diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index a76dfa1b51..9a1804ce6a 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -1774,7 +1774,7 @@ static int32_t mndUpdateSuperTableColumnCompress(SMnode *pMnode, const SStbObj *
                                                  int32_t nCols) {
   // if (pColCmpr == NULL || colName == NULL) return -1;
 
-  ASSERT(taosArrayGetSize(pField) == nCols);
+  if (taosArrayGetSize(pField) != nCols) return TSDB_CODE_FAILED;
   TAOS_FIELD *p = taosArrayGet(pField, 0);
 
   int32_t code = 0;
diff --git a/source/libs/sync/src/syncAppendEntriesReply.c b/source/libs/sync/src/syncAppendEntriesReply.c
index 6ea5402c28..005cf4337d 100644
--- a/source/libs/sync/src/syncAppendEntriesReply.c
+++ b/source/libs/sync/src/syncAppendEntriesReply.c
@@ -57,14 +57,12 @@ int32_t syncNodeOnAppendEntriesReply(SSyncNode* ths, const SRpcMsg* pRpcMsg) {
   }
 
   if (ths->state == TAOS_SYNC_STATE_LEADER || ths->state == TAOS_SYNC_STATE_ASSIGNED_LEADER) {
-    if (pMsg->term > raftStoreGetTerm(ths)) {
+    if (pMsg->term != raftStoreGetTerm(ths)) {
       syncLogRecvAppendEntriesReply(ths, pMsg, "error term");
       syncNodeStepDown(ths, pMsg->term);
       return TSDB_CODE_SYN_WRONG_TERM;
     }
 
-    ASSERT(pMsg->term == raftStoreGetTerm(ths));
-
     sTrace("vgId:%d, received append entries reply. srcId:0x%016" PRIx64 ",  term:%" PRId64 ", matchIndex:%" PRId64 "",
            pMsg->vgId, pMsg->srcId.addr, pMsg->term, pMsg->matchIndex);
 
diff --git a/source/libs/sync/src/syncCommit.c b/source/libs/sync/src/syncCommit.c
index 3e2b98c35b..1c129a0ed1 100644
--- a/source/libs/sync/src/syncCommit.c
+++ b/source/libs/sync/src/syncCommit.c
@@ -57,7 +57,10 @@ int32_t syncNodeDynamicQuorum(const SSyncNode* pSyncNode) { return pSyncNode->qu
 bool syncNodeAgreedUpon(SSyncNode* pNode, SyncIndex index) {
   int            count = 0;
   SSyncIndexMgr* pMatches = pNode->pMatchIndex;
-  ASSERT(pNode->replicaNum == pMatches->replicaNum);
+  if (pNode->replicaNum != pMatches->replicaNum) {
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return false;
+  };
 
   for (int i = 0; i < pNode->totalReplicaNum; i++) {
     if(pNode->raftCfg.cfg.nodeInfo[i].nodeRole == TAOS_SYNC_ROLE_VOTER){
diff --git a/source/libs/sync/src/syncElection.c b/source/libs/sync/src/syncElection.c
index 3b595f464d..fc056c9eba 100644
--- a/source/libs/sync/src/syncElection.c
+++ b/source/libs/sync/src/syncElection.c
@@ -119,7 +119,7 @@ int32_t syncNodeElect(SSyncNode* pSyncNode) {
   }
 
   ret = syncNodeRequestVotePeers(pSyncNode);
-  ASSERT(ret == 0);
+  if (ret != 0) return ret;
 
   syncNodeResetElectTimer(pSyncNode);
   return ret;
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index ffd180ee01..2f5a3488a1 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -988,9 +988,18 @@ static int32_t syncHbTimerStop(SSyncNode* pSyncNode, SSyncTimer* pSyncTimer) {
 
 int32_t syncNodeLogStoreRestoreOnNeed(SSyncNode* pNode) {
   int32_t code = 0;
-  ASSERTS(pNode->pLogStore != NULL, "log store not created");
-  ASSERTS(pNode->pFsm != NULL, "pFsm not registered");
-  ASSERTS(pNode->pFsm->FpGetSnapshotInfo != NULL, "FpGetSnapshotInfo not registered");
+  if (pNode->pLogStore == NULL) {
+    sError("vgId:%d, log store not created", pNode->vgId);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pNode->pFsm == NULL) {
+    sError("vgId:%d, pFsm not registered", pNode->vgId);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pNode->pFsm->FpGetSnapshotInfo == NULL) {
+    sError("vgId:%d, FpGetSnapshotInfo not registered", pNode->vgId);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
   SSnapshot snapshot = {0};
   // TODO check return value
   (void)pNode->pFsm->FpGetSnapshotInfo(pNode->pFsm, &snapshot);
@@ -1384,8 +1393,14 @@ void syncNodeMaybeUpdateCommitBySnapshot(SSyncNode* pSyncNode) {
 
