTION;
+    mError("sma:%s, failed to create since create query plan error", smaObj.name);
     return -1;
   }
 
   // save physcial plan
   if (nodesNodeToString((SNode *)pPlan, false, &streamObj.physicalPlan, NULL) != 0) {
-    ASSERT(0);
+    terrno = TSDB_CODE_MND_INVALID_SMA_OPTION;
+    mError("sma:%s, failed to create since save physcial plan error", smaObj.name);
     return -1;
   }
+
   if (pAst != NULL) nodesDestroyNode(pAst);
   nodesDestroyNode((SNode *)pPlan);
 
@@ -826,14 +831,13 @@ static int32_t mndDropSma(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pDb, SSmaObj *p
     if (mndDropStreamTasks(pMnode, pTrans, pStream) < 0) {
       mError("stream:%s, failed to drop task since %s", pStream->name, terrstr());
       sdbRelease(pMnode->pSdb, pStream);
-      ASSERT(0);
       goto _OVER;
     }
 
     // drop stream
     if (mndPersistDropStreamLog(pMnode, pTrans, pStream) < 0) {
+      mError("stream:%s, failed to drop log since %s", pStream->name, terrstr());
       sdbRelease(pMnode->pSdb, pStream);
-      ASSERT(0);
       goto _OVER;
     }
   }
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index 54b3202d24..d504a94700 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -1177,7 +1177,9 @@ static int32_t mndCheckAlterColForTopic(SMnode *pMnode, const char *stbFullName,
 
     SNode *pAst = NULL;
     if (nodesStringToNode(pTopic->ast, &pAst) != 0) {
-      ASSERT(0);
+      terrno = TSDB_CODE_MND_FIELD_CONFLICT_WITH_TOPIC;
+      mError("topic:%s, create ast error", pTopic->name);
+      sdbRelease(pSdb, pTopic);
       return -1;
     }
 
@@ -1222,7 +1224,9 @@ static int32_t mndCheckAlterColForStream(SMnode *pMnode, const char *stbFullName
 
     SNode *pAst = NULL;
     if (nodesStringToNode(pStream->ast, &pAst) != 0) {
-      ASSERT(0);
+      terrno = TSDB_CODE_MND_INVALID_STREAM_OPTION;
+      mError("stream:%s, create ast error", pStream->name);
+      sdbRelease(pSdb, pStream);
       return -1;
     }
 
@@ -2094,7 +2098,9 @@ static int32_t mndCheckDropStbForTopic(SMnode *pMnode, const char *stbFullName,
 
     SNode *pAst = NULL;
     if (nodesStringToNode(pTopic->ast, &pAst) != 0) {
-      ASSERT(0);
+      terrno = TSDB_CODE_MND_INVALID_TOPIC_OPTION;
+      mError("topic:%s, create ast error", pTopic->name);
+      sdbRelease(pSdb, pTopic);
       return -1;
     }
 
@@ -2141,7 +2147,9 @@ static int32_t mndCheckDropStbForStream(SMnode *pMnode, const char *stbFullName,
 
     SNode *pAst = NULL;
     if (nodesStringToNode(pStream->ast, &pAst) != 0) {
-      ASSERT(0);
+      terrno = TSDB_CODE_MND_INVALID_STREAM_OPTION;
+      mError("stream:%s, create ast error", pStream->name);
+      sdbRelease(pSdb, pStream);
       return -1;
     }
 
diff --git a/source/dnode/mnode/impl/src/mndSubscribe.c b/source/dnode/mnode/impl/src/mndSubscribe.c
index 418474baa6..b8ef185199 100644
--- a/source/dnode/mnode/impl/src/mndSubscribe.c
+++ b/source/dnode/mnode/impl/src/mndSubscribe.c
@@ -96,18 +96,12 @@ static SMqSubscribeObj *mndCreateSub(SMnode *pMnode, const SMqTopicObj *pTopic,
   pSub->subType = pTopic->subType;
   pSub->withMeta = pTopic->withMeta;
 
-  ASSERT(pSub->unassignedVgs->size == 0);
-  ASSERT(taosHashGetSize(pSub->consumerHash) == 0);
-
   if (mndSchedInitSubEp(pMnode, pTopic, pSub) < 0) {
     tDeleteSubscribeObj(pSub);
     taosMemoryFree(pSub);
     return NULL;
   }
 
-  ASSERT(pSub->unassignedVgs->size > 0);
-  ASSERT(taosHashGetSize(pSub->consumerHash) == 0);
-
   return pSub;
 }
 
