diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 3823252de6..b315432be1 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -520,6 +520,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_SYN_BATCH_ERROR               TAOS_DEF_ERROR_CODE(0, 0x0913)
 #define TSDB_CODE_SYN_RESTORING                 TAOS_DEF_ERROR_CODE(0, 0x0914)
 #define TSDB_CODE_SYN_INVALID_SNAPSHOT_MSG      TAOS_DEF_ERROR_CODE(0, 0x0915)  // internal
+#define TSDB_CODE_SYN_BUFFER_FULL               TAOS_DEF_ERROR_CODE(0, 0x0916)  //
 #define TSDB_CODE_SYN_INTERNAL_ERROR            TAOS_DEF_ERROR_CODE(0, 0x09FF)
 
 // tq
diff --git a/source/dnode/vnode/src/vnd/vnodeSync.c b/source/dnode/vnode/src/vnd/vnodeSync.c
index 0437703c92..5697487743 100644
--- a/source/dnode/vnode/src/vnd/vnodeSync.c
+++ b/source/dnode/vnode/src/vnd/vnodeSync.c
@@ -391,9 +391,9 @@ static int32_t vnodeSyncApplyMsg(const SSyncFSM *pFsm, SRpcMsg *pMsg, const SFsm
 
   const STraceId *trace = &pMsg->info.traceId;
   vGTrace("vgId:%d, commit-cb is excuted, fsm:%p, index:%" PRId64 ", term:%" PRIu64 ", msg-index:%" PRId64
-          ", weak:%d, code:%d, state:%d %s, type:%s",
+          ", weak:%d, code:%d, state:%d %s, type:%s code:0x%x",
           pVnode->config.vgId, pFsm, pMeta->index, pMeta->term, pMsg->info.conn.applyIndex, pMeta->isWeak, pMeta->code,
-          pMeta->state, syncStr(pMeta->state), TMSG_INFO(pMsg->msgType));
+          pMeta->state, syncStr(pMeta->state), TMSG_INFO(pMsg->msgType), pMsg->code);
 
   return tmsgPutToQueue(&pVnode->msgCb, APPLY_QUEUE, pMsg);
 }
diff --git a/source/libs/catalog/src/ctgAsync.c b/source/libs/catalog/src/ctgAsync.c
index acd18fcca5..b8590c9255 100644
--- a/source/libs/catalog/src/ctgAsync.c
+++ b/source/libs/catalog/src/ctgAsync.c
@@ -471,17 +471,20 @@ int32_t ctgHandleForceUpdate(SCatalog* pCtg, int32_t taskNum, SCtgJob* pJob, con
 }
 
 int32_t ctgInitTask(SCtgJob* pJob, CTG_TASK_TYPE type, void* param, int32_t* taskId) {
+  int32_t code = 0;
   int32_t tid = atomic_fetch_add_32(&pJob->taskIdx, 1);
 
   CTG_LOCK(CTG_WRITE, &pJob->taskLock);
-  CTG_ERR_RET((*gCtgAsyncFps[type].initFp)(pJob, tid, param));
-  CTG_UNLOCK(CTG_WRITE, &pJob->taskLock);
+  CTG_ERR_JRET((*gCtgAsyncFps[type].initFp)(pJob, tid, param));
 
   if (taskId) {
     *taskId = tid;
   }
 
-  return TSDB_CODE_SUCCESS;
+_return:
+  CTG_UNLOCK(CTG_WRITE, &pJob->taskLock);
+  
+  return code;
 }
 
 int32_t ctgInitJob(SCatalog* pCtg, SRequestConnInfo* pConn, SCtgJob** job, const SCatalogReq* pReq, catalogCallback fp,
diff --git a/source/libs/catalog/src/ctgCache.c b/source/libs/catalog/src/ctgCache.c
index fe83854a91..c266cc1df9 100644
--- a/source/libs/catalog/src/ctgCache.c
+++ b/source/libs/catalog/src/ctgCache.c
@@ -2500,6 +2500,7 @@ int32_t ctgGetTbMetasFromCache(SCatalog *pCtg, SRequestConnInfo *pConn, SCtgTbMe
 
