diff --git a/include/common/ttime.h b/include/common/ttime.h
index eaf44c2771..69a071d59f 100644
--- a/include/common/ttime.h
+++ b/include/common/ttime.h
@@ -74,7 +74,7 @@ static FORCE_INLINE int64_t taosGetTimestampToday(int32_t precision) {
 
 int64_t taosTimeAdd(int64_t t, int64_t duration, char unit, int32_t precision);
 
-int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precision);
+int64_t taosTimeTruncate(int64_t ts, const SInterval* pInterval);
 int32_t taosTimeCountInterval(int64_t skey, int64_t ekey, int64_t interval, char unit, int32_t precision);
 
 int32_t parseAbsoluteDuration(const char* token, int32_t tokenlen, int64_t* ts, char* unit, int32_t timePrecision);
diff --git a/include/libs/executor/executor.h b/include/libs/executor/executor.h
index 63e1c556de..382837951a 100644
--- a/include/libs/executor/executor.h
+++ b/include/libs/executor/executor.h
@@ -178,7 +178,9 @@ int32_t qSerializeTaskStatus(qTaskInfo_t tinfo, char** pOutput, int32_t* len);
 
 int32_t qDeserializeTaskStatus(qTaskInfo_t tinfo, const char* pInput, int32_t len);
 
-STimeWindow getAlignQueryTimeWindow(SInterval* pInterval, int32_t precision, int64_t key);
+void getNextTimeWindow(const SInterval* pInterval, STimeWindow* tw, int32_t order);
+void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindow* w, bool ascQuery);
+STimeWindow getAlignQueryTimeWindow(const SInterval* pInterval, int64_t key);
 /**
  * return the scan info, in the form of tuple of two items, including table uid and current timestamp
  * @param tinfo
diff --git a/source/common/src/ttime.c b/source/common/src/ttime.c
index 559ffd2aaf..bbb58cc63d 100644
--- a/source/common/src/ttime.c
+++ b/source/common/src/ttime.c
@@ -82,6 +82,7 @@ static int32_t parseLocaltime(char* timestr, int32_t len, int64_t* utime, int32_
 static int32_t parseLocaltimeDst(char* timestr, int32_t len, int64_t* utime, int32_t timePrec, char delim);
 static char*   forwardToTimeStringEnd(char* str);
 static bool    checkTzPresent(const char* str, int32_t len);
+static int32_t parseTimezone(char* str, int64_t* tzOffset);
 
 static int32_t (*parseLocaltimeFp[])(char* timestr, int32_t len, int64_t* utime, int32_t timePrec, char delim) = {
     parseLocaltime, parseLocaltimeDst};
@@ -708,21 +709,19 @@ int32_t parseNatualDuration(const char* token, int32_t tokenLen, int64_t* durati
   return getDuration(*duration, *unit, duration, timePrecision);
 }
 
+#define IS_CALENDAR_TIME_DURATION(_d) (((_d) == 'n') || ((_d) == 'y'))
+
 int64_t taosTimeAdd(int64_t t, int64_t duration, char unit, int32_t precision) {
   if (duration == 0) {
     return t;
   }
 
-  if (unit != 'n' && unit != 'y') {
+  if (!IS_CALENDAR_TIME_DURATION(unit)) {
     return t + duration;
   }
 
   // The following code handles the y/n time duration
-  int64_t numOfMonth = duration;
-  if (unit == 'y') {
-    numOfMonth *= 12;
-  }
-
+  int64_t numOfMonth = (unit == 'y')? duration*12:duration;
   int64_t fraction = t % TSDB_TICK_PER_SECOND(precision);
 
   struct tm tm;
@@ -764,13 +763,16 @@ int32_t taosTimeCountInterval(int64_t skey, int64_t ekey, int64_t interval, char
   return (emon - smon) / (int32_t)interval;
 }
 
