diff --git a/src/client/src/tscLocalMerge.c b/src/client/src/tscLocalMerge.c
index f9100163effa6ed008c75dd05085aec6d9da8d85..19abbe32e5ce67b626dd94c3db9574d6a3afe6e8 100644
--- a/src/client/src/tscLocalMerge.c
+++ b/src/client/src/tscLocalMerge.c
@@ -373,8 +373,8 @@ void tscCreateLocalReducer(tExtMemBuffer **pMemBuffer, int32_t numOfBuffer, tOrd
   if (pQueryInfo->fillType != TSDB_FILL_NONE) {
     SFillColInfo* pFillCol = createFillColInfo(pQueryInfo);
     pReducer->pFillInfo = taosInitFillInfo(pQueryInfo->order.order, revisedSTime, pQueryInfo->groupbyExpr.numOfGroupCols,
-                                           4096, (int32_t)numOfCols, &pQueryInfo->interval, tinfo.precision,
-                                           pQueryInfo->fillType, pFillCol);
+                                           4096, (int32_t)numOfCols, pQueryInfo->interval.sliding, pQueryInfo->interval.slidingUnit,
+                                           tinfo.precision, pQueryInfo->fillType, pFillCol);
   }
 }
 
diff --git a/src/query/inc/qFill.h b/src/query/inc/qFill.h
index c1a5a5be8eb7d5342ca23b10c6b45e76a71816cd..6d44fee09557fa8b8d73527677a2c7b238ecb42c 100644
--- a/src/query/inc/qFill.h
+++ b/src/query/inc/qFill.h
@@ -66,7 +66,8 @@ typedef struct SPoint {
 } SPoint;
 
 SFillInfo* taosInitFillInfo(int32_t order, TSKEY skey, int32_t numOfTags, int32_t capacity, int32_t numOfCols,
-                            SInterval* pInterval, int8_t precision, int32_t fillType, SFillColInfo* pFillCol);
+                            int64_t slidingTime, int8_t slidingUnit, int8_t precision, int32_t fillType,
+                            SFillColInfo* pFillCol);
 
 void taosResetFillInfo(SFillInfo* pFillInfo, TSKEY startTimestamp);
 
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index ad9b5a9a84d4383e6eafec42401b2723f7c46618..d3f44cdcc715bb236fafaa4947a54771052df307 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -4581,7 +4581,8 @@ int32_t doInitQInfo(SQInfo *pQInfo, STSBuf *pTsBuf, void *tsdb, int32_t vgId, bo
     getAlignQueryTimeWindow(pQuery, pQuery->window.skey, sk, ek, &w);
 
     pRuntimeEnv->pFillInfo = taosInitFillInfo(pQuery->order.order, w.skey, 0, (int32_t)pQuery->rec.capacity, pQuery->numOfOutput,
-                                              &pQuery->interval, (int8_t)pQuery->precision, pQuery->fillType, pColInfo);
+                                              pQuery->interval.sliding, pQuery->interval.slidingUnit, (int8_t)pQuery->precision,
+                                              pQuery->fillType, pColInfo);
   }
 
   setQueryStatus(pQuery, QUERY_NOT_COMPLETED);
diff --git a/src/query/src/qFill.c b/src/query/src/qFill.c
index 24fb9caa511726c14952076bddd6f0b5b74c5932..f186726c0120f2e2e34580fec0da00c2083e5da9 100644
--- a/src/query/src/qFill.c
+++ b/src/query/src/qFill.c
@@ -23,7 +23,7 @@
 #define FILL_IS_ASC_FILL(_f) ((_f)->order == TSDB_ORDER_ASC)
 
 SFillInfo* taosInitFillInfo(int32_t order, TSKEY skey, int32_t numOfTags, int32_t capacity, int32_t numOfCols,
-    SInterval* pInterval, int8_t precision, int32_t fillType, SFillColInfo* pFillCol) {
+    int64_t slidingTime, int8_t slidingUnit, int8_t precision, int32_t fillType, SFillColInfo* pFillCol) {
   if (fillType == TSDB_FILL_NONE) {
     return NULL;
   }
@@ -38,7 +38,11 @@ SFillInfo* taosInitFillInfo(int32_t order, TSKEY skey, int32_t numOfTags, int32_
   pFillInfo->numOfTags = numOfTags;
   pFillInfo->numOfCols = numOfCols;
   pFillInfo->precision = precision;
-  memcpy(&pFillInfo->interval, pInterval, sizeof(SInterval));
+
+  pFillInfo->interval.interval = slidingTime;
+  pFillInfo->interval.intervalUnit = slidingUnit;
+  pFillInfo->interval.sliding = slidingTime;
+  pFillInfo->interval.slidingUnit = slidingUnit;
 
   pFillInfo->pData = malloc(POINTER_BYTES * numOfCols);
   if (numOfTags > 0) {