     CTG_LOCK(CTG_READ, &pCache->metaLock);
     if (NULL == pCache->pMeta) {
+      CTG_UNLOCK(CTG_READ, &pCache->metaLock);
       ctgDebug("tb %s meta not in cache, dbFName:%s", pName->tname, dbFName);
       ctgAddFetch(&ctx->pFetchs, dbIdx, i, fetchIdx, baseResIdx + i, flag);
       taosArraySetSize(ctx->pResList, taosArrayGetSize(ctx->pResList) + 1);
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 8107cea4a0..e5dcc43797 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -907,7 +907,7 @@ static void removeDeleteResults(SHashObj* pUpdatedMap, SArray* pDelWins) {
 }
 
 bool isOverdue(TSKEY ekey, STimeWindowAggSupp* pTwSup) {
-  ASSERT(pTwSup->maxTs == INT64_MIN || pTwSup->maxTs > 0);
+  ASSERTS(pTwSup->maxTs == INT64_MIN || pTwSup->maxTs > 0, "maxts should greater than 0");
   return pTwSup->maxTs != INT64_MIN && ekey < pTwSup->maxTs - pTwSup->waterMark;
 }
 
@@ -1396,7 +1396,6 @@ static int32_t getAllIntervalWindow(SSHashObj* pHashMap, SHashObj* resWins) {
   while ((pIte = tSimpleHashIterate(pHashMap, pIte, &iter)) != NULL) {
     void*    key = tSimpleHashGetKey(pIte, &keyLen);
     uint64_t groupId = *(uint64_t*)key;
-    ASSERT(keyLen == GET_RES_WINDOW_KEY_LEN(sizeof(TSKEY)));
     TSKEY               ts = *(int64_t*)((char*)key + sizeof(uint64_t));
     SResultRowPosition* pPos = (SResultRowPosition*)pIte;
     int32_t             code = saveWinResult(ts, pPos->pageId, pPos->offset, groupId, resWins);
@@ -1547,7 +1546,7 @@ static void closeChildIntervalWindow(SOperatorInfo* pOperator, SArray* pChildren
   for (int32_t i = 0; i < size; i++) {
     SOperatorInfo*               pChildOp = taosArrayGetP(pChildren, i);
     SStreamIntervalOperatorInfo* pChInfo = pChildOp->info;
-    ASSERT(pChInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE);
+    ASSERTS(pChInfo->twAggSup.calTrigger == STREAM_TRIGGER_AT_ONCE, "children trigger type should be at once");
     pChInfo->twAggSup.maxTs = TMAX(pChInfo->twAggSup.maxTs, maxTs);
     closeStreamIntervalWindow(pChInfo->aggSup.pResultRowHashTable, &pChInfo->twAggSup, &pChInfo->interval, NULL, NULL,
                               NULL, pOperator);
@@ -1767,8 +1766,6 @@ SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SIntervalPh
       .maxTs = INT64_MIN,
   };
 