@@ -144,7 +138,10 @@ static int32_t mndBuildSubChangeReq(void **pBuf, int32_t *pLen, const SMqSubscri
 
 static int32_t mndPersistSubChangeVgReq(SMnode *pMnode, STrans *pTrans, const SMqSubscribeObj *pSub,
                                         const SMqRebOutputVg *pRebVg) {
-  ASSERT(pRebVg->oldConsumerId != pRebVg->newConsumerId);
+  if (pRebVg->oldConsumerId == pRebVg->newConsumerId) {
+    terrno = TSDB_CODE_MND_INVALID_SUB_OPTION;
+    return -1;
+  }
 
   void   *buf;
   int32_t tlen;
@@ -155,8 +152,8 @@ static int32_t mndPersistSubChangeVgReq(SMnode *pMnode, STrans *pTrans, const SM
   int32_t vgId = pRebVg->pVgEp->vgId;
   SVgObj *pVgObj = mndAcquireVgroup(pMnode, vgId);
   if (pVgObj == NULL) {
-    ASSERT(0);
     taosMemoryFree(buf);
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
   }
 
@@ -206,9 +203,9 @@ static SMqRebInfo *mndGetOrCreateRebSub(SHashObj *pHash, const char *key) {
 }
 
 static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqRebOutputObj *pOutput) {
-  int32_t totalVgNum = pOutput->pSub->vgNum;
-
-  mInfo("mq rebalance: subscription: %s, vgNum: %d", pOutput->pSub->key, pOutput->pSub->vgNum);
+  int32_t     totalVgNum = pOutput->pSub->vgNum;
+  const char *sub = pOutput->pSub->key;
+  mInfo("sub:%s, mq rebalance vgNum:%d", sub, pOutput->pSub->vgNum);
 
   // 1. build temporary hash(vgId -> SMqRebOutputVg) to store modified vg
   SHashObj *pHash = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
@@ -218,11 +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);
-    ASSERT(consumerId > 0);
+
     SMqConsumerEp *pConsumerEp = taosHashGet(pOutput->pSub->consumerHash, &consumerId, sizeof(int64_t));
-    ASSERT(pConsumerEp);
+
     if (pConsumerEp) {
-      ASSERT(consumerId == pConsumerEp->consumerId);
       actualRemoved++;
       int32_t consumerVgNum = taosArrayGetSize(pConsumerEp->vgs);
       for (int32_t j = 0; j < consumerVgNum; j++) {
@@ -233,7 +229,7 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
             .pVgEp = pVgEp,
         };
         taosHashPut(pHash, &pVgEp->vgId, sizeof(int32_t), &outputVg, sizeof(SMqRebOutputVg));
-        mInfo("mq rebalance: remove vgId:%d from consumer:%" PRId64, pVgEp->vgId, consumerId);
+        mInfo("sub:%s, mq rebalance remove vgId:%d from consumer:%" PRId64, sub, pVgEp->vgId, consumerId);
       }
       taosArrayDestroy(pConsumerEp->vgs);
       taosHashRemove(pOutput->pSub->consumerHash, &consumerId, sizeof(int64_t));
@@ -241,7 +237,10 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
       taosArrayPush(pOutput->removedConsumers, &consumerId);
     }
   }
-  ASSERT(removedNum == actualRemoved);
+
+  if (removedNum != actualRemoved) {
+    mError("sub:%s, mq rebalance removedNum:%d not matched with actual:%d", sub, removedNum, actualRemoved);
+  }
 
   // if previously no consumer, there are vgs not assigned
   {
@@ -254,7 +253,7 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
           .pVgEp = pVgEp,
       };
       taosHashPut(pHash, &pVgEp->vgId, sizeof(int32_t), &rebOutput, sizeof(SMqRebOutputVg));
-      mInfo("mq rebalance: remove vgId:%d from unassigned", pVgEp->vgId);
+      mInfo("sub:%s, mq rebalance remove vgId:%d from unassigned", sub, pVgEp->vgId);
     }
   }
 
@@ -268,8 +267,8 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
     minVgCnt = totalVgNum / afterRebConsumerNum;
     imbConsumerNum = totalVgNum % afterRebConsumerNum;
   }
-  mInfo("mq rebalance: %d consumer after rebalance, at least %d vg each, %d consumer has more vg", afterRebConsumerNum,
-        minVgCnt, imbConsumerNum);
+  mInfo("sub:%s, mq rebalance %d consumer after rebalance, at least %d vg each, %d consumer has more vg", sub,
+        afterRebConsumerNum, minVgCnt, imbConsumerNum);
 