-int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precision) {
+int64_t taosTimeTruncate(int64_t ts, const SInterval* pInterval) {
   if (pInterval->sliding == 0 && pInterval->interval == 0) {
-    return t;
+    return ts;
   }
 
-  int64_t start = t;
-  if (pInterval->slidingUnit == 'n' || pInterval->slidingUnit == 'y') {
+  int64_t start = ts;
+  int32_t precision = pInterval->precision;
+
+  if (IS_CALENDAR_TIME_DURATION(pInterval->slidingUnit)) {
+
     start /= (int64_t)(TSDB_TICK_PER_SECOND(precision));
     struct tm tm;
     time_t    tt = (time_t)start;
@@ -792,44 +794,72 @@ int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precisio
 
     start = (int64_t)(taosMktime(&tm) * TSDB_TICK_PER_SECOND(precision));
   } else {
-    int64_t delta = t - pInterval->interval;
-    int32_t factor = (delta >= 0) ? 1 : -1;
+    if (IS_CALENDAR_TIME_DURATION(pInterval->intervalUnit)) {
+      int64_t news = (ts / pInterval->sliding) * pInterval->sliding;
+      ASSERT(news <= ts);
 
-    start = (delta / pInterval->sliding + factor) * pInterval->sliding;
+      if (news <= ts) {
+        int64_t prev = news;
+        int64_t newe = taosTimeAdd(news, pInterval->interval, pInterval->intervalUnit, precision) - 1;
 
-    if (pInterval->intervalUnit == 'd' || pInterval->intervalUnit == 'w') {
-      /*
-       * here we revised the start time of day according to the local time zone,
-       * but in case of DST, the start time of one day need to be dynamically decided.
-       */
-      // todo refactor to extract function that is available for Linux/Windows/Mac platform
-#if defined(WINDOWS) && _MSC_VER >= 1900
-      // see https://docs.microsoft.com/en-us/cpp/c-runtime-library/daylight-dstbias-timezone-and-tzname?view=vs-2019
-      int64_t timezone = _timezone;
-      int32_t daylight = _daylight;
-      char**  tzname = _tzname;
-#endif
+        if (newe < ts) {  // move towards the greater endpoint
+          while(newe < ts && news < ts) {
+            news += pInterval->sliding;
+            newe = taosTimeAdd(news, pInterval->interval, pInterval->intervalUnit, precision) - 1;
+          }
 
-      start += (int64_t)(timezone * TSDB_TICK_PER_SECOND(precision));
-    }
-
-    int64_t end = 0;
-
-    // not enough time range
-    if (start < 0 || INT64_MAX - start > pInterval->interval - 1) {
-      end = taosTimeAdd(start, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-      while (end < t) {  // move forward to the correct time window
-        start += pInterval->sliding;
-
-        if (start < 0 || INT64_MAX - start > pInterval->interval - 1) {
-          end = start + pInterval->interval - 1;
+          prev = news;
         } else {
-          end = INT64_MAX;
-          break;
+          while (newe >= ts) {
+            prev = news;
+            news -= pInterval->sliding;
+            newe = taosTimeAdd(news, pInterval->interval, pInterval->intervalUnit, precision) - 1;
+          }
         }
+
+        return prev;
       }
     } else {
-      end = INT64_MAX;
+      int64_t delta = ts - pInterval->interval;
+      int32_t factor = (delta >= 0) ? 1 : -1;
+
+      start = (delta / pInterval->sliding + factor) * pInterval->sliding;
+
+      if (pInterval->intervalUnit == 'd' || pInterval->intervalUnit == 'w') {
+        /*
+         * here we revised the start time of day according to the local time zone,
+         * but in case of DST, the start time of one day need to be dynamically decided.
+         */
+        // todo refactor to extract function that is available for Linux/Windows/Mac platform
+#if defined(WINDOWS) && _MSC_VER >= 1900
+        // see
+        // https://docs.microsoft.com/en-us/cpp/c-runtime-library/daylight-dstbias-timezone-and-tzname?view=vs-2019
+        int64_t timezone = _timezone;
+        int32_t daylight = _daylight;
+        char**  tzname = _tzname;
+#endif
+
+        start += (int64_t)(timezone * TSDB_TICK_PER_SECOND(precision));
+      }
+
+      int64_t end = 0;
+
+      // not enough time range
+      if (start < 0 || INT64_MAX - start > pInterval->interval - 1) {
+        end = taosTimeAdd(start, pInterval->interval, pInterval->intervalUnit, precision) - 1;
+        while (end < ts) {  // move forward to the correct time window
+          start += pInterval->sliding;
+
+          if (start < 0 || INT64_MAX - start > pInterval->interval - 1) {
+            end = start + pInterval->interval - 1;
+          } else {
+            end = INT64_MAX;
+            break;
+          }
+        }
+      } else {
+        end = INT64_MAX;
+      }
     }
   }
 
