diff --git a/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml b/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
index 9ae2bcc91..1bb8409c0 100644
--- a/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
+++ b/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
@@ -166,7 +166,7 @@
         select ROUND(
         ST_Distance_Sphere(POINT(b.lng, b.lat), POINT(#{lng}, #{lat})) / 1000, 2) AS distance,
             c.name, a.origin_price, a.sale_price, b.shop_name, b.districts, c.cover_img, b.logo, c.id,
-            a.real_sales_number saleNum, round(a.sale_price / a.origin_price, 2) * 10 discount,
+            a.real_sales_number saleNum, (round(a.sale_price / a.origin_price, 2) * 10) AS discount,
         c.id productId, a.id skuId, b.id shopId
         from tb_prod_sku as a
         left join tb_product c on c.id=a.product_id