 int32_t syncNodeRestore(SSyncNode* pSyncNode) {
   int32_t code = 0;
-  ASSERTS(pSyncNode->pLogStore != NULL, "log store not created");
-  ASSERTS(pSyncNode->pLogBuf != NULL, "ring log buffer not created");
+  if (pSyncNode->pLogStore == NULL) {
+    sError("vgId:%d, log store not created", pSyncNode->vgId);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pSyncNode->pLogBuf == NULL) {
+    sError("vgId:%d, ring log buffer not created", pSyncNode->vgId);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
 
   (void)taosThreadMutexLock(&pSyncNode->pLogBuf->mutex);
   SyncIndex lastVer = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
@@ -1400,7 +1415,7 @@ int32_t syncNodeRestore(SSyncNode* pSyncNode) {
     TAOS_RETURN(code);
   }
 
-  ASSERT(endIndex == lastVer + 1);
+  if (endIndex != lastVer + 1) return TSDB_CODE_SYN_INTERNAL_ERROR;
   pSyncNode->commitIndex = TMAX(pSyncNode->commitIndex, commitIndex);
   sInfo("vgId:%d, restore sync until commitIndex:%" PRId64, pSyncNode->vgId, pSyncNode->commitIndex);
 
@@ -1743,7 +1758,10 @@ inline bool syncNodeInConfig(SSyncNode* pNode, const SSyncCfg* pCfg) {
     }
   }
 
-  ASSERT(b1 == b2);
+  if (b1 != b2) {
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return false;
+  }
   return b1;
 }
 
@@ -2194,7 +2212,7 @@ void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {
   }
 
   SyncIndex lastIndex = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
-  // ASSERT(lastIndex >= 0);
+
   sInfo("vgId:%d, become leader. term:%" PRId64 ", commit index:%" PRId64 ", last index:%" PRId64 "", pSyncNode->vgId,
         raftStoreGetTerm(pSyncNode), pSyncNode->commitIndex, lastIndex);
 }
@@ -2222,7 +2240,7 @@ void syncNodeFollower2Candidate(SSyncNode* pSyncNode) {
 }
 
 int32_t syncNodeAssignedLeader2Leader(SSyncNode* pSyncNode) {
-  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_ASSIGNED_LEADER);
+  if (pSyncNode->state != TAOS_SYNC_STATE_ASSIGNED_LEADER) return TSDB_CODE_SYN_INTERNAL_ERROR;
   syncNodeBecomeLeader(pSyncNode, "assigned leader to leader");
 
   sNTrace(pSyncNode, "assigned leader to leader");
diff --git a/source/libs/sync/src/syncPipeline.c b/source/libs/sync/src/syncPipeline.c
index 782d97f789..22947bdd8e 100644
--- a/source/libs/sync/src/syncPipeline.c
+++ b/source/libs/sync/src/syncPipeline.c
@@ -71,16 +71,32 @@ int32_t syncLogBufferAppend(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEnt
     goto _err;
   }
 
-  ASSERT(index == pBuf->endIndex);
+  if (index != pBuf->endIndex) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _err;
+  };
 
   SSyncRaftEntry* pExist = pBuf->entries[index % pBuf->size].pItem;
-  ASSERT(pExist == NULL);
+  if (pExist != NULL) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _err;
+  }
 
   // initial log buffer with at least one item, e.g. commitIndex
   SSyncRaftEntry* pMatch = pBuf->entries[(index - 1 + pBuf->size) % pBuf->size].pItem;
-  ASSERTS(pMatch != NULL, "no matched log entry");
-  ASSERT(pMatch->index + 1 == index);
-  ASSERT(pMatch->term <= pEntry->term);
+  if (pMatch == NULL) {
+    sError("vgId:%d, no matched log entry", pNode->vgId);
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _err;
+  }
+  if (pMatch->index + 1 != index) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _err;
+  }
+  if (!(pMatch->term <= pEntry->term)) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _err;
+  }
 
   SSyncLogBufEntry tmp = {.pItem = pEntry, .prevLogIndex = pMatch->index, .prevLogTerm = pMatch->term};
   pBuf->entries[index % pBuf->size] = tmp;
@@ -114,7 +130,7 @@ int32_t syncLogReplGetPrevLogTerm(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncI
     TAOS_RETURN(TSDB_CODE_WAL_LOG_NOT_EXIST);
   }
 
