diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 9d77c9badd3d70f8f1d9ab447ffce25fa4737301..d4476802aef69ec01fbf3d5dfce5f541b00f0488 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -513,6 +513,7 @@ typedef struct SFillOperatorInfo {
   void**            p;
   SSDataBlock*      existNewGroupBlock;
   bool              multigroupResult;
+  STimeWindow       win;
 } SFillOperatorInfo;
 
 typedef struct SGroupbyOperatorInfo {
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 25b61e15c3e87954c9eb6ac7794f76b470b5fcf3..9f7ba8c86cc373ee59276a7087ca43eb6c2bdcc4 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -3326,7 +3326,7 @@ static void doHandleRemainBlockForNewGroupImpl(SFillOperatorInfo* pInfo, SResult
                                                SExecTaskInfo* pTaskInfo) {
   pInfo->totalInputRows = pInfo->existNewGroupBlock->info.rows;
 
-  int64_t ekey = Q_STATUS_EQUAL(pTaskInfo->status, TASK_COMPLETED) ? pTaskInfo->window.ekey
+  int64_t ekey = Q_STATUS_EQUAL(pTaskInfo->status, TASK_COMPLETED) ? pInfo->win.ekey
                                                                    : pInfo->existNewGroupBlock->info.window.ekey;
   taosResetFillInfo(pInfo->pFillInfo, getFillInfoStart(pInfo->pFillInfo));
 
@@ -3387,7 +3387,7 @@ static SSDataBlock* doFill(SOperatorInfo* pOperator) {
 
       // Fill the previous group data block, before handle the data block of new group.
       // Close the fill operation for previous group data block
-      taosFillSetStartInfo(pInfo->pFillInfo, 0, pTaskInfo->window.ekey);
+      taosFillSetStartInfo(pInfo->pFillInfo, 0, pInfo->win.ekey);
     } else {
       if (pBlock == NULL) {
         if (pInfo->totalInputRows == 0) {
@@ -3395,7 +3395,7 @@ static SSDataBlock* doFill(SOperatorInfo* pOperator) {
           return NULL;
         }
 
-        taosFillSetStartInfo(pInfo->pFillInfo, 0, pTaskInfo->window.ekey);
+        taosFillSetStartInfo(pInfo->pFillInfo, 0, pInfo->win.ekey);
       } else {
         pInfo->totalInputRows += pBlock->info.rows;
         taosFillSetStartInfo(pInfo->pFillInfo, pBlock->info.rows, pBlock->info.window.ekey);
@@ -3910,7 +3910,8 @@ static int32_t initFillInfo(SFillOperatorInfo* pInfo, SExprInfo* pExpr, int32_t
   int32_t order = TSDB_ORDER_ASC;
   pInfo->pFillInfo = taosCreateFillInfo(order, w.skey, 0, capacity, numOfCols, pInterval, fillType, pColInfo, id);
 
-  pInfo->p = taosMemoryCalloc(numOfCols, POINTER_BYTES);
+  pInfo->win = win;
+  pInfo->p   = taosMemoryCalloc(numOfCols, POINTER_BYTES);
   if (pInfo->pFillInfo == NULL || pInfo->p == NULL) {
     taosMemoryFree(pInfo->pFillInfo);
     taosMemoryFree(pInfo->p);