   // 4. first scan: remove consumer more than wanted, put to remove hash
   int32_t imbCnt = 0;
@@ -278,7 +277,7 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
     pIter = taosHashIterate(pOutput->pSub->consumerHash, pIter);
     if (pIter == NULL) break;
     SMqConsumerEp *pConsumerEp = (SMqConsumerEp *)pIter;
-    ASSERT(pConsumerEp->consumerId > 0);
+
     int32_t consumerVgNum = taosArrayGetSize(pConsumerEp->vgs);
     // all old consumers still existing are touched
     // TODO optimize: touch only consumer whose vgs changed
@@ -298,7 +297,7 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
                 .pVgEp = pVgEp,
             };
             taosHashPut(pHash, &pVgEp->vgId, sizeof(int32_t), &outputVg, sizeof(SMqRebOutputVg));
-            mInfo("mq rebalance: remove vgId:%d from consumer:%" PRId64 ",(first scan)", pVgEp->vgId,
+            mInfo("sub:%s, mq rebalance remove vgId:%d from consumer:%" PRId64 ",(first scan)", sub, pVgEp->vgId,
                   pConsumerEp->consumerId);
           }
           imbCnt++;
@@ -313,7 +312,7 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
               .pVgEp = pVgEp,
           };
           taosHashPut(pHash, &pVgEp->vgId, sizeof(int32_t), &outputVg, sizeof(SMqRebOutputVg));
-          mInfo("mq rebalance: remove vgId:%d from consumer:%" PRId64 ",(first scan)", pVgEp->vgId,
+          mInfo("sub:%s, mq rebalance remove vgId:%d from consumer:%" PRId64 ",(first scan)", sub, pVgEp->vgId,
                 pConsumerEp->consumerId);
         }
       }
@@ -325,13 +324,13 @@ 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);
-      ASSERT(consumerId > 0);
+
       SMqConsumerEp newConsumerEp;
       newConsumerEp.consumerId = consumerId;
       newConsumerEp.vgs = taosArrayInit(0, sizeof(void *));
       taosHashPut(pOutput->pSub->consumerHash, &consumerId, sizeof(int64_t), &newConsumerEp, sizeof(SMqConsumerEp));
       taosArrayPush(pOutput->newConsumers, &consumerId);
-      mInfo("mq rebalance: add new consumer:%" PRId64, consumerId);
+      mInfo("sub:%s, mq rebalance add new consumer:%" PRId64, sub, consumerId);
     }
   }
 
@@ -344,13 +343,16 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
     pIter = taosHashIterate(pOutput->pSub->consumerHash, pIter);
     if (pIter == NULL) break;
     SMqConsumerEp *pConsumerEp = (SMqConsumerEp *)pIter;
-    ASSERT(pConsumerEp->consumerId > 0);
 
     // push until equal minVg
     while (taosArrayGetSize(pConsumerEp->vgs) < minVgCnt) {
       // iter hash and find one vg
       pRemovedIter = taosHashIterate(pHash, pRemovedIter);
-      ASSERT(pRemovedIter);
+      if (pRemovedIter == NULL) {
+        mError("sub:%s, removed iter is null", sub);
+        continue;
+      }
+
       pRebVg = (SMqRebOutputVg *)pRemovedIter;
       // push
       taosArrayPush(pConsumerEp->vgs, &pRebVg->pVgEp);
@@ -361,7 +363,6 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
     }
   }
 
-  ASSERT(pIter == NULL);
   // 7. handle unassigned vg
   if (taosHashGetSize(pOutput->pSub->consumerHash) != 0) {
     // if has consumer, assign all left vg
@@ -377,9 +378,8 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
       }
       while (1) {
         pIter = taosHashIterate(pOutput->pSub->consumerHash, pIter);
-        ASSERT(pIter);
         pConsumerEp = (SMqConsumerEp *)pIter;
-        ASSERT(pConsumerEp->consumerId > 0);
+
         if (taosArrayGetSize(pConsumerEp->vgs) == minVgCnt) {
           break;
         }
@@ -404,19 +404,19 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
       pIter = taosHashIterate(pHash, pIter);
       if (pIter == NULL) break;
       pRebOutput = (SMqRebOutputVg *)pIter;
-      ASSERT(pRebOutput->newConsumerId == -1);
+
       taosArrayPush(pOutput->pSub->unassignedVgs, &pRebOutput->pVgEp);
       taosArrayPush(pOutput->rebVgs, pRebOutput);
-      mInfo("mq rebalance: unassign vgId:%d (second scan)", pRebOutput->pVgEp->vgId);
+      mInfo("sub:%s, mq rebalance unassign vgId:%d (second scan)", sub, pRebOutput->pVgEp->vgId);
     }
   }
 