-  ASSERT(as.calTrigger != STREAM_TRIGGER_MAX_DELAY);
-
   pInfo->win = pTaskInfo->window;
   pInfo->inputOrder = (pPhyNode->window.inputTsOrder == ORDER_ASC) ? TSDB_ORDER_ASC : TSDB_ORDER_DESC;
   pInfo->resultTsOrder = (pPhyNode->window.outputTsOrder == ORDER_ASC) ? TSDB_ORDER_ASC : TSDB_ORDER_DESC;
@@ -2252,7 +2249,6 @@ static void doBuildPullDataBlock(SArray* array, int32_t* pIndex, SSDataBlock* pB
     return;
   }
   blockDataEnsureCapacity(pBlock, size - (*pIndex));
-  ASSERT(3 <= taosArrayGetSize(pBlock->pDataBlock));
   SColumnInfoData* pStartTs = (SColumnInfoData*)taosArrayGet(pBlock->pDataBlock, START_TS_COLUMN_INDEX);
   SColumnInfoData* pEndTs = (SColumnInfoData*)taosArrayGet(pBlock->pDataBlock, END_TS_COLUMN_INDEX);
   SColumnInfoData* pGroupId = (SColumnInfoData*)taosArrayGet(pBlock->pDataBlock, GROUPID_COLUMN_INDEX);
@@ -2359,7 +2355,6 @@ static void doStreamIntervalAggImpl(SOperatorInfo* pOperatorInfo, SSDataBlock* p
   SResultRow*     pResult = NULL;
   int32_t         forwardRows = 0;
 
-  ASSERT(pSDataBlock->pDataBlock != NULL);
   SColumnInfoData* pColDataInfo = taosArrayGet(pSDataBlock->pDataBlock, pInfo->primaryTsIndex);
   tsCols = (int64_t*)pColDataInfo->pData;
 
@@ -2482,7 +2477,6 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
     doBuildPullDataBlock(pInfo->pPullWins, &pInfo->pullIndex, pInfo->pPullDataRes);
     if (pInfo->pPullDataRes->info.rows != 0) {
       // process the rest of the data
-      ASSERT(IS_FINAL_OP(pInfo));
       printDataBlock(pInfo->pPullDataRes, IS_FINAL_OP(pInfo) ? "interval final" : "interval semi");
       return pInfo->pPullDataRes;
     }
@@ -2543,7 +2537,6 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
     pInfo->numOfDatapack++;
     printDataBlock(pBlock, IS_FINAL_OP(pInfo) ? "interval final recv" : "interval semi recv");
 
-    ASSERT(pBlock->info.type != STREAM_INVERT);
     if (pBlock->info.type == STREAM_NORMAL || pBlock->info.type == STREAM_PULL_DATA) {
       pInfo->binfo.pRes->info.type = pBlock->info.type;
     } else if (pBlock->info.type == STREAM_DELETE_DATA || pBlock->info.type == STREAM_DELETE_RESULT ||
@@ -2633,7 +2626,6 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
   doBuildPullDataBlock(pInfo->pPullWins, &pInfo->pullIndex, pInfo->pPullDataRes);
   if (pInfo->pPullDataRes->info.rows != 0) {
     // process the rest of the data
-    ASSERT(IS_FINAL_OP(pInfo));
     printDataBlock(pInfo->pPullDataRes, IS_FINAL_OP(pInfo) ? "interval final" : "interval semi");
     return pInfo->pPullDataRes;
   }
@@ -2688,7 +2680,7 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
       .deleteMarkSaved = 0,
       .calTriggerSaved = 0,
   };
-  ASSERT(pInfo->twAggSup.calTrigger != STREAM_TRIGGER_MAX_DELAY);
+  ASSERTS(pInfo->twAggSup.calTrigger != STREAM_TRIGGER_MAX_DELAY, "trigger type should not be max delay");
   pInfo->primaryTsIndex = ((SColumnNode*)pIntervalPhyNode->window.pTspk)->slotId;
   size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
   initResultSizeInfo(&pOperator->resultInfo, 4096);
@@ -2713,7 +2705,6 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
 
   initStreamFunciton(pOperator->exprSupp.pCtx, pOperator->exprSupp.numOfExprs);
 
