diff --git a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
index 0b86cae1be..ba0c5697c0 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
@@ -429,7 +429,7 @@ static int32_t doLoadSttFilesBlk(SSttBlockLoadInfo *pBlockLoadInfo, SLDataIter *
   code = loadTombFn(pReader1, pIter->pReader, pIter->pBlockLoadInfo);
 
   double el = (taosGetTimestampUs() - st) / 1000.0;
-  tsdbDebug("load the stt file info completed, elapsed time:%.2fms, %s", el, idStr);
+  tsdbDebug("load the stt file blk info completed, elapsed time:%.2fms, %s", el, idStr);
   return code;
 }
 
@@ -806,7 +806,7 @@ int32_t tMergeTreeOpen2(SMergeTree *pMTree, SMergeTreeConf *pConf, SSttDataInfoF
         tMergeTreeAddIter(pMTree, pIter);
 
         // let's record the time window for current table of uid in the stt files
-        if (pSttDataInfo != NULL) {
+        if (pSttDataInfo != NULL && numOfRows > 0) {
           taosArrayPush(pSttDataInfo->pTimeWindowList, &w);
           pSttDataInfo->numOfRows += numOfRows;
         }
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index c0ad32d269..69f4f82459 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -2093,7 +2093,7 @@ static bool initSttBlockReader(SSttBlockReader* pSttBlockReader, STableBlockScan
       pScanInfo->sttKeyInfo.status = taosArrayGetSize(info.pTimeWindowList) ? STT_FILE_HAS_DATA : STT_FILE_NO_DATA;
       pScanInfo->sttKeyInfo.nextProcKey =
           ASCENDING_TRAVERSE(pReader->info.order) ? pScanInfo->sttWindow.skey : pScanInfo->sttWindow.ekey;
-      hasData = true;
+      hasData = (pScanInfo->sttKeyInfo.status == STT_FILE_HAS_DATA);
     } else {  // not clean stt blocks
       INIT_TIMEWINDOW(&pScanInfo->sttWindow);  //reset the time window
       pScanInfo->sttBlockReturned = false;