-  ASSERT(index - 1 == prevIndex);
+  if (index - 1 != prevIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   if (prevIndex >= pBuf->startIndex) {
     pEntry = pBuf->entries[(prevIndex + pBuf->size) % pBuf->size].pItem;
@@ -178,9 +194,18 @@ int32_t syncLogValidateAlignmentOfCommit(SSyncNode* pNode, SyncIndex commitIndex
 }
 
 int32_t syncLogBufferInitWithoutLock(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
-  ASSERTS(pNode->pLogStore != NULL, "log store not created");
-  ASSERTS(pNode->pFsm != NULL, "pFsm not registered");
-  ASSERTS(pNode->pFsm->FpGetSnapshotInfo != NULL, "FpGetSnapshotInfo not registered");
+  if (pNode->pLogStore == NULL) {
+    sError("log store not created");
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pNode->pFsm == NULL) {
+    sError("pFsm not registered");
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pNode->pFsm->FpGetSnapshotInfo == NULL) {
+    sError("FpGetSnapshotInfo not registered");
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
 
   int32_t   code = 0, lino = 0;
   SSnapshot snapshot = {0};
@@ -191,7 +216,8 @@ int32_t syncLogBufferInitWithoutLock(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
   TAOS_CHECK_EXIT(syncLogValidateAlignmentOfCommit(pNode, commitIndex));
 
   SyncIndex lastVer = pNode->pLogStore->syncLogLastIndex(pNode->pLogStore);
-  ASSERT(lastVer >= commitIndex);
+  if (lastVer < commitIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
+  ;
   SyncIndex toIndex = lastVer;
   // update match index
   pBuf->commitIndex = commitIndex;
@@ -239,7 +265,7 @@ int32_t syncLogBufferInitWithoutLock(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
 
   // put a dummy record at commitIndex if present in log buffer
   if (takeDummy) {
-    ASSERT(index == pBuf->commitIndex);
+    if (index != pBuf->commitIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
     SSyncRaftEntry* pDummy = syncEntryBuildDummy(commitTerm, commitIndex, pNode->vgId);
     if (pDummy == NULL) {
@@ -392,9 +418,18 @@ int32_t syncLogBufferAccept(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEnt
   }
 
   // update
-  ASSERT(pBuf->startIndex < index);
-  ASSERT(index - pBuf->startIndex < pBuf->size);
-  ASSERT(pBuf->entries[index % pBuf->size].pItem == NULL);
+  if (!(pBuf->startIndex < index)) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _out;
+  };
+  if (!(index - pBuf->startIndex < pBuf->size)) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _out;
+  }
+  if (pBuf->entries[index % pBuf->size].pItem != NULL) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _out;
+  }
   SSyncLogBufEntry tmp = {.pItem = pEntry, .prevLogIndex = prevIndex, .prevLogTerm = prevTerm};
   pEntry = NULL;
   pBuf->entries[index % pBuf->size] = tmp;
@@ -422,14 +457,14 @@ static inline bool syncLogStoreNeedFlush(SSyncRaftEntry* pEntry, int32_t replica
 
 int32_t syncLogStorePersist(SSyncLogStore* pLogStore, SSyncNode* pNode, SSyncRaftEntry* pEntry) {
   int32_t code = 0;
-  ASSERT(pEntry->index >= 0);
+  if (pEntry->index < 0) return TSDB_CODE_SYN_INTERNAL_ERROR;
   SyncIndex lastVer = pLogStore->syncLogLastIndex(pLogStore);
   if (lastVer >= pEntry->index && (code = pLogStore->syncLogTruncate(pLogStore, pEntry->index)) < 0) {
     sError("failed to truncate log store since %s. from index:%" PRId64 "", tstrerror(code), pEntry->index);
     TAOS_RETURN(code);
   }
   lastVer = pLogStore->syncLogLastIndex(pLogStore);
-  ASSERT(pEntry->index == lastVer + 1);
+  if (pEntry->index != lastVer + 1) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   bool doFsync = syncLogStoreNeedFlush(pEntry, pNode->replicaNum);
   if ((code = pLogStore->syncLogAppendEntry(pLogStore, pEntry, doFsync)) < 0) {
@@ -439,7 +474,7 @@ int32_t syncLogStorePersist(SSyncLogStore* pLogStore, SSyncNode* pNode, SSyncRaf
   }
 
   lastVer = pLogStore->syncLogLastIndex(pLogStore);
-  ASSERT(pEntry->index == lastVer);
+  if (pEntry->index != lastVer) return TSDB_CODE_SYN_INTERNAL_ERROR;
   return 0;
 }
 
