diff --git a/source/libs/sync/src/syncCommit.c b/source/libs/sync/src/syncCommit.c
index 1c129a0ed1..5054339e8e 100644
--- a/source/libs/sync/src/syncCommit.c
+++ b/source/libs/sync/src/syncCommit.c
@@ -45,9 +45,6 @@
 //
 
 static inline int64_t syncNodeAbs64(int64_t a, int64_t b) {
-  ASSERT(a >= 0);
-  ASSERT(b >= 0);
-
   int64_t c = a > b ? a - b : b - a;
   return c;
 }
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 179bb4d503..d947a488bf 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -3523,6 +3523,9 @@ int32_t syncNodeOnLocalCmd(SSyncNode* ths, const SRpcMsg* pRpcMsg) {
       return 0;
     }
     SyncTerm matchTerm = syncLogBufferGetLastMatchTerm(ths->pLogBuf);
+    if (matchTerm < 0) {
+      return TSDB_CODE_SYN_INTERNAL_ERROR;
+    }
     if (pMsg->currentTerm == matchTerm) {
       (void)syncNodeUpdateCommitIndex(ths, pMsg->commitIndex);
     }
diff --git a/source/libs/sync/src/syncPipeline.c b/source/libs/sync/src/syncPipeline.c
index 22947bdd8e..5e6204dde8 100644
--- a/source/libs/sync/src/syncPipeline.c
+++ b/source/libs/sync/src/syncPipeline.c
@@ -46,8 +46,8 @@ int64_t syncLogBufferGetEndIndex(SSyncLogBuffer* pBuf) {
 
 int32_t syncLogBufferAppend(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEntry* pEntry) {
   int32_t code = 0;
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   (void)taosThreadMutexLock(&pBuf->mutex);
-  (void)syncLogBufferValidate(pBuf);
   SyncIndex index = pEntry->index;
 
   if (index - pBuf->startIndex >= pBuf->size) {
@@ -102,13 +102,13 @@ int32_t syncLogBufferAppend(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEnt
   pBuf->entries[index % pBuf->size] = tmp;
   pBuf->endIndex = index + 1;
 
-  (void)syncLogBufferValidate(pBuf);
   (void)taosThreadMutexUnlock(&pBuf->mutex);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   return 0;
 
 _err:
-  (void)syncLogBufferValidate(pBuf);
   (void)taosThreadMutexUnlock(&pBuf->mutex);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   taosMsleep(1);
   TAOS_RETURN(code);
 }
@@ -134,7 +134,11 @@ int32_t syncLogReplGetPrevLogTerm(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncI
 
   if (prevIndex >= pBuf->startIndex) {
     pEntry = pBuf->entries[(prevIndex + pBuf->size) % pBuf->size].pItem;
-    ASSERTS(pEntry != NULL, "no log entry found");
+    if (pEntry == NULL) {
+      sError("vgId:%d, failed to get pre log term since no log entry found", pNode->vgId);
+      *pSyncTerm = -1;
+      TAOS_RETURN(TSDB_CODE_SYN_INTERNAL_ERROR);
+    }
     prevLogTerm = pEntry->term;
     *pSyncTerm = prevLogTerm;
     return 0;
@@ -142,9 +146,18 @@ int32_t syncLogReplGetPrevLogTerm(SSyncLogReplMgr* pMgr, SSyncNode* pNode, SyncI
 
   if (pMgr && pMgr->startIndex <= prevIndex && prevIndex < pMgr->endIndex) {
     int64_t timeMs = pMgr->states[(prevIndex + pMgr->size) % pMgr->size].timeMs;
-    ASSERTS(timeMs != 0, "no log entry found");
+    if (timeMs == 0) {
+      sError("vgId:%d, failed to get pre log term since timeMs is 0", pNode->vgId);
+      *pSyncTerm = -1;
+      TAOS_RETURN(TSDB_CODE_SYN_INTERNAL_ERROR);
+    }
     prevLogTerm = pMgr->states[(prevIndex + pMgr->size) % pMgr->size].term;
-    ASSERT(prevIndex == 0 || prevLogTerm != 0);
+    if (!(prevIndex == 0 || prevLogTerm != 0)) {
+      sError("vgId:%d, failed to get pre log term prevIndex:%" PRId64 ", prevLogTerm:%" PRId64, pNode->vgId, prevIndex,
+             prevLogTerm);
+      *pSyncTerm = -1;
+      TAOS_RETURN(TSDB_CODE_SYN_INTERNAL_ERROR);
+    }
     *pSyncTerm = prevLogTerm;
     return 0;
   }
@@ -289,7 +302,7 @@ int32_t syncLogBufferInitWithoutLock(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
         pBuf->startIndex, pBuf->commitIndex, pBuf->matchIndex, pBuf->endIndex);
 
