diff --git a/source/libs/sync/inc/syncInt.h b/source/libs/sync/inc/syncInt.h
index 635ebd63080e94ef8e8bad5b0b55947d328bd745..a158430a0ff6d361c072fb02d4bdf6317732ae5d 100644
--- a/source/libs/sync/inc/syncInt.h
+++ b/source/libs/sync/inc/syncInt.h
@@ -248,6 +248,7 @@ char*     syncNode2SimpleStr(const SSyncNode* pSyncNode);
 bool      syncNodeInConfig(SSyncNode* pSyncNode, const SSyncCfg* config);
 void      syncNodeDoConfigChange(SSyncNode* pSyncNode, SSyncCfg* newConfig, SyncIndex lastConfigChangeIndex);
 SyncIndex syncMinMatchIndex(SSyncNode* pSyncNode);
+char*     syncNodePeerState2Str(const SSyncNode* pSyncNode);
 
 SSyncNode* syncNodeAcquire(int64_t rid);
 void       syncNodeRelease(SSyncNode* pNode);
diff --git a/source/libs/sync/src/syncCommit.c b/source/libs/sync/src/syncCommit.c
index f377b086717731b5836f71c56b59c58acee17d42..b9d7789ca2032bb2ad35d7647bd1513489f5f09d 100644
--- a/source/libs/sync/src/syncCommit.c
+++ b/source/libs/sync/src/syncCommit.c
@@ -170,6 +170,8 @@ static inline int64_t syncNodeAbs64(int64_t a, int64_t b) {
 }
 
 int32_t syncNodeDynamicQuorum(const SSyncNode* pSyncNode) {
+  return pSyncNode->quorum;
+
   int32_t quorum = 1;  // self
 
   int64_t timeNow = taosGetTimestampMs();
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index e102ae31a20f4e88a539f6d6b494291f34a64843..ba4ce8def37e38876db6a3b633a662d965b6230f 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -322,6 +322,38 @@ SyncIndex syncMinMatchIndex(SSyncNode* pSyncNode) {
   return minMatchIndex;
 }
 
+char* syncNodePeerState2Str(const SSyncNode* pSyncNode) {
+  int32_t len = 128;
+  int32_t useLen = 0;
+  int32_t leftLen = len - useLen;
+  char*   pStr = taosMemoryMalloc(len);
+  memset(pStr, 0, len);
+
+  char*   p = pStr;
+  int32_t use = snprintf(p, leftLen, "{");
+  useLen += use;
+  leftLen -= use;
+
+  for (int32_t i = 0; i < pSyncNode->replicaNum; ++i) {
+    SPeerState* pState = syncNodeGetPeerState((SSyncNode*)pSyncNode, &(pSyncNode->replicasId[i]));
+    ASSERT(pState != NULL);
+
+    p = pStr + useLen;
+    use = snprintf(p, leftLen, "%d:%ld,%ld, ", i, pState->lastSendIndex, pState->lastSendTime);
+    useLen += use;
+    leftLen -= use;
+  }
+
+  p = pStr + useLen;
+  use = snprintf(p, leftLen, "}");
+  useLen += use;
+  leftLen -= use;
+
+  // sTrace("vgId:%d, ------------------ syncNodePeerState2Str:%s", pSyncNode->vgId, pStr);
+
+  return pStr;
+}
+
 int32_t syncBeginSnapshot(int64_t rid, int64_t lastApplyIndex) {
   SSyncNode* pSyncNode = (SSyncNode*)taosAcquireRef(tsNodeRefId, rid);
   if (pSyncNode == NULL) {
@@ -1825,8 +1857,6 @@ char* syncNode2Str(const SSyncNode* pSyncNode) {
 }
 
 inline void syncNodeEventLog(const SSyncNode* pSyncNode, char* str) {
-  int32_t userStrLen = strlen(str);
-
   SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
   if (pSyncNode->pFsm != NULL && pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
     pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
@@ -1845,6 +1875,9 @@ inline void syncNodeEventLog(const SSyncNode* pSyncNode, char* str) {
     printStr = pCfgStr;
   }
 
