diff --git a/source/libs/executor/src/streamtimewindowoperator.c b/source/libs/executor/src/streamtimewindowoperator.c
index 8870a5b1c4..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 {