-  ASSERT(numOfCols > 0);
   initExecTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &pTaskInfo->window);
 
   pInfo->pState = taosMemoryCalloc(1, sizeof(SStreamState));
@@ -2724,6 +2715,9 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
   pInfo->pChildren = NULL;
   if (numOfChild > 0) {
     pInfo->pChildren = taosArrayInit(numOfChild, sizeof(void*));
+    if (!pInfo->pChildren) {
+      goto _error;
+    }
     for (int32_t i = 0; i < numOfChild; i++) {
       SOperatorInfo* pChildOp = createStreamFinalIntervalOperatorInfo(NULL, pPhyNode, pTaskInfo, 0);
       if (pChildOp) {
@@ -2746,7 +2740,6 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
     // semi interval operator does not catch result
     pInfo->isFinal = false;
     pOperator->name = "StreamSemiIntervalOperator";
-    ASSERT(pInfo->aggSup.currentPageId == -1);
   }
 
   if (!IS_FINAL_OP(pInfo) || numOfChild == 0) {
@@ -3162,15 +3155,6 @@ static void doStreamSessionAggImpl(SOperatorInfo* pOperator, SSDataBlock* pSData
   }
 }
 
-void deleteWindow(SArray* pWinInfos, int32_t index, FDelete fp) {
-  ASSERT(index >= 0 && index < taosArrayGetSize(pWinInfos));
-  if (fp) {
-    void* ptr = taosArrayGet(pWinInfos, index);
-    fp(ptr);
-  }
-  taosArrayRemove(pWinInfos, index);
-}
-
 static void doDeleteTimeWindows(SStreamAggSupporter* pAggSup, SSDataBlock* pBlock, SArray* result) {
   SColumnInfoData* pStartTsCol = taosArrayGet(pBlock->pDataBlock, START_TS_COLUMN_INDEX);
   TSKEY*           startDatas = (TSKEY*)pStartTsCol->pData;
@@ -3218,7 +3202,6 @@ static int32_t copyUpdateResult(SSHashObj* pStUpdated, SArray* pUpdated) {
   int32_t iter = 0;
   while ((pIte = tSimpleHashIterate(pStUpdated, pIte, &iter)) != NULL) {
     void* key = tSimpleHashGetKey(pIte, &keyLen);
-    ASSERT(keyLen == sizeof(SSessionKey));
     taosArrayPush(pUpdated, key);
   }
   taosArraySort(pUpdated, sessionKeyCompareAsc);
@@ -3279,7 +3262,6 @@ static void rebuildSessionWindow(SOperatorInfo* pOperator, SArray* pWinArray, SS
   SStreamAggSupporter*           pAggSup = &pInfo->streamAggSup;
   int32_t                        numOfOutput = pSup->numOfExprs;
   int32_t                        numOfChildren = taosArrayGetSize(pInfo->pChildren);
-  ASSERT(pInfo->pChildren);
 
   for (int32_t i = 0; i < size; i++) {
     SSessionKey*      pWinKey = taosArrayGet(pWinArray, i);
@@ -3380,7 +3362,6 @@ static void copyDeleteWindowInfo(SArray* pResWins, SSHashObj* pStDeleted) {
 void initGroupResInfoFromArrayList(SGroupResInfo* pGroupResInfo, SArray* pArrayList) {
   pGroupResInfo->pRows = pArrayList;
   pGroupResInfo->index = 0;
-  ASSERT(pGroupResInfo->index <= getNumOfTotalRes(pGroupResInfo));
 }
 
 void doBuildSessionResult(SOperatorInfo* pOperator, SStreamState* pState, SGroupResInfo* pGroupResInfo,
@@ -4811,7 +4792,6 @@ SOperatorInfo* createStreamIntervalOperatorInfo(SOperatorInfo* downstream, SPhys
   int32_t    code = TSDB_CODE_SUCCESS;
   int32_t    numOfCols = 0;
   SExprInfo* pExprInfo = createExprInfo(pIntervalPhyNode->window.pFuncs, NULL, &numOfCols);
-  ASSERT(numOfCols > 0);
 
   SSDataBlock* pResBlock = createDataBlockFromDescNode(pPhyNode->pOutputDataBlockDesc);
   SInterval    interval = {
@@ -4831,7 +4811,7 @@ SOperatorInfo* createStreamIntervalOperatorInfo(SOperatorInfo* downstream, SPhys
       .deleteMark = getDeleteMark(pIntervalPhyNode),
   };
 