@@ -842,7 +872,7 @@ int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precisio
     int64_t end = taosTimeAdd(start, pInterval->interval, pInterval->intervalUnit, precision) - 1;
 
     int64_t newEnd = end;
-    while (newEnd >= t) {
+    while (newEnd >= ts) {
       end = newEnd;
       newEnd = taosTimeAdd(newEnd, -pInterval->sliding, pInterval->slidingUnit, precision);
     }
diff --git a/source/libs/executor/inc/executil.h b/source/libs/executor/inc/executil.h
index f99c7de93d..20f43deaa3 100644
--- a/source/libs/executor/inc/executil.h
+++ b/source/libs/executor/inc/executil.h
@@ -164,4 +164,7 @@ int32_t isQualifiedTable(STableKeyInfo* info, SNode* pTagCond, void* metaHandle,
 
 void printDataBlock(SSDataBlock* pBlock, const char* flag);
 
+void getNextTimeWindow(const SInterval* pInterval, STimeWindow* tw, int32_t order);
+void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindow* w, bool ascQuery);
+
 #endif  // TDENGINE_QUERYUTIL_H
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 999a7965fb..1850cd007f 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -854,7 +854,6 @@ int32_t setOutputBuf(SStreamState* pState, STimeWindow* win, SResultRow** pResul
                      SqlFunctionCtx* pCtx, int32_t numOfOutput, int32_t* rowEntryInfoOffset, SAggSupporter* pAggSup);
 int32_t releaseOutputBuf(SStreamState* pState, SWinKey* pKey, SResultRow* pResult);
 int32_t saveOutputBuf(SStreamState* pState, SWinKey* pKey, SResultRow* pResult, int32_t resSize);
-void    getNextIntervalWindow(SInterval* pInterval, STimeWindow* tw, int32_t order);
 int32_t qAppendTaskStopInfo(SExecTaskInfo* pTaskInfo, SExchangeOpStopInfo* pInfo);
 int32_t getForwardStepsInBlock(int32_t numOfRows, __block_search_fn_t searchFn, TSKEY ekey, int32_t pos,
                                             int32_t order, int64_t* pData);
diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 040e67713d..53947e85e7 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -1686,12 +1686,12 @@ int32_t convertFillType(int32_t mode) {
   return type;
 }
 
-static void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindow* w, bool ascQuery) {
+void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindow* w, bool ascQuery) {
   if (ascQuery) {
-    *w = getAlignQueryTimeWindow(pInterval, pInterval->precision, ts);
+    *w = getAlignQueryTimeWindow(pInterval, ts);
   } else {
     // the start position of the first time window in the endpoint that spreads beyond the queried last timestamp
-    *w = getAlignQueryTimeWindow(pInterval, pInterval->precision, ts);
+    *w = getAlignQueryTimeWindow(pInterval, ts);
 
     int64_t key = w->skey;
     while (key < ts) {  // moving towards end
@@ -1708,7 +1708,7 @@ static void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindo
 static STimeWindow doCalculateTimeWindow(int64_t ts, SInterval* pInterval) {
   STimeWindow w = {0};
 
