diff --git a/business/jxstore/cms/sync.go b/business/jxstore/cms/sync.go
index 80d5aa46b..b2d1586c7 100644
--- a/business/jxstore/cms/sync.go
+++ b/business/jxstore/cms/sync.go
@@ -1254,22 +1254,29 @@ func SyncSkuExperfixAndWatermark(ctx *jxcontext.Context) (err error) {
 	task := tasksch.NewParallelTask("SyncSkuExperfixAndWatermark", tasksch.NewParallelConfig().SetIsContinueWhenError(true), ctx,
 		func(task *tasksch.ParallelTask, batchItemList []interface{}, params ...interface{}) (retVal interface{}, err error) {
 			skuExinfo := batchItemList[0].(*model.SkuExinfoMap)
-			if time.Now().Sub(skuExinfo.EndAt) > 0 {
+			if utils.Time2Date(time.Now().Add(6*time.Hour)).Sub(skuExinfo.EndAt) > 0 {
 				skuExinfo.DeletedAt = time.Now()
 				dao.UpdateEntity(db, skuExinfo, "DeletedAt")
+				goto setModifiyFlag
 			}
-			skus, err := dao.GetSkus(db, nil, []int{skuExinfo.NameID}, nil, nil, nil)
-			var skuIDs []int
-			for _, v := range skus {
-				skuIDs = append(skuIDs, v.ID)
+			if utils.Time2Date(time.Now().Add(6*time.Hour)).Sub(skuExinfo.BeginAt) == 0 {
+				goto setModifiyFlag
 			}
-			if partner.IsMultiStore(skuExinfo.VendorID) {
-				for _, v := range skuIDs {
-					OnUpdateThing(ctx, db, nil, int64(v), model.ThingTypeSku)
+		setModifiyFlag:
+			{
+				skus, _ := dao.GetSkus(db, nil, []int{skuExinfo.NameID}, nil, nil, nil)
+				var skuIDs []int
+				for _, v := range skus {
+					skuIDs = append(skuIDs, v.ID)
 				}
-			} else {
-				if len(skuIDs) > 0 {
-					SetStoreSkuSyncStatus2(db, nil, []int{skuExinfo.VendorID}, skuIDs, model.SyncFlagModifiedMask)
+				if partner.IsMultiStore(skuExinfo.VendorID) {
+					for _, v := range skuIDs {
+						OnUpdateThing(ctx, db, nil, int64(v), model.ThingTypeSku)
+					}
+				} else {
+					if len(skuIDs) > 0 {
+						SetStoreSkuSyncStatus2(db, nil, []int{skuExinfo.VendorID}, skuIDs, model.SyncFlagModifiedMask)
+					}
 				}
 			}
 			return retVal, err
diff --git a/business/jxstore/misc/misc.go b/business/jxstore/misc/misc.go
index c8e3c1fa4..d69a6951c 100644
--- a/business/jxstore/misc/misc.go
+++ b/business/jxstore/misc/misc.go
@@ -43,7 +43,7 @@ var (
 		"09:00:00",
 	}
 	dailyWorkTimeList = []string{
-		"20:00:00",
+		"20:30:00",
 	}
 	dailyWorkTimeList2 = []string{
 		"02:00:00",