@@ -718,7 +753,7 @@ int32_t syncLogBufferCommit(SSyncLogBuffer* pBuf, SSyncNode* pNode, int64_t comm
   SyncIndex until = pBuf->commitIndex - TSDB_SYNC_LOG_BUFFER_RETENTION;
   for (SyncIndex index = pBuf->startIndex; index < until; index++) {
     SSyncRaftEntry* pEntry = pBuf->entries[(index + pBuf->size) % pBuf->size].pItem;
-    ASSERT(pEntry != NULL);
+    if (pEntry == NULL) return TSDB_CODE_SYN_INTERNAL_ERROR;
     syncEntryDestroy(pEntry);
     (void)memset(&pBuf->entries[(index + pBuf->size) % pBuf->size], 0, sizeof(pBuf->entries[0]));
     pBuf->startIndex = index + 1;
@@ -786,7 +821,10 @@ int32_t syncLogReplRetryOnNeed(SSyncLogReplMgr* pMgr, SSyncNode* pNode) {
 
   for (SyncIndex index = pMgr->startIndex; index < pMgr->endIndex; index++) {
     int64_t pos = index % pMgr->size;
-    ASSERT(!pMgr->states[pos].barrier || (index == pMgr->startIndex || index + 1 == pMgr->endIndex));
+    if (!(!pMgr->states[pos].barrier || (index == pMgr->startIndex || index + 1 == pMgr->endIndex))) {
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
 
     if (nowMs < pMgr->states[pos].timeMs + retryWaitMs) {
       break;
@@ -809,7 +847,10 @@ int32_t syncLogReplRetryOnNeed(SSyncLogReplMgr* pMgr, SSyncNode* pNode) {
              tstrerror(code), index, pDestId->addr);
       goto _out;
     }
-    ASSERT(barrier == pMgr->states[pos].barrier);
+    if (barrier != pMgr->states[pos].barrier) {
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
     pMgr->states[pos].timeMs = nowMs;
     pMgr->states[pos].term = term;
     pMgr->states[pos].acked = false;
@@ -839,11 +880,11 @@ int32_t syncLogReplRecover(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncAppendEn
   SSyncLogBuffer* pBuf = pNode->pLogBuf;
   SRaftId         destId = pMsg->srcId;
   int32_t         code = 0;
-  ASSERT(pMgr->restored == false);
+  if (pMgr->restored != false) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   if (pMgr->endIndex == 0) {
-    ASSERT(pMgr->startIndex == 0);
-    ASSERT(pMgr->matchIndex == 0);
+    if (pMgr->startIndex != 0) return TSDB_CODE_SYN_INTERNAL_ERROR;
+    if (pMgr->matchIndex != 0) return TSDB_CODE_SYN_INTERNAL_ERROR;
     if (pMsg->matchIndex < 0) {
       pMgr->restored = true;
       sInfo("vgId:%d, sync log repl restored. peer: dnode:%d (%" PRIx64 "), repl-mgr:[%" PRId64 " %" PRId64 ", %" PRId64
@@ -909,7 +950,7 @@ int32_t syncLogReplRecover(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncAppendEn
 
     if ((index + 1 < firstVer) || (term < 0) ||
         (term != pMsg->lastMatchTerm && (index + 1 == firstVer || index == firstVer))) {
-      ASSERT(term >= 0 || terrno == TSDB_CODE_WAL_LOG_NOT_EXIST);
+      if (!(term >= 0 || terrno == TSDB_CODE_WAL_LOG_NOT_EXIST)) return TSDB_CODE_SYN_INTERNAL_ERROR;
       if ((code = syncNodeStartSnapshot(pNode, &destId)) < 0) {
         sError("vgId:%d, failed to start snapshot for peer dnode:%d", pNode->vgId, DID(&destId));
         TAOS_RETURN(code);
@@ -918,13 +959,13 @@ int32_t syncLogReplRecover(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncAppendEn
       return 0;
     }
 
-    ASSERT(index + 1 >= firstVer);
+    if (!(index + 1 >= firstVer)) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
     if (term == pMsg->lastMatchTerm) {
       index = index + 1;
-      ASSERT(index <= pNode->pLogBuf->matchIndex);
+      if (!(index <= pNode->pLogBuf->matchIndex)) return TSDB_CODE_SYN_INTERNAL_ERROR;
     } else {
-      ASSERT(index > firstVer);
+      if (!(index > firstVer)) return TSDB_CODE_SYN_INTERNAL_ERROR;
     }
   }
 
@@ -975,8 +1016,8 @@ int32_t syncLogReplStart(SSyncLogReplMgr* pMgr, SSyncNode* pNode) {
 }
 
 int32_t syncLogReplProbe(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncIndex index) {
-  ASSERT(!pMgr->restored);
-  ASSERT(pMgr->startIndex >= 0);
+  if (pMgr->restored) return TSDB_CODE_SYN_INTERNAL_ERROR;
+  if (!(pMgr->startIndex >= 0)) return TSDB_CODE_SYN_INTERNAL_ERROR;
   int64_t retryMaxWaitMs = syncGetRetryMaxWaitMs();
   int64_t nowMs = taosGetMonoTimestampMs();
   int32_t code = 0;
@@ -996,7 +1037,7 @@ int32_t syncLogReplProbe(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncIndex inde
     TAOS_RETURN(code);
   }
 
