diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index a70a04f23d..5fc550da32 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -1204,11 +1204,11 @@ int32_t tqProcessTaskCheckPointSourceReq(STQ* pTq, SRpcMsg* pMsg, SRpcMsg* pRsp)
   }
 
   if (req.mndTrigger) {
-    qInfo("s-task:%s (vgId:%d) level:%d receive checkpoint-source msg chkpt:%" PRId64 ", transId:%d, ", pTask->id.idStr,
+    tqInfo("s-task:%s (vgId:%d) level:%d receive checkpoint-source msg chkpt:%" PRId64 ", transId:%d, ", pTask->id.idStr,
           vgId, pTask->info.taskLevel, req.checkpointId, req.transId);
   } else {
     const char* pPrevStatus = streamTaskGetStatusStr(streamTaskGetPrevStatus(pTask));
-    qInfo("s-task:%s (vgId:%d) level:%d receive checkpoint-source msg chkpt:%" PRId64
+    tqInfo("s-task:%s (vgId:%d) level:%d receive checkpoint-source msg chkpt:%" PRId64
           ", transId:%d after transfer-state, prev status:%s",
           pTask->id.idStr, vgId, pTask->info.taskLevel, req.checkpointId, req.transId, pPrevStatus);
   }
diff --git a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
index 3d8843ae28..f1a6ef8414 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
@@ -901,6 +901,7 @@ int32_t tLDataIterNextRow(SLDataIter *pIter, const char *idStr, bool* hasNext) {
   pIter->rInfo.row = tsdbRowFromBlockData(pBlockData, pIter->iRow);
 
 _exit:
+  tsdbError("failed to exec stt-file nextIter, lino:%d, code:%s, %s", lino, tstrerror(code), idStr);
   *hasNext = (code == TSDB_CODE_SUCCESS) && (pIter->pSttBlk != NULL) && (pBlockData != NULL);
   return code;
 }
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index a9976760b6..b6be1d04ca 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -1260,7 +1260,9 @@ void streamMetaUpdateStageRole(SStreamMeta* pMeta, int64_t stage, bool isLeader)
   pMeta->stage = stage;
 
   // mark the sign to send msg before close all tasks
-  if ((!isLeader) && (pMeta->role == NODE_ROLE_LEADER)) {
+  // 1. for leader vnode, always send msg before closing
+  // 2. for follower vnode, if it's is changed from leader, also sending msg before closing.
+  if (pMeta->role == NODE_ROLE_LEADER) {
     pMeta->sendMsgBeforeClosing = true;
   }