diff --git a/source/dnode/mgmt/mgmt_snode/src/smWorker.c b/source/dnode/mgmt/mgmt_snode/src/smWorker.c
index 2ed960546ad5d7dacc9f83c0f623525d0e83ae9d..e8402eb7c02ff8be9cd5d83b838aa46f6f4f4779 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 8a4f6c2195ba88b1adea293690b1ba209c6c91a8..87b5a5c42d1ad5f37429f2d5bb5f9d15ecfef6c1 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 b5c2fb05b3adb3f3e7d0c3ce19f3da055fabdb3c..a5f77513de9f6de359acf129612136af1762fa68 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 37fc9f79e1307f83ae9f47c0a40a3e7499003bf2..c8c8e06c5ed5a3b041161cf7b3d573053f1a93ec 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 6a7e2aaa51b2f7603c186ac75529e231561f442a..7a8de4099f0a11f313552a6f2629c797fda06f39 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 2d1f6eb5054c978195a2cb40341bef268e3f0fd1..141bb1df601fe7d1e3c27090170e37d6769d879f 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 54b3202d246adde7d2bd053d8969554fcb7d0bce..d504a94700096162d636390ee6eb5e2d2f77f139 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 418474baa6c9759a2c4fb604e07e99af272539ae..854be1c52dfd47174921fb3d5790be47ef1b800b 100644
--- a/source/dnode/mnode/impl/src/mndSubscribe.c
+++ b/source/dnode/mnode/impl/src/mndSubscribe.c
@@ -693,6 +693,7 @@ 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 071edf992fe2ca38c6c74a698d91d9e88bfbf918..bf3827c09028b4e763624c9b1f12afe52b4a8b25 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);