   // validate
-  (void)syncLogBufferValidate(pBuf);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   return 0;
 
 _exit:
@@ -307,8 +320,8 @@ int32_t syncLogBufferInit(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
 }
 
 int32_t syncLogBufferReInit(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   (void)taosThreadMutexLock(&pBuf->mutex);
-  (void)syncLogBufferValidate(pBuf);
   for (SyncIndex index = pBuf->startIndex; index < pBuf->endIndex; index++) {
     SSyncRaftEntry* pEntry = pBuf->entries[(index + pBuf->size) % pBuf->size].pItem;
     if (pEntry == NULL) continue;
@@ -321,15 +334,19 @@ int32_t syncLogBufferReInit(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
   if (code < 0) {
     sError("vgId:%d, failed to re-initialize sync log buffer since %s.", pNode->vgId, tstrerror(code));
   }
-  (void)syncLogBufferValidate(pBuf);
   (void)taosThreadMutexUnlock(&pBuf->mutex);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   return code;
 }
 
 FORCE_INLINE SyncTerm syncLogBufferGetLastMatchTermWithoutLock(SSyncLogBuffer* pBuf) {
   SyncIndex       index = pBuf->matchIndex;
   SSyncRaftEntry* pEntry = pBuf->entries[(index + pBuf->size) % pBuf->size].pItem;
-  ASSERT(pEntry != NULL);
+  if (pEntry == NULL) {
+    sError("failed to get last match term since entry is null");
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return -1;
+  }
   return pEntry->term;
 }
 
@@ -348,8 +365,8 @@ bool syncLogBufferIsEmpty(SSyncLogBuffer* pBuf) {
 }
 
 int32_t syncLogBufferAccept(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEntry* pEntry, SyncTerm prevTerm) {
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   (void)taosThreadMutexLock(&pBuf->mutex);
-  (void)syncLogBufferValidate(pBuf);
   int32_t         code = 0;
   SyncIndex       index = pEntry->index;
   SyncIndex       prevIndex = pEntry->index - 1;
@@ -357,6 +374,12 @@ int32_t syncLogBufferAccept(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEnt
   SSyncRaftEntry* pExist = NULL;
   bool            inBuf = true;
 
+  if (lastMatchTerm < 0) {
+    sError("vgId:%d, failed to accept, lastMatchTerm:%" PRId64, pNode->vgId, lastMatchTerm);
+    code = TSDB_CODE_SYN_INTERNAL_ERROR;
+    goto _out;
+  }
+
   if (index <= pBuf->commitIndex) {
     sTrace("vgId:%d, already committed. index:%" PRId64 ", term:%" PRId64 ". log buffer: [%" PRId64 " %" PRId64
            " %" PRId64 ", %" PRId64 ")",
@@ -364,7 +387,11 @@ int32_t syncLogBufferAccept(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEnt
            pBuf->endIndex);
     SyncTerm term = -1;
     code = syncLogReplGetPrevLogTerm(NULL, pNode, index + 1, &term);
-    ASSERT(pEntry->term >= 0);
+    if (pEntry->term < 0) {
+      sError("vgId:%d, failed to accept, pEntry->term:%" PRId64, pNode->vgId, pEntry->term);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
     if (term == pEntry->term) {
       code = 0;
     }
@@ -401,7 +428,12 @@ int32_t syncLogBufferAccept(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEnt
   // check current in buffer
   code = syncLogBufferGetOneEntry(pBuf, pNode, index, &inBuf, &pExist);
   if (pExist != NULL) {
-    ASSERT(pEntry->index == pExist->index);
+    if (pEntry->index != pExist->index) {
+      sError("vgId:%d, failed to accept, pEntry->index:%" PRId64 ", pExist->index:%" PRId64, pNode->vgId, pEntry->index,
+             pExist->index);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
     if (pEntry->term != pExist->term) {
       (void)syncLogBufferRollback(pBuf, pNode, index);
     } else {
@@ -411,7 +443,14 @@ int32_t syncLogBufferAccept(SSyncLogBuffer* pBuf, SSyncNode* pNode, SSyncRaftEnt
              pBuf->endIndex);
       SyncTerm existPrevTerm = -1;
       (void)syncLogReplGetPrevLogTerm(NULL, pNode, index, &existPrevTerm);
-      ASSERT(pEntry->term == pExist->term && (pEntry->index > pBuf->matchIndex || prevTerm == existPrevTerm));
+      if (!(pEntry->term == pExist->term && (pEntry->index > pBuf->matchIndex || prevTerm == existPrevTerm))) {
+        sError("vgId:%d, failed to accept, pEntry->term:%" PRId64 ", pExist->indexpExist->term:%" PRId64
+               ", pEntry->index:%" PRId64 ", pBuf->matchIndex:%" PRId64 ", prevTerm:%" PRId64
+               ", existPrevTerm:%" PRId64,
+               pNode->vgId, pEntry->term, pExist->term, pEntry->index, pBuf->matchIndex, prevTerm, existPrevTerm);
+        code = TSDB_CODE_SYN_INTERNAL_ERROR;
+        goto _out;
+      }
       code = 0;
       goto _out;
     }
@@ -446,8 +485,8 @@ _out:
     syncEntryDestroy(pExist);
     pExist = NULL;
   }
-  (void)syncLogBufferValidate(pBuf);
   (void)taosThreadMutexUnlock(&pBuf->mutex);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   TAOS_RETURN(code);
 }
 
