diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 4c86a46b6cef91efda56ce86324918c16ff24a4b..978bef1607bdf0b3b939b9c5bcc2d3f46feaf7fa 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -842,30 +842,10 @@ static void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindo
 }
 
 static STimeWindow doCalculateTimeWindow(int64_t ts, SInterval* pInterval) {
-  STimeWindow  w =  {0};
-
-  if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-    w.skey = taosTimeTruncate(ts, pInterval, pInterval->precision);
-    w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
-  } else {
-    int64_t st = w.skey;
-    if (pInterval->offset > 0) {
-      st = taosTimeAdd(st, pInterval->offset, pInterval->offsetUnit, pInterval->precision);
-    }
-
-    if (st > ts) {
-      st -= ((st - ts + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-    }
-
-    int64_t et = st + pInterval->interval - 1;
-    if (et < ts) {
-      st += ((ts - et + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-    }
-
-    w.skey = st;
-    w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
-  }
+  STimeWindow w = {0};
 
+  w.skey = taosTimeTruncate(ts, pInterval, pInterval->precision);
+  w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
   return w;
 }
 
diff --git a/source/libs/executor/src/tfill.c b/source/libs/executor/src/tfill.c
index 550938140e797acc2cf163d8d87e08fa0b69825e..31c079e55f908727981b0a07be41ec3cadc26a69 100644
--- a/source/libs/executor/src/tfill.c
+++ b/source/libs/executor/src/tfill.c
@@ -544,8 +544,9 @@ bool taosFillHasMoreResults(SFillInfo* pFillInfo) {
     return true;
   }
 
-  if (pFillInfo->numOfTotal > 0 && (((pFillInfo->end > pFillInfo->start) && FILL_IS_ASC_FILL(pFillInfo)) ||
-                                    (pFillInfo->end < pFillInfo->start && !FILL_IS_ASC_FILL(pFillInfo)))) {
+  bool ascFill = FILL_IS_ASC_FILL(pFillInfo);
+  if (pFillInfo->numOfTotal > 0 &&
+      (((pFillInfo->end > pFillInfo->start) && ascFill) || (pFillInfo->end < pFillInfo->start && !ascFill))) {
     return getNumOfResultsAfterFillGap(pFillInfo, pFillInfo->end, 4096) > 0;
   }