diff --git a/source/libs/sync/inc/sync_raft_progress_tracker.h b/source/libs/sync/inc/sync_raft_progress_tracker.h
index b267c46f35..8adb0b4736 100644
--- a/source/libs/sync/inc/sync_raft_progress_tracker.h
+++ b/source/libs/sync/inc/sync_raft_progress_tracker.h
@@ -112,4 +112,6 @@ ESyncRaftVoteResult syncRaftTallyVotes(SSyncRaftProgressTracker* tracker, int* r
 
 void syncRaftConfigState(const SSyncRaftProgressTracker* tracker, SSyncConfigState* cs);
 
+bool syncRaftIsInNodeMap(const SSyncRaftNodeMap* nodeMap, SyncNodeId nodeId);
+
 #endif  /* _TD_LIBS_SYNC_RAFT_PROGRESS_TRACKER_H */
diff --git a/source/libs/sync/inc/sync_raft_quorum_joint.h b/source/libs/sync/inc/sync_raft_quorum_joint.h
index 798e3d5eca..0ef002fe1a 100644
--- a/source/libs/sync/inc/sync_raft_quorum_joint.h
+++ b/source/libs/sync/inc/sync_raft_quorum_joint.h
@@ -36,34 +36,25 @@ typedef struct SSyncRaftQuorumJointConfig {
  **/
 ESyncRaftVoteType syncRaftVoteResult(SSyncRaftQuorumJointConfig* config, const ESyncRaftVoteType* votes);
 
-static FORCE_INLINE bool syncRaftJointConfigInCluster(const SSyncCluster* cluster, SyncNodeId id) {
-  int i;
-  for (i = 0; i < cluster->replica; ++i) {
-    if (cluster->nodeInfo[i].nodeId == id) {
-      return true;
-    }
-  }
-
-  return false;
-}
+bool syncRaftIsInNodeMap(const SSyncRaftNodeMap* nodeMap, SyncNodeId nodeId);
 
 static FORCE_INLINE bool syncRaftJointConfigInOutgoing(const SSyncRaftQuorumJointConfig* config, SyncNodeId id) {
-  return syncRaftJointConfigInCluster(&config->outgoing, id);
+  return syncRaftIsInNodeMap(&config->outgoing, id);
 }
 
 static FORCE_INLINE bool syncRaftJointConfigInIncoming(const SSyncRaftQuorumJointConfig* config, SyncNodeId id) {
-  return syncRaftJointConfigInCluster(&config->incoming, id);
+  return syncRaftIsInNodeMap(&config->incoming, id);
 }
 
 void syncRaftJointConfigAddToIncoming(SSyncRaftQuorumJointConfig* config, SyncNodeId id);
 
 void syncRaftJointConfigRemoveFromIncoming(SSyncRaftQuorumJointConfig* config, SyncNodeId id);
 
-static FORCE_INLINE const SSyncCluster* syncRaftJointConfigIncoming(const SSyncRaftQuorumJointConfig* config) {
+static FORCE_INLINE const SSyncRaftNodeMap* syncRaftJointConfigIncoming(const SSyncRaftQuorumJointConfig* config) {
   return &config->incoming;
 }
 
-static FORCE_INLINE const SSyncCluster* syncRaftJointConfigOutgoing(const SSyncRaftQuorumJointConfig* config) {
+static FORCE_INLINE const SSyncRaftNodeMap* syncRaftJointConfigOutgoing(const SSyncRaftQuorumJointConfig* config) {
   return &config->outgoing;
 }
 
diff --git a/source/libs/sync/inc/sync_raft_quorum_majority.h b/source/libs/sync/inc/sync_raft_quorum_majority.h
index 8f148873e3..0512a4dc87 100644
--- a/source/libs/sync/inc/sync_raft_quorum_majority.h
+++ b/source/libs/sync/inc/sync_raft_quorum_majority.h
@@ -26,6 +26,6 @@
  * yes/no has been reached), won (a quorum of yes has been reached), or lost (a
  * quorum of no has been reached).
  **/
-ESyncRaftVoteResult syncRaftMajorityVoteResult(SSyncCluster* config, const ESyncRaftVoteType* votes);
+ESyncRaftVoteResult syncRaftMajorityVoteResult(SSyncRaftNodeMap* config, const ESyncRaftVoteType* votes);
 
