diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index b350f0925e..fd2a1b22b4 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -1128,7 +1128,12 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
       goto _error;
     }
     if (pSyncInfo->syncCfg.replicaNum > 0 && pSyncInfo->syncCfg.replicaNum != pSyncNode->pRaftCfg->cfg.replicaNum) {
-      sInfo("vgId:%d, use sync config from input options", pSyncNode->vgId);
+      sInfo("vgId:%d, use sync config from input options and write to cfg file", pSyncNode->vgId);
+      pSyncNode->pRaftCfg->cfg = pSyncInfo->syncCfg;
+      if (raftCfgPersist(pSyncNode->pRaftCfg) != 0) {
+        sError("vgId:%d, failed to persist raft cfg file at %s", pSyncNode->vgId, pSyncNode->configPath);
+        goto _error;
+      }
     } else {
       sInfo("vgId:%d, use sync config from raft cfg file", pSyncNode->vgId);
       pSyncInfo->syncCfg = pSyncNode->pRaftCfg->cfg;
@@ -1161,14 +1166,14 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
   // init raft config
   pSyncNode->pRaftCfg = raftCfgOpen(pSyncNode->configPath);
   if (pSyncNode->pRaftCfg == NULL) {
-    sError("failed to open raft cfg file. path:%s", pSyncNode->configPath);
+    sError("vgId:%d, failed to open raft cfg file at %s", pSyncNode->vgId, pSyncNode->configPath);
     goto _error;
   }
 
   // init internal
   pSyncNode->myNodeInfo = pSyncNode->pRaftCfg->cfg.nodeInfo[pSyncNode->pRaftCfg->cfg.myIndex];
   if (!syncUtilnodeInfo2raftId(&pSyncNode->myNodeInfo, pSyncNode->vgId, &pSyncNode->myRaftId)) {
-    sError("failed to determine my raft member id. vgId:%d", pSyncNode->vgId);
+    sError("vgId:%d, failed to determine my raft member id", pSyncNode->vgId);
     goto _error;
   }
 
@@ -1183,7 +1188,7 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
   }
   for (int i = 0; i < pSyncNode->peersNum; ++i) {
     if (!syncUtilnodeInfo2raftId(&pSyncNode->peersNodeInfo[i], pSyncNode->vgId, &pSyncNode->peersId[i])) {
-      sError("failed to determine raft member id. vgId:%d, peer:%d", pSyncNode->vgId, i);
+      sError("vgId:%d, failed to determine raft member id, peer:%d", pSyncNode->vgId, i);
       goto _error;
     }
   }
@@ -1192,7 +1197,7 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
   pSyncNode->replicaNum = pSyncNode->pRaftCfg->cfg.replicaNum;
   for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
     if (!syncUtilnodeInfo2raftId(&pSyncNode->pRaftCfg->cfg.nodeInfo[i], pSyncNode->vgId, &pSyncNode->replicasId[i])) {
-      sError("failed to determine raft member id. vgId:%d, replica:%d", pSyncNode->vgId, i);
+      sError("vgId:%d, failed to determine raft member id, replica:%d", pSyncNode->vgId, i);
       goto _error;
     }
   }
@@ -1233,38 +1238,38 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
   pSyncNode->state = TAOS_SYNC_STATE_FOLLOWER;
   pSyncNode->pRaftStore = raftStoreOpen(pSyncNode->raftStorePath);
   if (pSyncNode->pRaftStore == NULL) {
-    sError("failed to open raft store. path: %s", pSyncNode->raftStorePath);
+    sError("vgId:%d, failed to open raft store at path %s", pSyncNode->vgId, pSyncNode->raftStorePath);
     goto _error;
   }
 
   // init TLA+ candidate vars
   pSyncNode->pVotesGranted = voteGrantedCreate(pSyncNode);
   if (pSyncNode->pVotesGranted == NULL) {
-    sError("failed to create VotesGranted. vgId:%d", pSyncNode->vgId);
+    sError("vgId:%d, failed to create VotesGranted", pSyncNode->vgId);
     goto _error;
   }
   pSyncNode->pVotesRespond = votesRespondCreate(pSyncNode);
   if (pSyncNode->pVotesRespond == NULL) {
-    sError("failed to create VotesRespond. vgId:%d", pSyncNode->vgId);
+    sError("vgId:%d, failed to create VotesRespond", pSyncNode->vgId);
     goto _error;
   }
 