-  w.skey = taosTimeTruncate(ts, pInterval, pInterval->precision);
+  w.skey = taosTimeTruncate(ts, pInterval);
   w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
   return w;
 }
@@ -1742,6 +1742,7 @@ STimeWindow getActiveTimeWindow(SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowI
   if (pRow) {
     w = pRow->win;
   }
+
   // in case of typical time window, we can calculate time window directly.
   if (w.skey > ts || w.ekey < ts) {
     w = doCalculateTimeWindow(ts, pInterval);
@@ -1756,6 +1757,34 @@ STimeWindow getActiveTimeWindow(SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowI
   return w;
 }
 
+void getNextTimeWindow(const SInterval* pInterval, STimeWindow* tw, int32_t order) {
+  int32_t factor = GET_FORWARD_DIRECTION_FACTOR(order);
+  if (pInterval->sliding != 'n' && pInterval->sliding != 'y') {
+    tw->skey += pInterval->sliding * factor;
+    tw->ekey = taosTimeAdd(tw->skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
+    return;
+  }
+
+  // convert key to second
+  int64_t key = convertTimePrecision(tw->skey, pInterval->precision, TSDB_TIME_PRECISION_MILLI) / 1000;
+
+  int64_t duration = pInterval->sliding;
+  if (pInterval->slidingUnit == 'y') {
+    duration *= 12;
+  }
+
+  struct tm tm;
+  time_t    t = (time_t) key;
+  taosLocalTime(&t, &tm);
+
+  int mon = (int)(tm.tm_year * 12 + tm.tm_mon + duration * factor);
+  tm.tm_year = mon / 12;
+  tm.tm_mon = mon % 12;
+  tw->skey = convertTimePrecision((int64_t)taosMktime(&tm) * 1000LL, TSDB_TIME_PRECISION_MILLI, pInterval->precision);
+
+  tw->ekey = taosTimeAdd(tw->skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
+}
+
 bool hasLimitOffsetInfo(SLimitInfo* pLimitInfo) {
   return (pLimitInfo->limit.limit != -1 || pLimitInfo->limit.offset != -1 || pLimitInfo->slimit.limit != -1 ||
           pLimitInfo->slimit.offset != -1);
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index d28c3cfe58..464282613d 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -637,15 +637,15 @@ bool isTaskKilled(SExecTaskInfo* pTaskInfo) { return (0 != pTaskInfo->code) ? tr
 void setTaskKilled(SExecTaskInfo* pTaskInfo, int32_t rspCode) { pTaskInfo->code = rspCode; }
 
 /////////////////////////////////////////////////////////////////////////////////////////////
-STimeWindow getAlignQueryTimeWindow(SInterval* pInterval, int32_t precision, int64_t key) {
+STimeWindow getAlignQueryTimeWindow(const SInterval* pInterval, int64_t key) {
   STimeWindow win = {0};
-  win.skey = taosTimeTruncate(key, pInterval, precision);
+  win.skey = taosTimeTruncate(key, pInterval);
 
   /*
    * if the realSkey > INT64_MAX - pInterval->interval, the query duration between
    * realSkey and realEkey must be less than one interval.Therefore, no need to adjust the query ranges.
    */
-  win.ekey = taosTimeAdd(win.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
+  win.ekey = taosTimeAdd(win.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
   if (win.ekey < win.skey) {
     win.ekey = INT64_MAX;
   }
diff --git a/source/libs/executor/src/filloperator.c b/source/libs/executor/src/filloperator.c
index 16983cb507..3403c202b7 100644
--- a/source/libs/executor/src/filloperator.c
+++ b/source/libs/executor/src/filloperator.c
@@ -255,10 +255,10 @@ static int32_t initFillInfo(SFillOperatorInfo* pInfo, SExprInfo* pExpr, int32_t
                             const char* id, SInterval* pInterval, int32_t fillType, int32_t order) {
   SFillColInfo* pColInfo = createFillColInfo(pExpr, numOfCols, pNotFillExpr, numOfNotFillCols, pValNode);
 
