diff --git a/source/libs/sync/inc/syncPipeline.h b/source/libs/sync/inc/syncPipeline.h
index a59b14259a5a24db2235b2c91365a08b20c5caac..4208d40a69584e4fcd7df0e9e4a5f853ed6f62b6 100644
--- a/source/libs/sync/inc/syncPipeline.h
+++ b/source/libs/sync/inc/syncPipeline.h
@@ -55,6 +55,7 @@ typedef struct SSyncLogBuffer {
   int64_t          endIndex;
   int64_t          size;
   TdThreadMutex    mutex;
+  TdThreadMutexAttr attr;
 } SSyncLogBuffer;
 
 // SSyncLogRepMgr
diff --git a/source/libs/sync/src/syncCommit.c b/source/libs/sync/src/syncCommit.c
index 3377efe12c9eb20c60269a983fc784b6d2f63de4..07b1101256a047d7de1442086d605f7b8da2a26c 100644
--- a/source/libs/sync/src/syncCommit.c
+++ b/source/libs/sync/src/syncCommit.c
@@ -84,6 +84,7 @@ void syncOneReplicaAdvance(SSyncNode* pSyncNode) {
 }
 
 void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
+  ASSERT(false && "deprecated");
   if (pSyncNode == NULL) {
     sError("pSyncNode is NULL");
     return;
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 2b72c8d287b257b8bb78761252d122578d94c35b..d809c28090f8f8f849882862b75edc61c5bae265 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -1602,7 +1602,7 @@ void syncNodeDoConfigChange(SSyncNode* pSyncNode, SSyncCfg* pNewConfig, SyncInde
 
       // Raft 3.6.2 Committing entries from previous terms
       syncNodeAppendNoop(pSyncNode);
-      syncMaybeAdvanceCommitIndex(pSyncNode);
+      // syncMaybeAdvanceCommitIndex(pSyncNode);
 
     } else {
       syncNodeBecomeFollower(pSyncNode, tmpbuf);
diff --git a/source/libs/sync/src/syncPipeline.c b/source/libs/sync/src/syncPipeline.c
index 1fc6798471f18f542bc60631f2d7f1f3259a587c..e655ed13c8b6e3631b94e2abd8332789ae978e11 100644
--- a/source/libs/sync/src/syncPipeline.c
+++ b/source/libs/sync/src/syncPipeline.c
@@ -916,11 +916,24 @@ SSyncLogBuffer* syncLogBufferCreate() {
 
   ASSERT(pBuf->size == TSDB_SYNC_LOG_BUFFER_SIZE);
 
-  if (taosThreadMutexInit(&pBuf->mutex, NULL) < 0) {
+  if (taosThreadMutexAttrInit(&pBuf->attr) < 0) {
+    sError("failed to init log buffer mutexattr due to %s", strerror(errno));
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    goto _err;
+  }
+
+  if (taosThreadMutexAttrSetType(&pBuf->attr, PTHREAD_MUTEX_RECURSIVE) < 0) {
+    sError("failed to set log buffer mutexattr type due to %s", strerror(errno));
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    goto _err;
+  }
+
+  if (taosThreadMutexInit(&pBuf->mutex, &pBuf->attr) < 0) {
     sError("failed to init log buffer mutex due to %s", strerror(errno));
     terrno = TAOS_SYSTEM_ERROR(errno);
     goto _err;
   }
+
   return pBuf;
 
 _err:
@@ -947,6 +960,7 @@ void syncLogBufferDestroy(SSyncLogBuffer* pBuf) {
   }
   syncLogBufferClear(pBuf);
   (void)taosThreadMutexDestroy(&pBuf->mutex);
+  (void)taosThreadMutexAttrDestroy(&pBuf->attr);
   (void)taosMemoryFree(pBuf);
   return;
 }
diff --git a/source/libs/sync/src/syncReplication.c b/source/libs/sync/src/syncReplication.c
index ba9fe5b56abaa8be2562c3e408ce2ce9df61ebcb..0f56921ec77570e85c081837e596071aeecbe483 100644
--- a/source/libs/sync/src/syncReplication.c
+++ b/source/libs/sync/src/syncReplication.c
@@ -49,7 +49,7 @@
 int32_t syncNodeMaybeSendAppendEntries(SSyncNode* pSyncNode, const SRaftId* destRaftId, SRpcMsg* pRpcMsg);
 
 int32_t syncNodeReplicateOne(SSyncNode* pSyncNode, SRaftId* pDestId, bool snapshot) {
-  ASSERT(false && "deplicated");
+  ASSERT(false && "deprecated");
   // next index
   SyncIndex nextIndex = syncIndexMgrGetIndex(pSyncNode->pNextIndex, pDestId);