@@ -479,8 +518,8 @@ int32_t syncLogStorePersist(SSyncLogStore* pLogStore, SSyncNode* pNode, SSyncRaf
 }
 
 int64_t syncLogBufferProceed(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncTerm* pMatchTerm, char* str) {
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   (void)taosThreadMutexLock(&pBuf->mutex);
-  (void)syncLogBufferValidate(pBuf);
 
   SSyncLogStore* pLogStore = pNode->pLogStore;
   int64_t        matchIndex = pBuf->matchIndex;
@@ -488,7 +527,11 @@ int64_t syncLogBufferProceed(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncTerm* p
 
   while (pBuf->matchIndex + 1 < pBuf->endIndex) {
     int64_t index = pBuf->matchIndex + 1;
-    ASSERT(index >= 0);
+    if (index < 0) {
+      sError("vgId:%d, failed to proceed index:%" PRId64, pNode->vgId, index);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
 
     // try to proceed
     SSyncLogBufEntry* pBufEntry = &pBuf->entries[index % pBuf->size];
@@ -501,14 +544,37 @@ int64_t syncLogBufferProceed(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncTerm* p
       goto _out;
     }
 
-    ASSERT(index == pEntry->index);
+    if (index != pEntry->index) {
+      sError("vgId:%d, failed to proceed index:%" PRId64 ", pEntry->index:%" PRId64, pNode->vgId, index, pEntry->index);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
 
     // match
     SSyncRaftEntry* pMatch = pBuf->entries[(pBuf->matchIndex + pBuf->size) % pBuf->size].pItem;
-    ASSERT(pMatch != NULL);
-    ASSERT(pMatch->index == pBuf->matchIndex);
-    ASSERT(pMatch->index + 1 == pEntry->index);
-    ASSERT(prevLogIndex == pMatch->index);
+    if (pMatch == NULL) {
+      sError("vgId:%d, failed to proceed since pMatch is null", pNode->vgId);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
+    if (pMatch->index != pBuf->matchIndex) {
+      sError("vgId:%d, failed to proceed, pMatch->index:%" PRId64 ", pBuf->matchIndex:%" PRId64, pNode->vgId,
+             pMatch->index, pBuf->matchIndex);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
+    if (pMatch->index + 1 != pEntry->index) {
+      sError("vgId:%d, failed to proceed, pMatch->index:%" PRId64 ", pEntry->index:%" PRId64, pNode->vgId,
+             pMatch->index, pEntry->index);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
+    if (prevLogIndex != pMatch->index) {
+      sError("vgId:%d, failed to proceed, prevLogIndex:%" PRId64 ", pMatch->index:%" PRId64, pNode->vgId, prevLogIndex,
+             pMatch->index);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
 
     if (pMatch->term != prevLogTerm) {
       sInfo(
@@ -567,7 +633,12 @@ int64_t syncLogBufferProceed(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncTerm* p
     // replicate on demand
     (void)syncNodeReplicateWithoutLock(pNode);
 
-    ASSERT(pEntry->index == pBuf->matchIndex);
+    if (pEntry->index != pBuf->matchIndex) {
+      sError("vgId:%d, failed to proceed, pEntry->index:%" PRId64 ", pBuf->matchIndex:%" PRId64, pNode->vgId,
+             pEntry->index, pBuf->matchIndex);
+      code = TSDB_CODE_SYN_INTERNAL_ERROR;
+      goto _out;
+    }
 
