diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 24a614800e..4aca1ea228 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -190,7 +190,7 @@ static int32_t  doMergeRowsInLastBlock(SLastBlockReader* pLastBlockReader, STabl
 static int32_t  doMergeRowsInBuf(SIterInfo* pIter, uint64_t uid, int64_t ts, SArray* pDelList, SRowMerger* pMerger,
                                  STsdbReader* pReader);
 static int32_t  doAppendRowFromTSRow(SSDataBlock* pBlock, STsdbReader* pReader, STSRow* pTSRow,
-                                     STableBlockScanInfo* pInfo);
+                                     STableBlockScanInfo* pScanInfo);
 static int32_t  doAppendRowFromFileBlock(SSDataBlock* pResBlock, STsdbReader* pReader, SBlockData* pBlockData,
                                          int32_t rowIndex);
 static void     setComposedBlockFlag(STsdbReader* pReader, bool composed);
@@ -2482,6 +2482,8 @@ static int32_t buildComposedDataBlock(STsdbReader* pReader) {
 
           int32_t nextIndex = -1;
           SBlockIndex bIndex = {0};
+          pBlockInfo = getCurrentBlockInfo(&pReader->status.blockIter);  // NOTE: get the new block info
+
           bool hasNeighbor = getNeighborBlockOfSameTable(pBlockInfo, pBlockScanInfo, &nextIndex, pReader->order, &bIndex);
           if (!hasNeighbor) {  // do nothing
             setBlockAllDumped(pDumpInfo, pBlock->maxKey.ts, pReader->order);
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 9d749d8e58..f1aa9312c6 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -1294,10 +1294,6 @@ void syncNodeClose(SSyncNode* pSyncNode) {
   syncNodeStopElectTimer(pSyncNode);
   syncNodeStopHeartbeatTimer(pSyncNode);
 
-  if (pSyncNode->pFsm != NULL) {
-    taosMemoryFree(pSyncNode->pFsm);
-  }
-
   for (int32_t i = 0; i < TSDB_MAX_REPLICA; ++i) {
     if ((pSyncNode->senders)[i] != NULL) {
       sSTrace((pSyncNode->senders)[i], "snapshot sender destroy while close, data:%p", (pSyncNode->senders)[i]);
@@ -1320,6 +1316,10 @@ void syncNodeClose(SSyncNode* pSyncNode) {
     pSyncNode->pNewNodeReceiver = NULL;
   }
 
+  if (pSyncNode->pFsm != NULL) {
+    taosMemoryFree(pSyncNode->pFsm);
+  }
+
   taosMemoryFree(pSyncNode);
 }
 
diff --git a/source/libs/sync/src/syncSnapshot.c b/source/libs/sync/src/syncSnapshot.c
index 8d70404032..30324c1113 100644
--- a/source/libs/sync/src/syncSnapshot.c
+++ b/source/libs/sync/src/syncSnapshot.c
@@ -122,15 +122,16 @@ int32_t snapshotSenderStart(SSyncSnapshotSender *pSender) {
   pMsg->startTime = pSender->startTime;
   pMsg->seq = SYNC_SNAPSHOT_SEQ_PRE_SNAPSHOT;
 
+  // event log
+  sSDebug(pSender, "snapshot sender start");
+  syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender start");
+
   // send msg
   if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
     sSError(pSender, "snapshot sender send msg failed since %s", terrstr());
     return -1;
   }
 
-  // event log
-  sSDebug(pSender, "snapshot sender start");
-  syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender start");
   return 0;
 }
 
@@ -208,14 +209,6 @@ int32_t snapshotSend(SSyncSnapshotSender *pSender) {
     memcpy(pMsg->data, pSender->pCurrentBlock, pSender->blockLen);
   }
 
-  // send msg
-  if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
-    sSError(pSender, "snapshot sender send msg failed since %s", terrstr());
-    return -1;
-  }
-
-  pSender->lastSendTime = taosGetTimestampMs();
-
   // event log
   if (pSender->seq == SYNC_SNAPSHOT_SEQ_END) {
     sSDebug(pSender, "snapshot sender finish, seq:%d", pSender->seq);
@@ -224,6 +217,14 @@ int32_t snapshotSend(SSyncSnapshotSender *pSender) {
     sSDebug(pSender, "snapshot sender sending, seq:%d", pSender->seq);
     syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender sending");
   }
+
+  // send msg
+  if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
+    sSError(pSender, "snapshot sender send msg failed since %s", terrstr());
+    return -1;
+  }
+
+  pSender->lastSendTime = taosGetTimestampMs();
   return 0;
 }
 
@@ -252,6 +253,10 @@ int32_t snapshotReSend(SSyncSnapshotSender *pSender) {
     memcpy(pMsg->data, pSender->pCurrentBlock, pSender->blockLen);
   }
 
+  // event log
+  sSDebug(pSender, "snapshot sender resend, seq:%d", pSender->seq);
+  syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender resend");
+
   // send msg
   if (syncNodeSendMsgById(&pMsg->destId, pSender->pSyncNode, &rpcMsg) != 0) {
     sSError(pSender, "snapshot sender resend msg failed since %s", terrstr());
@@ -259,10 +264,6 @@ int32_t snapshotReSend(SSyncSnapshotSender *pSender) {
   }
 
   pSender->lastSendTime = taosGetTimestampMs();
-
-  // event log
-  sSDebug(pSender, "snapshot sender resend, seq:%d", pSender->seq);
-  syncLogSendSyncSnapshotSend(pSender->pSyncNode, pMsg, "snapshot sender resend");
   return 0;
 }
 
@@ -748,6 +749,7 @@ static int32_t syncNodeOnSnapshotTransfering(SSyncNode *pSyncNode, SyncSnapshotS
     sRError(pReceiver, "snapshot receiver send resp failed since %s", terrstr());
     return -1;
   }
+
   return 0;
 }