diff --git a/business/model/dao/store_sku.go b/business/model/dao/store_sku.go
index 42f83b81c..816c62ac0 100644
--- a/business/model/dao/store_sku.go
+++ b/business/model/dao/store_sku.go
@@ -1373,7 +1373,7 @@ func GetStoreSkuBindByNameID(db *DaoDB, storeID, nameID, status int) (storeSkuBi
 func GetPriceReferPrice(db *DaoDB, cityCode int, skuID int, snapDate time.Time) (result *PriceReferSnapshotExt, err error) {
 	var (
 		pRefer     *PriceReferSnapshotExt
-		priceRefer *PriceReferSnapshotExt
+		priceRefer = &PriceReferSnapshotExt{}
 	)
 	sql := `
 		SELECT a.max_unit_price, a.min_unit_price, a.avg_unit_price, a.mid_unit_price, a.sku_id id, b.spec_quality, c.unit, b.spec_unit