diff --git a/business/jxstore/report/report.go b/business/jxstore/report/report.go
index e2b9b8f78..ca0b29060 100644
--- a/business/jxstore/report/report.go
+++ b/business/jxstore/report/report.go
@@ -65,6 +65,9 @@ func BeginSavePriceRefer(ctx *jxcontext.Context, cityCodes, skuIDs []int, isAsyn
 	var priceReferSnapshotList []*model.PriceReferSnapshot
 	db := dao.GetDB()
 	snapshotAt := utils.Time2Date(time.Now().AddDate(0, 0, -1))
+	dao.DeletePriceReferHistory(db, utils.Time2Date(snapshotAt.AddDate(0, 0, -7)))
+	priceReferSnapshotDelete := &model.PriceReferSnapshot{SnapshotAt: snapshotAt}
+	dao.DeleteEntity(db, priceReferSnapshotDelete, "SnapshotAt")
 	taskSeqFunc := func(task *tasksch.SeqTask, step int, params ...interface{}) (result interface{}, err error) {
 		switch step {
 		case 0:
@@ -79,9 +82,6 @@ func BeginSavePriceRefer(ctx *jxcontext.Context, cityCodes, skuIDs []int, isAsyn
 						}
 					}
 				}()
-				dao.DeletePriceReferHistory(db, utils.Time2Date(snapshotAt.AddDate(0, 0, -7)))
-				priceReferSnapshotDelete := &model.PriceReferSnapshot{SnapshotAt: snapshotAt}
-				dao.DeleteEntity(db, priceReferSnapshotDelete, "SnapshotAt")
 				taskFunc := func(task *tasksch.ParallelTask, batchItemList []interface{}, params ...interface{}) (retVal interface{}, err error) {
 					v := batchItemList[0].(*model.PriceReferSnapshot)
 					dao.WrapAddIDCULDEntity(v, ctx.GetUserName())
diff --git a/business/model/store.go b/business/model/store.go
index 26ade2838..604371afc 100644
--- a/business/model/store.go
+++ b/business/model/store.go
@@ -475,7 +475,8 @@ type PriceReferSnapshot struct {
 
 func (*PriceReferSnapshot) TableUnique() [][]string {
 	return [][]string{
-		[]string{"CityCode", "NameID", "SkuID", "SnapshotAt"},
+		[]string{"CityCode", "SkuID", "SnapshotAt"},
+		[]string{"CityCode", "NameID", "SnapshotAt"},
 	}
 }