diff --git a/xkt/src/main/resources/mapper/StoreCustomerProductDiscountMapper.xml b/xkt/src/main/resources/mapper/StoreCustomerProductDiscountMapper.xml
index 85790513b..8bbbd2cf5 100644
--- a/xkt/src/main/resources/mapper/StoreCustomerProductDiscountMapper.xml
+++ b/xkt/src/main/resources/mapper/StoreCustomerProductDiscountMapper.xml
@@ -46,6 +46,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                 #{item}
             </foreach>
         GROUP BY
+            spc.id,
             spc.store_prod_id,
             spc.store_color_id
     </select>