-  ASSERT(twAggSupp.calTrigger != STREAM_TRIGGER_MAX_DELAY);
+  ASSERTS(twAggSupp.calTrigger != STREAM_TRIGGER_MAX_DELAY, "trigger type should not be max delay");
 
   pOperator->pTaskInfo = pTaskInfo;
   pInfo->interval = interval;
diff --git a/source/libs/sync/inc/syncPipeline.h b/source/libs/sync/inc/syncPipeline.h
index 9188be2b42..a0a0691694 100644
--- a/source/libs/sync/inc/syncPipeline.h
+++ b/source/libs/sync/inc/syncPipeline.h
@@ -109,6 +109,8 @@ SSyncRaftEntry* syncLogBufferGetOneEntry(SSyncLogBuffer* pBuf, SSyncNode* pNode,
 int32_t         syncLogBufferValidate(SSyncLogBuffer* pBuf);
 int32_t         syncLogBufferRollback(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncIndex toIndex);
 
+int32_t syncLogFsmExecute(SSyncNode* pNode, SSyncFSM* pFsm, ESyncState role, SyncTerm term, SSyncRaftEntry* pEntry,
+                          int32_t applyCode);
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index b071aec2f4..1a481a7e14 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -2393,7 +2393,11 @@ int32_t syncNodeAppend(SSyncNode* ths, SSyncRaftEntry* pEntry) {
 
   // append to log buffer
   if (syncLogBufferAppend(ths->pLogBuf, ths, pEntry) < 0) {
-    sError("vgId:%d, failed to enqueue sync log buffer. index:%" PRId64 "", ths->vgId, pEntry->index);
+    sError("vgId:%d, failed to enqueue sync log buffer, index:%" PRId64, ths->vgId, pEntry->index);
+    terrno = TSDB_CODE_SYN_BUFFER_FULL;
+    (void)syncLogFsmExecute(ths, ths->pFsm, ths->state, ths->pRaftStore->currentTerm, pEntry,
+                            TSDB_CODE_SYN_BUFFER_FULL);
+    syncEntryDestroy(pEntry);
     return -1;
   }
 
@@ -2697,6 +2701,9 @@ int32_t syncNodeOnClientRequest(SSyncNode* ths, SRpcMsg* pMsg, SyncIndex* pRetIn
     }
 
     int32_t code = syncNodeAppend(ths, pEntry);
+    if (code < 0) {
+      sNError(ths, "failed to append blocking msg");
+    }
     return code;
   } else {
     syncEntryDestroy(pEntry);
diff --git a/source/libs/sync/src/syncPipeline.c b/source/libs/sync/src/syncPipeline.c
index f2c86cef19..ef37600e98 100644
--- a/source/libs/sync/src/syncPipeline.c
+++ b/source/libs/sync/src/syncPipeline.c
@@ -26,6 +26,11 @@
 #include "syncSnapshot.h"
 #include "syncUtil.h"
 
+static bool syncIsMsgBlock(tmsg_t type) {
+  return (type == TDMT_VND_CREATE_TABLE) || (type == TDMT_VND_ALTER_TABLE) || (type == TDMT_VND_DROP_TABLE) ||
+         (type == TDMT_VND_UPDATE_TAG_VAL) || (type == TDMT_VND_ALTER_CONFIRM);
+}
+
 int64_t syncLogBufferGetEndIndex(SSyncLogBuffer* pBuf) {
   taosThreadMutexLock(&pBuf->mutex);
   int64_t index = pBuf->endIndex;
@@ -441,26 +446,25 @@ _out:
   return matchIndex;
 }
 