   // init TLA+ leader vars
   pSyncNode->pNextIndex = syncIndexMgrCreate(pSyncNode);
   if (pSyncNode->pNextIndex == NULL) {
-    sError("failed to create SyncIndexMgr. vgId:%d", pSyncNode->vgId);
+    sError("vgId:%d, failed to create SyncIndexMgr", pSyncNode->vgId);
     goto _error;
   }
   pSyncNode->pMatchIndex = syncIndexMgrCreate(pSyncNode);
   if (pSyncNode->pMatchIndex == NULL) {
-    sError("failed to create SyncIndexMgr. vgId:%d", pSyncNode->vgId);
+    sError("vgId:%d, failed to create SyncIndexMgr", pSyncNode->vgId);
     goto _error;
   }
 
   // init TLA+ log vars
   pSyncNode->pLogStore = logStoreCreate(pSyncNode);
   if (pSyncNode->pLogStore == NULL) {
-    sError("failed to create SyncLogStore. vgId:%d", pSyncNode->vgId);
+    sError("vgId:%d, failed to create SyncLogStore", pSyncNode->vgId);
     goto _error;
   }
 
@@ -1273,7 +1278,7 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
     SSnapshot snapshot = {0};
     int32_t   code = pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
     if (code != 0) {
-      sError("failed to get snapshot info. vgId:%d, code:%d", pSyncNode->vgId, code);
+      sError("vgId:%d, failed to get snapshot info, code:%d", pSyncNode->vgId, code);
       goto _error;
     }
     if (snapshot.lastApplyIndex > commitIndex) {
@@ -1332,7 +1337,7 @@ SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
   // tools
   pSyncNode->pSyncRespMgr = syncRespMgrCreate(pSyncNode, SYNC_RESP_TTL_MS);
   if (pSyncNode->pSyncRespMgr == NULL) {
-    sError("failed to create SyncRespMgr. vgId:%d", pSyncNode->vgId);
+    sError("vgId:%d, failed to create SyncRespMgr", pSyncNode->vgId);
     goto _error;
   }
 
@@ -2854,7 +2859,7 @@ static void syncNodeEqPeerHeartbeatTimer(void* param, void* tmrId) {
     return;
   }
 
-  //syncNodeEventLog(pSyncNode, "eq peer hb timer");
+  // syncNodeEventLog(pSyncNode, "eq peer hb timer");
 
   int64_t timerLogicClock = atomic_load_64(&pSyncTimer->logicClock);
   int64_t msgLogicClock = atomic_load_64(&pData->logicClock);
diff --git a/source/libs/sync/src/syncRaftCfg.c b/source/libs/sync/src/syncRaftCfg.c
index bac4825c50..7c8f503de6 100644
--- a/source/libs/sync/src/syncRaftCfg.c
+++ b/source/libs/sync/src/syncRaftCfg.c
@@ -355,8 +355,6 @@ char *raftCfg2Str(SRaftCfg *pRaftCfg) {
 }
 
 int32_t raftCfgCreateFile(SSyncCfg *pCfg, SRaftCfgMeta meta, const char *path) {
-  ASSERT(pCfg != NULL);
-
   TdFilePtr pFile = taosOpenFile(path, TD_FILE_CREATE | TD_FILE_WRITE);
   if (pFile == NULL) {
     int32_t     err = terrno;
diff --git a/tests/script/tsim/db/alter_replica_13.sim b/tests/script/tsim/db/alter_replica_13.sim
index ab4f349002..007bb00f07 100644
--- a/tests/script/tsim/db/alter_replica_13.sim
+++ b/tests/script/tsim/db/alter_replica_13.sim
@@ -129,7 +129,7 @@ endi
 
 print ============= step5: result
 $i = 0
-while $i < 1000
+while $i < 10
   $i = $i + 1
 
   sleep 1000