+  STimeWindow w = {0};
   int64_t     startKey = (order == TSDB_ORDER_ASC) ? win.skey : win.ekey;
-  STimeWindow w = getAlignQueryTimeWindow(pInterval, pInterval->precision, startKey);
-  w = getFirstQualifiedTimeWindow(startKey, &w, pInterval, order);
 
+  getInitialStartTimeWindow(pInterval, startKey, &w, order);
   pInfo->pFillInfo = taosCreateFillInfo(w.skey, numOfCols, numOfNotFillCols, capacity, pInterval, fillType, pColInfo,
                                         pInfo->primaryTsCol, order, id);
 
@@ -400,13 +400,13 @@ SOperatorInfo* createFillOperatorInfo(SOperatorInfo* downstream, SFillPhysiNode*
 
 TSKEY getNextWindowTs(TSKEY ts, SInterval* pInterval) {
   STimeWindow win = {.skey = ts, .ekey = ts};
-  getNextIntervalWindow(pInterval, &win, TSDB_ORDER_ASC);
+  getNextTimeWindow(pInterval, &win, TSDB_ORDER_ASC);
   return win.skey;
 }
 
 TSKEY getPrevWindowTs(TSKEY ts, SInterval* pInterval) {
   STimeWindow win = {.skey = ts, .ekey = ts};
-  getNextIntervalWindow(pInterval, &win, TSDB_ORDER_DESC);
+  getNextTimeWindow(pInterval, &win, TSDB_ORDER_DESC);
   return win.skey;
 }
 
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index b556733254..c83c161326 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -67,39 +67,6 @@ static void switchCtxOrder(SqlFunctionCtx* pCtx, int32_t numOfOutput) {
   }
 }
 
-static void getNextTimeWindow(SInterval* pInterval, STimeWindow* tw, int32_t order) {
-  int32_t factor = GET_FORWARD_DIRECTION_FACTOR(order);
-  if (pInterval->intervalUnit != 'n' && pInterval->intervalUnit != 'y') {
-    tw->skey += pInterval->sliding * factor;
-    tw->ekey = tw->skey + pInterval->interval - 1;
-    return;
-  }
-
-  int64_t key = tw->skey, interval = pInterval->interval;
-  // convert key to second
-  key = convertTimePrecision(key, pInterval->precision, TSDB_TIME_PRECISION_MILLI) / 1000;
-
-  if (pInterval->intervalUnit == 'y') {
-    interval *= 12;
-  }
-
-  struct tm tm;
-  time_t    t = (time_t)key;
-  taosLocalTime(&t, &tm);
-
-  int mon = (int)(tm.tm_year * 12 + tm.tm_mon + interval * factor);
-  tm.tm_year = mon / 12;
-  tm.tm_mon = mon % 12;
-  tw->skey = convertTimePrecision((int64_t)taosMktime(&tm) * 1000LL, TSDB_TIME_PRECISION_MILLI, pInterval->precision);
-
-  mon = (int)(mon + interval);
-  tm.tm_year = mon / 12;
-  tm.tm_mon = mon % 12;
-  tw->ekey = convertTimePrecision((int64_t)taosMktime(&tm) * 1000LL, TSDB_TIME_PRECISION_MILLI, pInterval->precision);
-
-  tw->ekey -= 1;
-}
-
 static bool overlapWithTimeWindow(SInterval* pInterval, SDataBlockInfo* pBlockInfo, int32_t order) {
   STimeWindow w = {0};
 
