diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index f17d7f6468e25ca7265b405506e4e0521aed3c74..7100be58e36baf851bc16b03f195e255a7fdc5e0 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -536,6 +536,7 @@ typedef struct SStreamIntervalOperatorInfo {
   SArray*            pChildren;
   SStreamState*      pState;
   SWinKey            delKey;
+  uint64_t           numOfDatapack;
 } SStreamIntervalOperatorInfo;
 
 typedef struct SDataGroupInfo {
diff --git a/source/libs/executor/src/filloperator.c b/source/libs/executor/src/filloperator.c
index e26bfe98898d217f57bc238a53912e8444e15076..5ed26f627a26736d21e478ea79fec0543b45df27 100644
--- a/source/libs/executor/src/filloperator.c
+++ b/source/libs/executor/src/filloperator.c
@@ -1146,7 +1146,7 @@ static void doDeleteFillResult(SOperatorInfo* pOperator) {
       if (delTs > nextKey.ts) {
         break;
       }
-      endTs = delTs;
+
       SWinKey delKey = {.groupId = delGroupId, .ts = delTs};
       if (delTs == nextKey.ts) {
         code = streamStateCurNext(pOperator->pTaskInfo->streamInfo.pState, pCur);
@@ -1159,7 +1159,7 @@ static void doDeleteFillResult(SOperatorInfo* pOperator) {
           streamStateFreeCur(pCur);
           pCur = streamStateGetAndCheckCur(pOperator->pTaskInfo->streamInfo.pState, &nextKey);
         }
-        endTs = TMAX(ts, nextKey.ts - 1);
+        endTs = TMAX(delTs, nextKey.ts - 1);
         if (code != TSDB_CODE_SUCCESS) {
           break;
         }
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index b6353061fb484a5b4910a278e4aa0f38dc60f999..7f0dec1959031dba37a078f519d5d7f31b62cece 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -1113,7 +1113,7 @@ static STimeWindow getSlidingWindow(TSKEY* startTsCol, TSKEY* endTsCol, uint64_t
     if (hasGroup) {
       (*pRowIndex) += 1;
     } else {
-      while ((groupId == gpIdCol[(*pRowIndex)] && startTsCol[*pRowIndex] < endWin.ekey)) {
+      while ((groupId == gpIdCol[(*pRowIndex)] && startTsCol[*pRowIndex] <= endWin.ekey)) {
         (*pRowIndex) += 1;
         if ((*pRowIndex) == pDataBlockInfo->rows) {
           break;
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index f2c2e24a41ede56491d45691f82149c191cc0492..5cf0d3111732c668c367b073c9a0cbff40e35644 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -2516,9 +2516,11 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
     SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
     if (pBlock == NULL) {
       pOperator->status = OP_RES_TO_RETURN;
-      qDebug("%s return data", IS_FINAL_OP(pInfo) ? "interval final" : "interval semi");
+      qDebug("===stream===return data:%s. recv datablock num:%" PRIu64 , IS_FINAL_OP(pInfo) ? "interval final" : "interval semi", pInfo->numOfDatapack);
+      pInfo->numOfDatapack = 0;
       break;
     }
+    pInfo->numOfDatapack++;
     printDataBlock(pBlock, IS_FINAL_OP(pInfo) ? "interval final recv" : "interval semi recv");
 
     ASSERT(pBlock->info.type != STREAM_INVERT);
@@ -2734,6 +2736,7 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
   pInfo->pDelWins = taosArrayInit(4, sizeof(SWinKey));
   pInfo->delKey.ts = INT64_MAX;
   pInfo->delKey.groupId = 0;
+  pInfo->numOfDatapack = 0;
 
   pOperator->operatorType = pPhyNode->type;
   pOperator->blocking = true;
@@ -4700,8 +4703,11 @@ static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
   while (1) {
     SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
     if (pBlock == NULL) {
+      qDebug("===stream===return data:single interval. recv datablock num:%" PRIu64, pInfo->numOfDatapack);
+      pInfo->numOfDatapack = 0;
       break;
     }
+    pInfo->numOfDatapack++;
     printDataBlock(pBlock, "single interval recv");
 
     if (pBlock->info.type == STREAM_DELETE_DATA || pBlock->info.type == STREAM_DELETE_RESULT ||
@@ -4851,6 +4857,7 @@ SOperatorInfo* createStreamIntervalOperatorInfo(SOperatorInfo* downstream, SPhys
   pInfo->pChildren = NULL;
   pInfo->delKey.ts = INT64_MAX;
   pInfo->delKey.groupId = 0;
+  pInfo->numOfDatapack = 0;
 
   setOperatorInfo(pOperator, "StreamIntervalOperator", QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL, true, OP_NOT_OPENED,
                   pInfo, pTaskInfo);