 #endif /* _TD_LIBS_SYNC_RAFT_QUORUM_MAJORITY_H */
diff --git a/source/libs/sync/src/raft.c b/source/libs/sync/src/raft.c
index f8c3d1b0d4..23351277c4 100644
--- a/source/libs/sync/src/raft.c
+++ b/source/libs/sync/src/raft.c
@@ -30,6 +30,8 @@ static int deserializeClusterStateFromBuffer(SSyncConfigState* cluster, const ch
 static void switchToConfig(SSyncRaft* pRaft, const SSyncRaftProgressTrackerConfig* config, 
                           const SSyncRaftProgressMap* progressMap, SSyncConfigState* cs);
 
+static void abortLeaderTransfer(SSyncRaft* pRaft);
+
 static bool preHandleMessage(SSyncRaft* pRaft, const SSyncMessage* pMsg);
 static bool preHandleNewTermMessage(SSyncRaft* pRaft, const SSyncMessage* pMsg);
 static bool preHandleOldTermMessage(SSyncRaft* pRaft, const SSyncMessage* pMsg);
@@ -109,38 +111,6 @@ int32_t syncRaftStart(SSyncRaft* pRaft, const SSyncInfo* pInfo) {
 
   syncRaftBecomeFollower(pRaft, pRaft->term, SYNC_NON_NODE_ID);
 
-
-#if 0
-
-
-
-
-
-  // restore fsm state from snapshot index + 1 until commitIndex
-  ++initIndex;
-  while (initIndex <= serverState.commitIndex) {
-    limit = MIN(RAFT_READ_LOG_MAX_NUM, serverState.commitIndex - initIndex + 1);
-
-    if (logStore->logRead(logStore, initIndex, limit, buffer, &nBuf) != 0) {
-      return -1;
-    }
-    assert(limit == nBuf);
-  
-    for (i = 0; i < limit; ++i) {
-      fsm->applyLog(fsm, initIndex + i, &(buffer[i]), NULL);
-      free(buffer[i].data);
-    }
-    initIndex += nBuf;
-  }
-  assert(initIndex == serverState.commitIndex);
-
-  //pRaft->heartbeatTimeoutTick = 1;
-
-  syncRaftBecomeFollower(pRaft, pRaft->term, SYNC_NON_NODE_ID);
-
-  pRaft->selfIndex = pRaft->cluster.selfIndex;
-#endif
-
   syncInfo("[%d:%d] restore vgid %d state: snapshot index success", 
     pRaft->selfGroupId, pRaft->selfId, pInfo->vgId);
   return 0;
@@ -242,12 +212,16 @@ static void switchToConfig(SSyncRaft* pRaft, const SSyncRaftProgressTrackerConfi
 
     // If the the leadTransferee was removed or demoted, abort the leadership transfer.
     SyncNodeId leadTransferee = pRaft->leadTransferee;
-    if (leadTransferee != SYNC_NON_NODE_ID) {
-
+    if (leadTransferee != SYNC_NON_NODE_ID && !syncRaftIsInNodeMap(&pRaft->tracker->config.voters, leadTransferee)) {
+      abortLeaderTransfer(pRaft);
     }
   }
 }
 
+static void abortLeaderTransfer(SSyncRaft* pRaft) {
+  pRaft->leadTransferee = SYNC_NON_NODE_ID;
+}
+
 /**
  * pre-handle message, return true means no need to continue
  * Handle the message term, which may result in our stepping down to a follower.
diff --git a/source/libs/sync/src/sync_raft_config_change.c b/source/libs/sync/src/sync_raft_config_change.c
index b80562ffa3..4e7f2190ea 100644
--- a/source/libs/sync/src/sync_raft_config_change.c
+++ b/source/libs/sync/src/sync_raft_config_change.c
@@ -26,8 +26,8 @@ static int checkInvariants(SSyncRaftProgressTrackerConfig* config, SSyncRaftProg
 static bool hasJointConfig(const SSyncRaftProgressTrackerConfig* config);
 static int applyConfig(SSyncRaftChanger* changer, SSyncRaftProgressTrackerConfig* config,
                         SSyncRaftProgressMap* progressMap, const SSyncConfChangeSingleArray* css);
-static int symDiff(const SSyncCluster* l, const SSyncCluster* r);
 