-  ASSERT(index >= 0);
+  if (!(index >= 0)) return TSDB_CODE_SYN_INTERNAL_ERROR;
   pMgr->states[index % pMgr->size].barrier = barrier;
   pMgr->states[index % pMgr->size].timeMs = nowMs;
   pMgr->states[index % pMgr->size].term = term;
@@ -1014,7 +1055,7 @@ int32_t syncLogReplProbe(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncIndex inde
 }
 
 int32_t syncLogReplAttempt(SSyncLogReplMgr* pMgr, SSyncNode* pNode) {
-  ASSERT(pMgr->restored);
+  if (!pMgr->restored) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   SRaftId*  pDestId = &pNode->replicasId[pMgr->peerId];
   int32_t   batchSize = TMAX(1, pMgr->size >> (4 + pMgr->retryBackoff));
@@ -1070,7 +1111,7 @@ int32_t syncLogReplAttempt(SSyncLogReplMgr* pMgr, SSyncNode* pNode) {
 }
 
 int32_t syncLogReplContinue(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncAppendEntriesReply* pMsg) {
-  ASSERT(pMgr->restored == true);
+  if (pMgr->restored != true) return TSDB_CODE_SYN_INTERNAL_ERROR;
   if (pMgr->startIndex <= pMsg->lastSendIndex && pMsg->lastSendIndex < pMgr->endIndex) {
     if (pMgr->startIndex < pMgr->matchIndex && pMgr->retryBackoff > 0) {
       int64_t firstMs = pMgr->states[pMgr->startIndex % pMgr->size].timeMs;
@@ -1100,7 +1141,10 @@ SSyncLogReplMgr* syncLogReplCreate() {
 
   pMgr->size = sizeof(pMgr->states) / sizeof(pMgr->states[0]);
 
-  ASSERT(pMgr->size == TSDB_SYNC_LOG_BUFFER_SIZE);
+  if (pMgr->size != TSDB_SYNC_LOG_BUFFER_SIZE) {
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return NULL;
+  }
 
   return pMgr;
 }
@@ -1115,7 +1159,7 @@ void syncLogReplDestroy(SSyncLogReplMgr* pMgr) {
 
 int32_t syncNodeLogReplInit(SSyncNode* pNode) {
   for (int i = 0; i < TSDB_MAX_REPLICA + TSDB_MAX_LEARNER_REPLICA; i++) {
-    ASSERT(pNode->logReplMgrs[i] == NULL);
+    if (pNode->logReplMgrs[i] != NULL) return TSDB_CODE_SYN_INTERNAL_ERROR;
     pNode->logReplMgrs[i] = syncLogReplCreate();
     if (pNode->logReplMgrs[i] == NULL) {
       TAOS_RETURN(TSDB_CODE_OUT_OF_MEMORY);
@@ -1141,7 +1185,10 @@ int32_t syncLogBufferCreate(SSyncLogBuffer** ppBuf) {
 
   pBuf->size = sizeof(pBuf->entries) / sizeof(pBuf->entries[0]);
 
-  ASSERT(pBuf->size == TSDB_SYNC_LOG_BUFFER_SIZE);
+  if (pBuf->size != TSDB_SYNC_LOG_BUFFER_SIZE) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _exit;
+  }
 
   if (taosThreadMutexAttrInit(&pBuf->attr) < 0) {
     code = TAOS_SYSTEM_ERROR(errno);
@@ -1194,7 +1241,7 @@ void syncLogBufferDestroy(SSyncLogBuffer* pBuf) {
 
 int32_t syncLogBufferRollback(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncIndex toIndex) {
   int32_t code = 0;
-  ASSERT(pBuf->commitIndex < toIndex && toIndex <= pBuf->endIndex);
+  if (!(pBuf->commitIndex < toIndex && toIndex <= pBuf->endIndex)) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   if (toIndex == pBuf->endIndex) {
     return 0;
@@ -1217,7 +1264,7 @@ int32_t syncLogBufferRollback(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncIndex
   }
   pBuf->endIndex = toIndex;
   pBuf->matchIndex = TMIN(pBuf->matchIndex, index);
-  ASSERT(index + 1 == toIndex);
+  if (index + 1 != toIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   // trunc wal
   SyncIndex lastVer = pNode->pLogStore->syncLogLastIndex(pNode->pLogStore);
@@ -1227,7 +1274,7 @@ int32_t syncLogBufferRollback(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncIndex
     TAOS_RETURN(code);
   }
   lastVer = pNode->pLogStore->syncLogLastIndex(pNode->pLogStore);
-  ASSERT(toIndex == lastVer + 1);
+  if (toIndex != lastVer + 1) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   // refill buffer on need
   if (toIndex <= pBuf->startIndex) {
@@ -1237,7 +1284,7 @@ int32_t syncLogBufferRollback(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncIndex
     }
   }
 