   // 8. generate logs
-  mInfo("mq rebalance: calculation completed, rebalanced vg:");
+  mInfo("sub:%s, mq rebalance calculation completed, rebalanced vg", sub);
   for (int32_t i = 0; i < taosArrayGetSize(pOutput->rebVgs); i++) {
     SMqRebOutputVg *pOutputRebVg = taosArrayGet(pOutput->rebVgs, i);
-    mInfo("mq rebalance: vgId:%d, moved from consumer:%" PRId64 ", to consumer:%" PRId64, pOutputRebVg->pVgEp->vgId,
-          pOutputRebVg->oldConsumerId, pOutputRebVg->newConsumerId);
+    mInfo("sub:%s, mq rebalance vgId:%d, moved from consumer:%" PRId64 ", to consumer:%" PRId64, sub,
+          pOutputRebVg->pVgEp->vgId, pOutputRebVg->oldConsumerId, pOutputRebVg->newConsumerId);
   }
   {
     void *pIter = NULL;
@@ -425,10 +425,11 @@ static int32_t mndDoRebalance(SMnode *pMnode, const SMqRebInputObj *pInput, SMqR
       if (pIter == NULL) break;
       SMqConsumerEp *pConsumerEp = (SMqConsumerEp *)pIter;
       int32_t        sz = taosArrayGetSize(pConsumerEp->vgs);
-      mInfo("mq rebalance: final cfg: consumer %" PRId64 " has %d vg", pConsumerEp->consumerId, sz);
+      mInfo("sub:%s, mq rebalance final cfg: consumer %" PRId64 " has %d vg", sub, pConsumerEp->consumerId, sz);
       for (int32_t i = 0; i < sz; i++) {
         SMqVgEp *pVgEp = taosArrayGetP(pConsumerEp->vgs, i);
-        mInfo("mq rebalance: final cfg: vg %d to consumer %" PRId64 "", pVgEp->vgId, pConsumerEp->consumerId);
+        mInfo("sub:%s, mq rebalance final cfg: vg %d to consumer %" PRId64 "", sub, pVgEp->vgId,
+              pConsumerEp->consumerId);
       }
     }
   }
@@ -487,7 +488,7 @@ 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);
-    ASSERT(consumerId > 0);
+
     SMqConsumerObj *pConsumerOld = mndAcquireConsumer(pMnode, consumerId);
     SMqConsumerObj *pConsumerNew = tNewSMqConsumerObj(pConsumerOld->consumerId, pConsumerOld->cgroup);
     pConsumerNew->updateType = CONSUMER_UPDATE__ADD;
@@ -497,7 +498,6 @@ static int32_t mndPersistRebResult(SMnode *pMnode, SRpcMsg *pMsg, const SMqRebOu
     taosArrayPush(pConsumerNew->rebNewTopics, &topic);
     mndReleaseConsumer(pMnode, pConsumerOld);
     if (mndSetConsumerCommitLogs(pMnode, pTrans, pConsumerNew) != 0) {
-      ASSERT(0);
       tDeleteSMqConsumerObj(pConsumerNew);
       taosMemoryFree(pConsumerNew);
       goto REB_FAIL;
@@ -510,7 +510,7 @@ 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);
-    ASSERT(consumerId > 0);
+
     SMqConsumerObj *pConsumerOld = mndAcquireConsumer(pMnode, consumerId);
     SMqConsumerObj *pConsumerNew = tNewSMqConsumerObj(pConsumerOld->consumerId, pConsumerOld->cgroup);
     pConsumerNew->updateType = CONSUMER_UPDATE__REMOVE;
@@ -520,7 +520,6 @@ static int32_t mndPersistRebResult(SMnode *pMnode, SRpcMsg *pMsg, const SMqRebOu
     taosArrayPush(pConsumerNew->rebRemovedTopics, &topic);
     mndReleaseConsumer(pMnode, pConsumerOld);
     if (mndSetConsumerCommitLogs(pMnode, pTrans, pConsumerNew) != 0) {
-      ASSERT(0);
       tDeleteSMqConsumerObj(pConsumerNew);
       taosMemoryFree(pConsumerNew);
       goto REB_FAIL;
@@ -577,7 +576,6 @@ static int32_t mndProcessRebalanceReq(SRpcMsg *pMsg) {
       char cgroup[TSDB_CGROUP_LEN];
       mndSplitSubscribeKey(pRebInfo->key, topic, cgroup, true);
       SMqTopicObj *pTopic = mndAcquireTopic(pMnode, topic);
-      /*ASSERT(pTopic);*/
       if (pTopic == NULL) {
         mError("mq rebalance %s failed since topic %s not exist, abort", pRebInfo->key, topic);
         continue;
@@ -585,8 +583,14 @@ 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);
-      ASSERT(taosHashGetSize(rebOutput.pSub->consumerHash) == 0);
 
