diff --git a/source/dnode/vnode/src/vnd/vnodeSync.c b/source/dnode/vnode/src/vnd/vnodeSync.c
index a838dee53a..f3550bf2ee 100644
--- a/source/dnode/vnode/src/vnd/vnodeSync.c
+++ b/source/dnode/vnode/src/vnd/vnodeSync.c
@@ -19,9 +19,8 @@
 #define BATCH_DISABLE 1
 
 static inline bool vnodeIsMsgBlock(tmsg_t type) {
-  return (type == TDMT_VND_CREATE_TABLE) || (type == TDMT_VND_CREATE_TABLE) || (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_REPLICA);
+  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_REPLICA);
 }
 
 static inline bool vnodeIsMsgWeak(tmsg_t type) { return false; }
@@ -611,10 +610,10 @@ static int32_t vnodeSnapshotStartWrite(struct SSyncFSM *pFsm, void *pParam, void
   do {
     int32_t itemSize = tmsgGetQueueSize(&pVnode->msgCb, pVnode->config.vgId, APPLY_QUEUE);
     if (itemSize == 0) {
-      vDebug("vgId:%d, apply queue is empty, start write snapshot", pVnode->config.vgId);
+      vInfo("vgId:%d, start write vnode snapshot since apply queue is empty", pVnode->config.vgId);
       break;
     } else {
-      vDebug("vgId:%d, %d items in apply queue, write snapshot later", pVnode->config.vgId);
+      vInfo("vgId:%d, write vnode snapshot later since %d items in apply queue", pVnode->config.vgId);
       taosMsleep(10);
     }
   } while (true);
@@ -630,10 +629,11 @@ static int32_t vnodeSnapshotStartWrite(struct SSyncFSM *pFsm, void *pParam, void
 static int32_t vnodeSnapshotStopWrite(struct SSyncFSM *pFsm, void *pWriter, bool isApply, SSnapshot *pSnapshot) {
 #ifdef USE_TSDB_SNAPSHOT
   SVnode *pVnode = pFsm->data;
-  vDebug("vgId:%d, stop write snapshot, isApply:%d", pVnode->config.vgId, isApply);
+  vInfo("vgId:%d, stop write vnode snapshot, apply:%d, index:%" PRId64 " term:%" PRIu64 " config:%" PRId64, pVnode->config.vgId, isApply,
+        pSnapshot->lastApplyIndex, pSnapshot->lastApplyTerm, pSnapshot->lastApplyIndex);
 
   int32_t code = vnodeSnapWriterClose(pWriter, !isApply, pSnapshot);
-  vDebug("vgId:%d, apply snapshot to vnode, code:0x%x", pVnode->config.vgId, code);
+  vInfo("vgId:%d, apply vnode snapshot finished, code:0x%x", pVnode->config.vgId, code);
   return code;
 #else
   taosMemoryFree(pWriter);
@@ -644,8 +644,9 @@ static int32_t vnodeSnapshotStopWrite(struct SSyncFSM *pFsm, void *pWriter, bool
 static int32_t vnodeSnapshotDoWrite(struct SSyncFSM *pFsm, void *pWriter, void *pBuf, int32_t len) {
 #ifdef USE_TSDB_SNAPSHOT
   SVnode *pVnode = pFsm->data;
+  vDebug("vgId:%d, continue write vnode snapshot, len:%d", pVnode->config.vgId, len);
   int32_t code = vnodeSnapWrite(pWriter, pBuf, len);
-  vTrace("vgId:%d, write snapshot, len:%d", pVnode->config.vgId, len);
+  vDebug("vgId:%d, continue write vnode snapshot finished, len:%d", pVnode->config.vgId, len);
   return code;
 #else
   return 0;
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 1c23a99a11..f6f1f4e032 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -484,7 +484,7 @@ SyncIndex syncNodeGetSnapshotConfigIndex(SSyncNode* pSyncNode, SyncIndex snapsho
       lastIndex = (pSyncNode->pRaftCfg->configIndexArr)[i];
     }
   }
-  sTrace("vgId:%d, sync get snapshot last config index, index:%" PRId64 " lcindex:%" PRId64, pSyncNode->vgId,
+  sTrace("vgId:%d, sync get last config index, index:%" PRId64 " lcindex:%" PRId64, pSyncNode->vgId,
          snapshotLastApplyIndex, lastIndex);
 
   return lastIndex;
diff --git a/source/libs/sync/src/syncTimeout.c b/source/libs/sync/src/syncTimeout.c
index ff1f2c5af9..4ae803d744 100644
--- a/source/libs/sync/src/syncTimeout.c
+++ b/source/libs/sync/src/syncTimeout.c
@@ -41,18 +41,21 @@ int32_t syncNodeOnTimeoutCb(SSyncNode* ths, SyncTimeout* pMsg) {
       // syncNodePingAll(ths);
       // syncNodePingPeers(ths);
 
+      sTrace("vgId:%d, sync timeout, type:ping count:%d", ths->vgId, ths->pingTimerCounter);
       syncNodeTimerRoutine(ths);
     }
 
   } else if (pMsg->timeoutType == SYNC_TIMEOUT_ELECTION) {
     if (atomic_load_64(&ths->electTimerLogicClockUser) <= pMsg->logicClock) {
       ++(ths->electTimerCounter);
+      sInfo("vgId:%d, sync timeout, type:election count:%d", ths->vgId, ths->electTimerCounter);
       syncNodeElect(ths);
     }
 
   } else if (pMsg->timeoutType == SYNC_TIMEOUT_HEARTBEAT) {
     if (atomic_load_64(&ths->heartbeatTimerLogicClockUser) <= pMsg->logicClock) {
       ++(ths->heartbeatTimerCounter);
+      sInfo("vgId:%d, sync timeout, type:replicate count:%d", ths->vgId, ths->heartbeatTimerCounter);
       syncNodeReplicate(ths);
     }
   } else {