+static int symDiff(const SSyncRaftNodeMap* l, const SSyncRaftNodeMap* r);
 
 static void initProgress(SSyncRaftChanger* changer, SSyncRaftProgressTrackerConfig* config,
                        SSyncRaftProgressMap* progressMap, SyncNodeId id, bool isLearner);
@@ -237,27 +237,27 @@ static int applyConfig(SSyncRaftChanger* changer, SSyncRaftProgressTrackerConfig
 
 // symdiff returns the count of the symmetric difference between the sets of
 // uint64s, i.e. len( (l - r) \union (r - l)).
-static int symDiff(const SSyncCluster* l, const SSyncCluster* r) {
+static int symDiff(const SSyncRaftNodeMap* l, const SSyncRaftNodeMap* r) {
   int n;
   int i;
   int j0, j1;
-  const SSyncCluster* pairs[2][2] = {
+  const SSyncRaftNodeMap* pairs[2][2] = {
     {l, r}, // count elems in l but not in r
     {r, l}, // count elems in r but not in l
   };
 
   for (n = 0, i = 0; i < 2; ++i) {
-    const SSyncCluster** pp = pairs[i];
+    const SSyncRaftNodeMap** pp = pairs[i];
 
-    const SSyncCluster* p0 = pp[0];
-    const SSyncCluster* p1 = pp[1];
-    for (j0 = 0; j0 < p0->replica; ++j0) {
-      SyncNodeId id = p0->nodeInfo[j0].nodeId;
+    const SSyncRaftNodeMap* p0 = pp[0];
+    const SSyncRaftNodeMap* p1 = pp[1];
+    for (j0 = 0; j0 < TSDB_MAX_REPLICA; ++j0) {
+      SyncNodeId id = p0->nodeId[j0];
       if (id == SYNC_NON_NODE_ID) {
         continue;
       }
       for (j1 = 0; j1 < p1->replica; ++j1) {
-        if (p1->nodeInfo[j1].nodeId != SYNC_NON_NODE_ID && p1->nodeInfo[j1].nodeId != id) {
+        if (p1->nodeId[j1] != SYNC_NON_NODE_ID && p1->nodeId[j1] != id) {
           n+=1;
         }
       }
diff --git a/source/libs/sync/src/sync_raft_impl.c b/source/libs/sync/src/sync_raft_impl.c
index ba09291682..d65e03c64f 100644
--- a/source/libs/sync/src/sync_raft_impl.c
+++ b/source/libs/sync/src/sync_raft_impl.c
@@ -185,8 +185,17 @@ void syncRaftLoadState(SSyncRaft* pRaft, const SSyncServerState* serverState) {
   pRaft->voteFor = serverState->voteFor;
 }
 
-void syncRaftBroadcastAppend(SSyncRaft* pRaft) {
+static void visitProgressSendAppend(int i, SSyncRaftProgress* progress, void* arg) {
+  SSyncRaft* pRaft = (SSyncRaft*)arg;
+  if (pRaft->selfId == progress->id) {
+    return;
+  }
 
+  syncRaftReplicate(arg, progress, true);
+}
+
+void syncRaftBroadcastAppend(SSyncRaft* pRaft) {
+  syncRaftProgressVisit(pRaft->tracker, visitProgressSendAppend, pRaft);
 }
 
 static int convertClear(SSyncRaft* pRaft) {
@@ -279,6 +288,7 @@ bool syncRaftMaybeCommit(SSyncRaft* pRaft) {
  * trigger I/O requests for newly appended log entries or heartbeats.
  **/
 static int triggerAll(SSyncRaft* pRaft) {
+  #if 0
   assert(pRaft->state == TAOS_SYNC_STATE_LEADER);
   int i;
 