       taosRUnLockLatch(&pTopic->lock);
       mndReleaseTopic(pMnode, pTopic);
@@ -606,7 +610,6 @@ static int32_t mndProcessRebalanceReq(SRpcMsg *pMsg) {
 
     // if add more consumer to balanced subscribe,
     // possibly no vg is changed
-    /*ASSERT(taosArrayGetSize(rebOutput.rebVgs) != 0);*/
 
     if (mndPersistRebResult(pMnode, pMsg, &rebOutput) < 0) {
       mError("mq rebalance persist rebalance output error, possibly vnode splitted or dropped");
@@ -693,6 +696,7 @@ static SSdbRaw *mndSubActionEncode(SMqSubscribeObj *pSub) {
   terrno = TSDB_CODE_OUT_OF_MEMORY;
   void   *buf = NULL;
   int32_t tlen = tEncodeSubscribeObj(NULL, pSub);
+  if (tlen <= 0) goto SUB_ENCODE_OVER;
   int32_t size = sizeof(int32_t) + tlen + MND_SUBSCRIBE_RESERVE_SIZE;
 
   SSdbRaw *pRaw = sdbAllocRaw(SDB_SUBSCRIBE, MND_SUBSCRIBE_VER_NUMBER, size);
diff --git a/source/dnode/mnode/impl/src/mndTopic.c b/source/dnode/mnode/impl/src/mndTopic.c
index 071edf992f..bf3827c090 100644
--- a/source/dnode/mnode/impl/src/mndTopic.c
+++ b/source/dnode/mnode/impl/src/mndTopic.c
@@ -384,7 +384,11 @@ static int32_t mndCreateTopic(SMnode *pMnode, SRpcMsg *pReq, SCMCreateTopicReq *
   topicObj.subType = pCreate->subType;
   topicObj.withMeta = pCreate->withMeta;
   if (topicObj.withMeta) {
-    ASSERT(topicObj.subType != TOPIC_SUB_TYPE__COLUMN);
+    if (topicObj.subType == TOPIC_SUB_TYPE__COLUMN) {
+      terrno = TSDB_CODE_MND_INVALID_TOPIC_OPTION;
+      mError("topic:%s, failed to create since %s", pCreate->name, terrstr());
+      return -1;
+    }
   }
 
   if (pCreate->subType == TOPIC_SUB_TYPE__COLUMN) {
@@ -499,7 +503,6 @@ static int32_t mndCreateTopic(SMnode *pMnode, SRpcMsg *pReq, SCMCreateTopicReq *
       if (code < 0) {
         sdbRelease(pSdb, pVgroup);
         mndTransDrop(pTrans);
-        ASSERT(0);
         return -1;
       }
       void    *buf = taosMemoryCalloc(1, sizeof(SMsgHead) + len);
@@ -723,7 +726,6 @@ static int32_t mndProcessDropTopicReq(SRpcMsg *pReq) {
 
   // TODO check if rebalancing
   if (mndDropSubByTopic(pMnode, pTrans, dropReq.name) < 0) {
-    /*ASSERT(0);*/
     mError("topic:%s, failed to drop since %s", pTopic->name, terrstr());
     mndTransDrop(pTrans);
     mndReleaseTopic(pMnode, pTopic);
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 6f8b0d8e04..14c3df38a7 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -276,8 +276,9 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_SUBSCRIBE_NOT_EXIST,      "Subcribe not exist")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_OFFSET_NOT_EXIST,         "Offset not exist")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_CONSUMER_NOT_READY,       "Consumer not ready")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOPIC_SUBSCRIBED,         "Topic subscribed cannot be dropped")
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOPIC_MUST_BE_DELETED,    "Topic must be dropped first")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_CGROUP_USED,              "Consumer group being used by some consumer")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOPIC_MUST_BE_DELETED,    "Topic must be dropped first")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_SUB_OPTION,       "Invalid subscribe option")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_IN_REBALANCE,             "Topic being rebalanced")
 
 // mnode-stream