+  char*   peerStateStr = syncNodePeerState2Str(pSyncNode);
+  int32_t userStrLen = strlen(str) + strlen(peerStateStr);
+
   if (userStrLen < 256) {
     char logBuf[256 + 256];
     if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
@@ -1854,13 +1887,13 @@ inline void syncNodeEventLog(const SSyncNode* pSyncNode, char* str) {
                ", sby:%d, "
                "stgy:%d, bch:%d, "
                "r-num:%d, "
-               "lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s",
+               "lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s, %s",
                pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
                pSyncNode->commitIndex, logBeginIndex, logLastIndex, pSyncNode->minMatchIndex, snapshot.lastApplyIndex,
                snapshot.lastApplyTerm, pSyncNode->pRaftCfg->isStandBy, pSyncNode->pRaftCfg->snapshotStrategy,
                pSyncNode->pRaftCfg->batchSize, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
                pSyncNode->changing, pSyncNode->restoreFinish, syncNodeDynamicQuorum(pSyncNode),
-               pSyncNode->electTimerLogicClockUser, pSyncNode->heartbeatTimerLogicClockUser, printStr);
+               pSyncNode->electTimerLogicClockUser, pSyncNode->heartbeatTimerLogicClockUser, peerStateStr, printStr);
     } else {
       snprintf(logBuf, sizeof(logBuf), "%s", str);
     }
@@ -1878,19 +1911,20 @@ inline void syncNodeEventLog(const SSyncNode* pSyncNode, char* str) {
                ", sby:%d, "
                "stgy:%d, bch:%d, "
                "r-num:%d, "
-               "lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s",
+               "lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s, %s",
                pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
                pSyncNode->commitIndex, logBeginIndex, logLastIndex, pSyncNode->minMatchIndex, snapshot.lastApplyIndex,
                snapshot.lastApplyTerm, pSyncNode->pRaftCfg->isStandBy, pSyncNode->pRaftCfg->snapshotStrategy,
                pSyncNode->pRaftCfg->batchSize, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
                pSyncNode->changing, pSyncNode->restoreFinish, syncNodeDynamicQuorum(pSyncNode),
-               pSyncNode->electTimerLogicClockUser, pSyncNode->heartbeatTimerLogicClockUser, printStr);
+               pSyncNode->electTimerLogicClockUser, pSyncNode->heartbeatTimerLogicClockUser, peerStateStr, printStr);
     } else {
       snprintf(s, len, "%s", str);
     }
     // sDebug("%s", s);
     // sInfo("%s", s);
     sTrace("%s", s);
+    taosMemoryFree(peerStateStr);
     taosMemoryFree(s);
   }
 
@@ -3441,7 +3475,9 @@ SPeerState* syncNodeGetPeerState(SSyncNode* ths, const SRaftId* pDestId) {
 
 bool syncNodeNeedSendAppendEntries(SSyncNode* ths, const SRaftId* pDestId, const SyncAppendEntries* pMsg) {
   SPeerState* pState = syncNodeGetPeerState(ths, pDestId);
-  ASSERT(pState != NULL);
+  if (pState == NULL) {
+    return false;
+  }
 
   SyncIndex sendIndex = pMsg->prevLogIndex + 1;
   int64_t   tsNow = taosGetTimestampMs();
diff --git a/source/libs/sync/src/syncReplication.c b/source/libs/sync/src/syncReplication.c
index 431e1b46d09177cf5b625747a3460679c77dfe37..4231033e5d540741d31da35df3aca1be7cd099ca 100644
--- a/source/libs/sync/src/syncReplication.c
+++ b/source/libs/sync/src/syncReplication.c
@@ -165,8 +165,10 @@ int32_t syncNodeSendAppendEntries(SSyncNode* pSyncNode, const SRaftId* destRaftI
   SPeerState* pState = syncNodeGetPeerState(pSyncNode, destRaftId);
   ASSERT(pState != NULL);
 
-  pState->lastSendIndex = pMsg->prevLogIndex + 1;
-  pState->lastSendTime = taosGetTimestampMs();
+  if (pMsg->dataLen > 0) {
+    pState->lastSendIndex = pMsg->prevLogIndex + 1;
+    pState->lastSendTime = taosGetTimestampMs();
+  }
 
   return ret;
 }