-  ASSERT(pBuf->endIndex == toIndex);
+  if (pBuf->endIndex != toIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
   (void)syncLogBufferValidate(pBuf);
   return 0;
 }
@@ -1246,7 +1293,7 @@ int32_t syncLogBufferReset(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
   (void)taosThreadMutexLock(&pBuf->mutex);
   (void)syncLogBufferValidate(pBuf);
   SyncIndex lastVer = pNode->pLogStore->syncLogLastIndex(pNode->pLogStore);
-  ASSERT(lastVer == pBuf->matchIndex);
+  if (lastVer != pBuf->matchIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
   SyncIndex index = pBuf->endIndex - 1;
 
   (void)syncLogBufferRollback(pBuf, pNode, pBuf->matchIndex + 1);
diff --git a/source/libs/sync/src/syncRaftEntry.c b/source/libs/sync/src/syncRaftEntry.c
index fd6781f354..56a702a9d5 100644
--- a/source/libs/sync/src/syncRaftEntry.c
+++ b/source/libs/sync/src/syncRaftEntry.c
@@ -70,7 +70,10 @@ SSyncRaftEntry* syncEntryBuildFromAppendEntries(const SyncAppendEntries* pMsg) {
     return NULL;
   }
   memcpy(pEntry, pMsg->data, pMsg->dataLen);
-  ASSERT(pEntry->bytes == pMsg->dataLen);
+  if (pEntry->bytes != pMsg->dataLen) {
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return NULL;
+  }
   return pEntry;
 }
 
diff --git a/source/libs/sync/src/syncRaftLog.c b/source/libs/sync/src/syncRaftLog.c
index ecca777806..e7ecb67e69 100644
--- a/source/libs/sync/src/syncRaftLog.c
+++ b/source/libs/sync/src/syncRaftLog.c
@@ -61,7 +61,10 @@ SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {
   SSyncLogStoreData* pData = pLogStore->data;
   pData->pSyncNode = pSyncNode;
   pData->pWal = pSyncNode->pWal;
-  ASSERT(pData->pWal != NULL);
+  if (pData->pWal == NULL) {
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return NULL;
+  }
 
   (void)taosThreadMutexInit(&(pData->mutex), NULL);
   pData->pWalHandle = walOpenReader(pData->pWal, NULL, 0);
@@ -115,7 +118,7 @@ void logStoreDestory(SSyncLogStore* pLogStore) {
 
 // log[m .. n]
 static int32_t raftLogRestoreFromSnapshot(struct SSyncLogStore* pLogStore, SyncIndex snapshotIndex) {
-  ASSERT(snapshotIndex >= 0);
+  if (!(snapshotIndex >= 0)) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
@@ -303,14 +306,14 @@ int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index, SSyncR
   }
 
   *ppEntry = syncEntryBuild(pWalHandle->pHead->head.bodyLen);
-  ASSERT(*ppEntry != NULL);
+  if (*ppEntry == NULL) return TSDB_CODE_SYN_INTERNAL_ERROR;
   (*ppEntry)->msgType = TDMT_SYNC_CLIENT_REQUEST;
   (*ppEntry)->originalRpcType = pWalHandle->pHead->head.msgType;
   (*ppEntry)->seqNum = pWalHandle->pHead->head.syncMeta.seqNum;
   (*ppEntry)->isWeak = pWalHandle->pHead->head.syncMeta.isWeek;
   (*ppEntry)->term = pWalHandle->pHead->head.syncMeta.term;
   (*ppEntry)->index = index;
-  ASSERT((*ppEntry)->dataLen == pWalHandle->pHead->head.bodyLen);
+  if ((*ppEntry)->dataLen != pWalHandle->pHead->head.bodyLen) return TSDB_CODE_SYN_INTERNAL_ERROR;
   (void)memcpy((*ppEntry)->data, pWalHandle->pHead->head.body, pWalHandle->pHead->head.bodyLen);
 