@@ -287,8 +297,10 @@ static int triggerAll(SSyncRaft* pRaft) {
       continue;
     }
 
-    syncRaftReplicate(pRaft, i);
+    syncRaftReplicate(pRaft, pRaft->tracker->progressMap.progress[i], true);
   }
+  #endif
+  return 0;
 }
 
 static void abortLeaderTransfer(SSyncRaft* pRaft) {
diff --git a/source/libs/sync/src/sync_raft_quorum_joint.c b/source/libs/sync/src/sync_raft_quorum_joint.c
index 9a8e9eb7ba..fa663b6fc3 100644
--- a/source/libs/sync/src/sync_raft_quorum_joint.c
+++ b/source/libs/sync/src/sync_raft_quorum_joint.c
@@ -44,16 +44,16 @@ void syncRaftJointConfigAddToIncoming(SSyncRaftQuorumJointConfig* config, SyncNo
   int i, min;
 
   for (i = 0, min = -1; i < TSDB_MAX_REPLICA; ++i) {
-    if (config->incoming.nodeInfo[i].nodeId == id) {
+    if (config->incoming.nodeId[i] == id) {
       return;
     }
-    if (min == -1 && config->incoming.nodeInfo[i].nodeId == SYNC_NON_NODE_ID) {
+    if (min == -1 && config->incoming.nodeId[i] == SYNC_NON_NODE_ID) {
       min = i;
     }
   }
 
   assert(min != -1);
-  config->incoming.nodeInfo[min].nodeId = id;
+  config->incoming.nodeId[min] = id;
   config->incoming.replica += 1;
 }
 
@@ -61,12 +61,25 @@ void syncRaftJointConfigRemoveFromIncoming(SSyncRaftQuorumJointConfig* config, S
   int i;
 
   for (i = 0; i < TSDB_MAX_REPLICA; ++i) {
-    if (config->incoming.nodeInfo[i].nodeId == id) {
+    if (config->incoming.nodeId[i] == id) {
       config->incoming.replica  -= 1;
-      config->incoming.nodeInfo[i].nodeId = SYNC_NON_NODE_ID;
+      config->incoming.nodeId[i] = SYNC_NON_NODE_ID;
       break;
     }
   }
 
   assert(config->incoming.replica >= 0);
+}
+
+
+bool syncRaftIsInNodeMap(const SSyncRaftNodeMap* nodeMap, SyncNodeId nodeId) {
+  int i;
+
+  for (i = 0; i < TSDB_MAX_REPLICA; ++i) {
+    if (nodeId == nodeMap->nodeId[i]) {
+      return true;
+    }
+  }
+
+  return false;
 }
\ No newline at end of file
diff --git a/source/libs/sync/src/sync_raft_quorum_majority.c b/source/libs/sync/src/sync_raft_quorum_majority.c
index 0361845414..73eb378e09 100644
--- a/source/libs/sync/src/sync_raft_quorum_majority.c
+++ b/source/libs/sync/src/sync_raft_quorum_majority.c
@@ -22,14 +22,14 @@
  * yes/no has been reached), won (a quorum of yes has been reached), or lost (a
  * quorum of no has been reached).
  **/
-ESyncRaftVoteResult syncRaftMajorityVoteResult(SSyncCluster* config, const ESyncRaftVoteType* votes) {
+ESyncRaftVoteResult syncRaftMajorityVoteResult(SSyncRaftNodeMap* config, const ESyncRaftVoteType* votes) {
   if (config->replica == 0) {
     return SYNC_RAFT_VOTE_WON;
   }
 
   int i, g, r, missing;
   for (i = g = r = missing = 0; i < TSDB_MAX_REPLICA; ++i) {
-    if (config->nodeInfo[i].nodeId == SYNC_NON_NODE_ID) {
+    if (config->nodeId[i] == SYNC_NON_NODE_ID) {
       continue;
     }