diff --git a/source/libs/executor/src/streamtimewindowoperator.c b/source/libs/executor/src/streamtimewindowoperator.c
index 8c591702c1..919b6545dc 100644
--- a/source/libs/executor/src/streamtimewindowoperator.c
+++ b/source/libs/executor/src/streamtimewindowoperator.c
@@ -28,6 +28,7 @@
 #include "ttime.h"
 
 #define IS_FINAL_INTERVAL_OP(op)           ((op)->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_INTERVAL)
+#define IS_MID_INTERVAL_OP(op)             ((op)->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_MID_INTERVAL)
 #define IS_FINAL_SESSION_OP(op)            ((op)->operatorType == QUERY_NODE_PHYSICAL_PLAN_STREAM_FINAL_SESSION)
 #define DEAULT_DELETE_MARK                 INT64_MAX
 #define STREAM_INTERVAL_OP_STATE_NAME      "StreamIntervalHistoryState"
@@ -237,7 +238,7 @@ static void doDeleteWindows(SOperatorInfo* pOperator, SInterval* pInterval, SSDa
     dumyInfo.cur.pageId = -1;
 
     STimeWindow win = {0};
-    if (IS_FINAL_INTERVAL_OP(pOperator)) {
+    if (IS_FINAL_INTERVAL_OP(pOperator) || IS_MID_INTERVAL_OP(pOperator)) {
       win.skey = startTsCols[i];
       win.ekey = endTsCols[i];
     } else {
@@ -4113,8 +4114,7 @@ static void doStreamMidIntervalAggImpl(SOperatorInfo* pOperator, SSDataBlock* pS
   STimeWindow nextWin = getFinalTimeWindow(ts, &pInfo->interval);
 
   while (1) {
-    bool isClosed = isCloseWindow(&nextWin, &pInfo->twAggSup);
-    if ((pInfo->ignoreExpiredData && isClosed) || !inSlidingWindow(&pInfo->interval, &nextWin, &pSDataBlock->info)) {
+    if (!inSlidingWindow(&pInfo->interval, &nextWin, &pSDataBlock->info)) {
       startPos = getNexWindowPos(&pInfo->interval, &pSDataBlock->info, tsCol, startPos, nextWin.ekey, &nextWin);
       if (startPos < 0) {
         break;