   /*
@@ -362,14 +365,14 @@ static int32_t raftLogTruncate(struct SSyncLogStore* pLogStore, SyncIndex fromIn
 static int32_t raftLogGetLastEntry(SSyncLogStore* pLogStore, SSyncRaftEntry** ppLastEntry) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
-  ASSERT(ppLastEntry != NULL);
+  if (ppLastEntry == NULL) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   *ppLastEntry = NULL;
   if (walIsEmpty(pWal)) {
     TAOS_RETURN(TSDB_CODE_WAL_LOG_NOT_EXIST);
   } else {
     SyncIndex lastIndex = raftLogLastIndex(pLogStore);
-    ASSERT(lastIndex >= SYNC_INDEX_BEGIN);
+    if (!(lastIndex >= SYNC_INDEX_BEGIN)) return TSDB_CODE_SYN_INTERNAL_ERROR;
     int32_t code = raftLogGetEntry(pLogStore, lastIndex, ppLastEntry);
 
     TAOS_RETURN(code);
diff --git a/source/libs/sync/src/syncRequestVote.c b/source/libs/sync/src/syncRequestVote.c
index a30b9a4930..8b8b2580b1 100644
--- a/source/libs/sync/src/syncRequestVote.c
+++ b/source/libs/sync/src/syncRequestVote.c
@@ -104,7 +104,7 @@ int32_t syncNodeOnRequestVote(SSyncNode* ths, const SRpcMsg* pRpcMsg) {
     syncNodeStepDown(ths, pMsg->term);
   }
   SyncTerm currentTerm = raftStoreGetTerm(ths);
-  ASSERT(pMsg->term <= currentTerm);
+  if (!(pMsg->term <= currentTerm)) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   bool grant = (pMsg->term == currentTerm) && logOK &&
                ((!raftStoreHasVoted(ths)) || (syncUtilSameId(&ths->raftStore.voteFor, &pMsg->srcId)));
@@ -130,7 +130,7 @@ int32_t syncNodeOnRequestVote(SSyncNode* ths, const SRpcMsg* pRpcMsg) {
   pReply->destId = pMsg->srcId;
   pReply->term = currentTerm;
   pReply->voteGranted = grant;
-  ASSERT(!grant || pMsg->term == pReply->term);
+  if (!(!grant || pMsg->term == pReply->term)) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   // trace log
   syncLogRecvRequestVote(ths, pMsg, pReply->voteGranted, "");
diff --git a/source/libs/sync/src/syncRequestVoteReply.c b/source/libs/sync/src/syncRequestVoteReply.c
index 10d9a6c96b..eeddb708ab 100644
--- a/source/libs/sync/src/syncRequestVoteReply.c
+++ b/source/libs/sync/src/syncRequestVoteReply.c
@@ -64,7 +64,7 @@ int32_t syncNodeOnRequestVoteReply(SSyncNode* ths, const SRpcMsg* pRpcMsg) {
   }
 
   syncLogRecvRequestVoteReply(ths, pMsg, "");
-  ASSERT(pMsg->term == currentTerm);
+  if (pMsg->term != currentTerm) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   // This tallies votes even when the current state is not Candidate,
   // but they won't be looked at, so it doesn't matter.
diff --git a/source/libs/sync/src/syncSnapshot.c b/source/libs/sync/src/syncSnapshot.c
index 8a2c53997b..2a3b164f03 100644
--- a/source/libs/sync/src/syncSnapshot.c
+++ b/source/libs/sync/src/syncSnapshot.c
@@ -57,7 +57,7 @@ static int32_t syncSnapBufferCreate(SSyncSnapBuffer **ppBuf) {
     TAOS_RETURN(TSDB_CODE_OUT_OF_MEMORY);
   }
   pBuf->size = sizeof(pBuf->entries) / sizeof(void *);
-  ASSERT(pBuf->size == TSDB_SYNC_SNAP_BUFFER_SIZE);
+  if (pBuf->size != TSDB_SYNC_SNAP_BUFFER_SIZE) return TSDB_CODE_SYN_INTERNAL_ERROR;
   (void)taosThreadMutexInit(&pBuf->mutex, NULL);
   *ppBuf = pBuf;
   TAOS_RETURN(0);
@@ -311,7 +311,10 @@ static int32_t snapshotSend(SSyncSnapshotSender *pSender) {
     }
   }
 
-  ASSERT(pSender->seq >= SYNC_SNAPSHOT_SEQ_BEGIN && pSender->seq <= SYNC_SNAPSHOT_SEQ_END);
+  if (!(pSender->seq >= SYNC_SNAPSHOT_SEQ_BEGIN && pSender->seq <= SYNC_SNAPSHOT_SEQ_END)) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _OUT;
+  }
 