-int32_t syncLogFsmExecute(SSyncNode* pNode, SSyncFSM* pFsm, ESyncState role, SyncTerm term, SSyncRaftEntry* pEntry) {
-  ASSERTS(pFsm->FpCommitCb != NULL, "No commit cb registered for the FSM");
-
+int32_t syncLogFsmExecute(SSyncNode* pNode, SSyncFSM* pFsm, ESyncState role, SyncTerm term, SSyncRaftEntry* pEntry,
+                          int32_t applyCode) {
   if ((pNode->replicaNum == 1) && pNode->restoreFinish && pNode->vgId != 1) {
     return 0;
   }
 
-  if (pNode->vgId != 1 && vnodeIsMsgBlock(pEntry->originalRpcType)) {
-    sTrace("vgId:%d, blocking msg ready to execute. index:%" PRId64 ", term: %" PRId64 ", type: %s", pNode->vgId,
-           pEntry->index, pEntry->term, TMSG_INFO(pEntry->originalRpcType));
+  if (pNode->vgId != 1 && syncIsMsgBlock(pEntry->originalRpcType)) {
+    sTrace("vgId:%d, blocking msg ready to execute, index:%" PRId64 ", term:%" PRId64 ", type:%s code:0x%x",
+           pNode->vgId, pEntry->index, pEntry->term, TMSG_INFO(pEntry->originalRpcType), applyCode);
   }
 
-  SRpcMsg rpcMsg = {0};
+  SRpcMsg rpcMsg = {.code = applyCode};
   syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
   SFsmCbMeta cbMeta = {0};
   cbMeta.index = pEntry->index;
   cbMeta.lastConfigIndex = syncNodeGetSnapshotConfigIndex(pNode, pEntry->index);
   cbMeta.isWeak = pEntry->isWeak;
-  cbMeta.code = 0;
+  cbMeta.code = applyCode;
   cbMeta.state = role;
   cbMeta.seqNum = pEntry->seqNum;
   cbMeta.term = pEntry->term;
@@ -469,7 +473,6 @@ int32_t syncLogFsmExecute(SSyncNode* pNode, SSyncFSM* pFsm, ESyncState role, Syn
 
   (void)syncRespMgrGetAndDel(pNode->pSyncRespMgr, cbMeta.seqNum, &rpcMsg.info);
   int32_t code = pFsm->FpCommitCb(pFsm, &rpcMsg, &cbMeta);
-  ASSERT(rpcMsg.pCont == NULL);
   return code;
 }
 
@@ -520,7 +523,7 @@ int32_t syncLogBufferCommit(SSyncLogBuffer* pBuf, SSyncNode* pNode, int64_t comm
             pEntry->term, TMSG_INFO(pEntry->originalRpcType));
     }
 
-    if (syncLogFsmExecute(pNode, pFsm, role, term, pEntry) != 0) {
+    if (syncLogFsmExecute(pNode, pFsm, role, term, pEntry, 0) != 0) {
       sError("vgId:%d, failed to execute sync log entry. index:%" PRId64 ", term:%" PRId64
              ", role: %d, current term: %" PRId64,
              vgId, pEntry->index, pEntry->term, role, term);
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 2d7121e2ae..ff61c7cdc4 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -407,6 +407,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_SYN_STANDBY_NOT_READY,        "Sync not ready for st
 TAOS_DEFINE_ERROR(TSDB_CODE_SYN_BATCH_ERROR,              "Sync batch error")
 TAOS_DEFINE_ERROR(TSDB_CODE_SYN_RESTORING,                "Sync is restoring")
 TAOS_DEFINE_ERROR(TSDB_CODE_SYN_INVALID_SNAPSHOT_MSG,     "Sync invalid snapshot msg")
+TAOS_DEFINE_ERROR(TSDB_CODE_SYN_BUFFER_FULL,              "Sync buffer is full")
 TAOS_DEFINE_ERROR(TSDB_CODE_SYN_INTERNAL_ERROR,           "Sync internal error")
 
 //tq