@@ -109,7 +76,7 @@ static bool overlapWithTimeWindow(SInterval* pInterval, SDataBlockInfo* pBlockIn
   }
 
   if (order == TSDB_ORDER_ASC) {
-    w = getAlignQueryTimeWindow(pInterval, pInterval->precision, pBlockInfo->window.skey);
+    w = getAlignQueryTimeWindow(pInterval, pBlockInfo->window.skey);
     ASSERT(w.ekey >= pBlockInfo->window.skey);
 
     if (w.ekey < pBlockInfo->window.ekey) {
@@ -128,7 +95,7 @@ static bool overlapWithTimeWindow(SInterval* pInterval, SDataBlockInfo* pBlockIn
       }
     }
   } else {
-    w = getAlignQueryTimeWindow(pInterval, pInterval->precision, pBlockInfo->window.ekey);
+    w = getAlignQueryTimeWindow(pInterval, pBlockInfo->window.ekey);
     ASSERT(w.skey <= pBlockInfo->window.ekey);
 
     if (w.skey > pBlockInfo->window.skey) {
diff --git a/source/libs/executor/src/tfill.c b/source/libs/executor/src/tfill.c
index 778281f9b4..ed786003d5 100644
--- a/source/libs/executor/src/tfill.c
+++ b/source/libs/executor/src/tfill.c
@@ -519,7 +519,7 @@ void taosFillSetStartInfo(SFillInfo* pFillInfo, int32_t numOfRows, TSKEY endKey)
 
   pFillInfo->end = endKey;
   if (!FILL_IS_ASC_FILL(pFillInfo)) {
-    pFillInfo->end = taosTimeTruncate(endKey, &pFillInfo->interval, pFillInfo->interval.precision);
+    pFillInfo->end = taosTimeTruncate(endKey, &pFillInfo->interval);
   }
 
   pFillInfo->index = 0;
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index c5dc927bd1..15f803125c 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -263,43 +263,6 @@ int32_t getNumOfRowsInTimeWindow(SDataBlockInfo* pDataBlockInfo, TSKEY* pPrimary
   return num;
 }
 
-static void getNextTimeWindow(SInterval* pInterval, int32_t precision, int32_t order, STimeWindow* tw) {
-  int32_t factor = GET_FORWARD_DIRECTION_FACTOR(order);
-  if (pInterval->intervalUnit != 'n' && pInterval->intervalUnit != 'y') {
-    tw->skey += pInterval->sliding * factor;
-    tw->ekey = tw->skey + pInterval->interval - 1;
-    return;
-  }
-
-  int64_t key = tw->skey, interval = pInterval->interval;
-  // convert key to second
-  key = convertTimePrecision(key, precision, TSDB_TIME_PRECISION_MILLI) / 1000;
-
-  if (pInterval->intervalUnit == 'y') {
-    interval *= 12;
-  }
-
-  struct tm tm;
-  time_t    t = (time_t)key;
-  taosLocalTime(&t, &tm);
-
-  int mon = (int)(tm.tm_year * 12 + tm.tm_mon + interval * factor);
-  tm.tm_year = mon / 12;
-  tm.tm_mon = mon % 12;
-  tw->skey = convertTimePrecision((int64_t)taosMktime(&tm) * 1000LL, TSDB_TIME_PRECISION_MILLI, precision);
-
-  mon = (int)(mon + interval);
-  tm.tm_year = mon / 12;
-  tm.tm_mon = mon % 12;
-  tw->ekey = convertTimePrecision((int64_t)taosMktime(&tm) * 1000LL, TSDB_TIME_PRECISION_MILLI, precision);
-
-  tw->ekey -= 1;
-}
-
-void getNextIntervalWindow(SInterval* pInterval, STimeWindow* tw, int32_t order) {
-  getNextTimeWindow(pInterval, pInterval->precision, order, tw);
-}
-
 void doTimeWindowInterpolation(SArray* pPrevValues, SArray* pDataBlock, TSKEY prevTs, int32_t prevRowIndex, TSKEY curTs,
                                int32_t curRowIndex, TSKEY windowKey, int32_t type, SExprSupp* pSup) {
   SqlFunctionCtx* pCtx = pSup->pCtx;
@@ -455,7 +418,7 @@ static int32_t getNextQualifiedWindow(SInterval* pInterval, STimeWindow* pNext,
   bool ascQuery = (order == TSDB_ORDER_ASC);
 