   // send msg
   int32_t blockLen = (pBlk) ? pBlk->blockLen : 0;
@@ -323,7 +326,10 @@ static int32_t snapshotSend(SSyncSnapshotSender *pSender) {
   // put in buffer
   int64_t nowMs = taosGetTimestampMs();
   if (pBlk) {
-    ASSERT(pBlk->seq > SYNC_SNAPSHOT_SEQ_BEGIN && pBlk->seq < SYNC_SNAPSHOT_SEQ_END);
+    if (!(pBlk->seq > SYNC_SNAPSHOT_SEQ_BEGIN && pBlk->seq < SYNC_SNAPSHOT_SEQ_END)) {
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _OUT;
+    }
     pBlk->sendTimeMs = nowMs;
     pSender->pSndBuf->entries[pSender->seq % pSender->pSndBuf->size] = pBlk;
     pBlk = NULL;
@@ -351,7 +357,10 @@ int32_t snapshotReSend(SSyncSnapshotSender *pSender) {
 
   for (int32_t seq = pSndBuf->cursor + 1; seq < pSndBuf->end; ++seq) {
     SyncSnapBlock *pBlk = pSndBuf->entries[seq % pSndBuf->size];
-    ASSERT(pBlk);
+    if (!pBlk) {
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
     int64_t nowMs = taosGetTimestampMs();
     if (pBlk->acked || nowMs < pBlk->sendTimeMs + SYNC_SNAP_RESEND_MS) {
       continue;
@@ -682,7 +691,7 @@ SyncIndex syncNodeGetSnapBeginIndex(SSyncNode *ths) {
 
 static int32_t syncSnapReceiverExchgSnapInfo(SSyncNode *pSyncNode, SSyncSnapshotReceiver *pReceiver,
                                              SyncSnapshotSend *pMsg, SSnapshot *pInfo) {
-  ASSERT(pMsg->payloadType == TDMT_SYNC_PREP_SNAPSHOT);
+  if (pMsg->payloadType != TDMT_SYNC_PREP_SNAPSHOT) return TSDB_CODE_SYN_INTERNAL_ERROR;
   int32_t code = 0, lino = 0;
 
   // copy snap info from leader
@@ -878,7 +887,7 @@ static int32_t syncSnapBufferRecv(SSyncSnapshotReceiver *pReceiver, SyncSnapshot
     goto _out;
   }
 
-  ASSERT(pRcvBuf->start <= pRcvBuf->cursor + 1 && pRcvBuf->cursor < pRcvBuf->end);
+  if (!(pRcvBuf->start <= pRcvBuf->cursor + 1 && pRcvBuf->cursor < pRcvBuf->end)) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   if (pMsg->seq > pRcvBuf->cursor) {
     if (pRcvBuf->entries[pMsg->seq % pRcvBuf->size]) {
@@ -922,7 +931,7 @@ static int32_t syncNodeOnSnapshotReceive(SSyncNode *pSyncNode, SyncSnapshotSend
   // condition 4
   // transfering
   SyncSnapshotSend *pMsg = ppMsg[0];
-  ASSERT(pMsg);
+  if (!pMsg) return TSDB_CODE_SYN_INTERNAL_ERROR;
   SSyncSnapshotReceiver *pReceiver = pSyncNode->pNewNodeReceiver;
   int64_t                timeNow = taosGetTimestampMs();
   int32_t                code = 0;
@@ -1071,7 +1080,7 @@ _out:;
 }
 
 static int32_t syncSnapSenderExchgSnapInfo(SSyncNode *pSyncNode, SSyncSnapshotSender *pSender, SyncSnapshotRsp *pMsg) {
-  ASSERT(pMsg->payloadType == TDMT_SYNC_PREP_SNAPSHOT_REPLY);
+  if (pMsg->payloadType != TDMT_SYNC_PREP_SNAPSHOT_REPLY) return TSDB_CODE_SYN_INTERNAL_ERROR;
 
   SSyncTLV *datHead = (void *)pMsg->data;
   if (datHead->typ != pMsg->payloadType) {
@@ -1168,11 +1177,17 @@ static int32_t syncSnapBufferSend(SSyncSnapshotSender *pSender, SyncSnapshotRsp
     goto _out;
   }
 
-  ASSERT(pSndBuf->start <= pSndBuf->cursor + 1 && pSndBuf->cursor < pSndBuf->end);
+  if (!(pSndBuf->start <= pSndBuf->cursor + 1 && pSndBuf->cursor < pSndBuf->end)) {
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _out;
+  }
 
   if (pMsg->ack > pSndBuf->cursor && pMsg->ack < pSndBuf->end) {
     SyncSnapBlock *pBlk = pSndBuf->entries[pMsg->ack % pSndBuf->size];
-    ASSERT(pBlk);
+    if (!pBlk) {
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
     pBlk->acked = 1;
   }