     // update my match index
     matchIndex = pBuf->matchIndex;
@@ -579,8 +650,8 @@ _out:
   if (pMatchTerm) {
     *pMatchTerm = pBuf->entries[(matchIndex + pBuf->size) % pBuf->size].pItem->term;
   }
-  (void)syncLogBufferValidate(pBuf);
   (void)taosThreadMutexUnlock(&pBuf->mutex);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   return matchIndex;
 }
 
@@ -643,17 +714,36 @@ _exit:
 }
 
 int32_t syncLogBufferValidate(SSyncLogBuffer* pBuf) {
-  ASSERT(pBuf->startIndex <= pBuf->matchIndex);
-  ASSERT(pBuf->commitIndex <= pBuf->matchIndex);
-  ASSERT(pBuf->matchIndex < pBuf->endIndex);
-  ASSERT(pBuf->endIndex - pBuf->startIndex <= pBuf->size);
-  ASSERT(pBuf->entries[(pBuf->matchIndex + pBuf->size) % pBuf->size].pItem);
+  if (pBuf->startIndex > pBuf->matchIndex) {
+    sError("failed to validate, pBuf->startIndex:%" PRId64 ", pBuf->matchIndex:%" PRId64, pBuf->startIndex,
+           pBuf->matchIndex);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pBuf->commitIndex > pBuf->matchIndex) {
+    sError("failed to validate, pBuf->commitIndex:%" PRId64 ", pBuf->matchIndex:%" PRId64, pBuf->commitIndex,
+           pBuf->matchIndex);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pBuf->matchIndex >= pBuf->endIndex) {
+    sError("failed to validate, pBuf->matchIndex:%" PRId64 ", pBuf->endIndex:%" PRId64, pBuf->matchIndex,
+           pBuf->endIndex);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pBuf->endIndex - pBuf->startIndex > pBuf->size) {
+    sError("failed to validate, pBuf->endIndex:%" PRId64 ", pBuf->startIndex:%" PRId64 ", pBuf->size:%" PRId64,
+           pBuf->endIndex, pBuf->startIndex, pBuf->size);
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  if (pBuf->entries[(pBuf->matchIndex + pBuf->size) % pBuf->size].pItem == NULL) {
+    sError("failed to validate since pItem is null");
+    return TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
   return 0;
 }
 
 int32_t syncLogBufferCommit(SSyncLogBuffer* pBuf, SSyncNode* pNode, int64_t commitIndex) {
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   (void)taosThreadMutexLock(&pBuf->mutex);
-  (void)syncLogBufferValidate(pBuf);
 
   SSyncLogStore*  pLogStore = pNode->pLogStore;
   SSyncFSM*       pFsm = pNode->pFsm;
@@ -778,15 +868,18 @@ _out:
     syncEntryDestroy(pNextEntry);
     pNextEntry = NULL;
   }
-  (void)syncLogBufferValidate(pBuf);
   (void)taosThreadMutexUnlock(&pBuf->mutex);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   TAOS_RETURN(code);
 }
 
 void syncLogReplReset(SSyncLogReplMgr* pMgr) {
   if (pMgr == NULL) return;
 
-  ASSERT(pMgr->startIndex >= 0);
+  if (pMgr->startIndex < 0) {
+    sError("failed to reset, pMgr->startIndex:%" PRId64, pMgr->startIndex);
+    return;
+  }
   for (SyncIndex index = pMgr->startIndex; index < pMgr->endIndex; index++) {
     (void)memset(&pMgr->states[index % pMgr->size], 0, sizeof(pMgr->states[0]));
   }
@@ -1285,13 +1378,13 @@ int32_t syncLogBufferRollback(SSyncLogBuffer* pBuf, SSyncNode* pNode, SyncIndex
   }
 
   if (pBuf->endIndex != toIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
-  (void)syncLogBufferValidate(pBuf);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   return 0;
 }
 
 int32_t syncLogBufferReset(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   (void)taosThreadMutexLock(&pBuf->mutex);
-  (void)syncLogBufferValidate(pBuf);
   SyncIndex lastVer = pNode->pLogStore->syncLogLastIndex(pNode->pLogStore);
   if (lastVer != pBuf->matchIndex) return TSDB_CODE_SYN_INTERNAL_ERROR;
   SyncIndex index = pBuf->endIndex - 1;
@@ -1308,8 +1401,8 @@ int32_t syncLogBufferReset(SSyncLogBuffer* pBuf, SSyncNode* pNode) {
     SSyncLogReplMgr* pMgr = pNode->logReplMgrs[i];
     syncLogReplReset(pMgr);
   }
-  (void)syncLogBufferValidate(pBuf);
   (void)taosThreadMutexUnlock(&pBuf->mutex);
+  TAOS_CHECK_RETURN(syncLogBufferValidate(pBuf));
   return 0;
 }