   int32_t precision = pInterval->precision;
-  getNextTimeWindow(pInterval, precision, order, pNext);
+  getNextTimeWindow(pInterval, pNext, order);
 
   // next time window is not in current block
   if ((pNext->skey > pDataBlockInfo->window.ekey && order == TSDB_ORDER_ASC) ||
@@ -500,7 +463,7 @@ static int32_t getNextQualifiedWindow(SInterval* pInterval, STimeWindow* pNext,
     if (ascQuery && primaryKeys[startPos] > pNext->ekey) {
       TSKEY next = primaryKeys[startPos];
       if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-        pNext->skey = taosTimeTruncate(next, pInterval, precision);
+        pNext->skey = taosTimeTruncate(next, pInterval);
         pNext->ekey = taosTimeAdd(pNext->skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
       } else {
         pNext->ekey += ((next - pNext->ekey + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
@@ -509,7 +472,7 @@ static int32_t getNextQualifiedWindow(SInterval* pInterval, STimeWindow* pNext,
     } else if ((!ascQuery) && primaryKeys[startPos] < pNext->skey) {
       TSKEY next = primaryKeys[startPos];
       if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-        pNext->skey = taosTimeTruncate(next, pInterval, precision);
+        pNext->skey = taosTimeTruncate(next, pInterval);
         pNext->ekey = taosTimeAdd(pNext->skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
       } else {
         pNext->skey -= ((pNext->skey - next + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
@@ -1380,7 +1343,7 @@ static void doDeleteWindows(SOperatorInfo* pOperator, SInterval* pInterval, SSDa
 
     do {
       if (!inCalSlidingWindow(pInterval, &win, calStTsCols[i], calEnTsCols[i])) {
-        getNextTimeWindow(pInterval, pInterval->precision, TSDB_ORDER_ASC, &win);
+        getNextTimeWindow(pInterval, &win, TSDB_ORDER_ASC);
         continue;
       }
       uint64_t winGpId = pGpDatas[i];
@@ -1397,7 +1360,7 @@ static void doDeleteWindows(SOperatorInfo* pOperator, SInterval* pInterval, SSDa
           taosHashRemove(pUpdatedMap, &winRes, sizeof(SWinKey));
         }
       }
-      getNextTimeWindow(pInterval, pInterval->precision, TSDB_ORDER_ASC, &win);
+      getNextTimeWindow(pInterval, &win, TSDB_ORDER_ASC);
     } while (win.ekey <= endTsCols[i]);
   }
 }
diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 90a7261074..27c1555666 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -1247,8 +1247,8 @@ static bool smaIndexOptEqualInterval(SScanLogicNode* pScan, SWindowLogicNode* pW
                           .sliding = pIndex->sliding,
                           .slidingUnit = pIndex->slidingUnit,
                           .precision = pScan->node.precision};
-    return (pScan->scanRange.skey == taosTimeTruncate(pScan->scanRange.skey, &interval, pScan->node.precision)) &&
-           (pScan->scanRange.ekey + 1 == taosTimeTruncate(pScan->scanRange.ekey + 1, &interval, pScan->node.precision));
+    return (pScan->scanRange.skey == taosTimeTruncate(pScan->scanRange.skey, &interval)) &&
+           (pScan->scanRange.ekey + 1 == taosTimeTruncate(pScan->scanRange.ekey + 1, &interval));
   }
   return true;
 }