master：客户销售列表排序调优；

xkt/src/main/resources/mapper/StoreCustomerProductDiscountMapper.xml

@@ -27,10 +27,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="cusName != null  and cusName != ''"> AND scpd.store_cus_name like concat('%', #{cusName}, '%')</if>
             <if test="prodArtNum != null  and prodArtNum != ''"> AND sp.prod_art_num like concat('%', #{prodArtNum}, '%')</if>
         ORDER BY
-            scpd.create_time DESC,
+            scpd.update_time DESC,
             scpd.store_prod_id,
-            scpd.store_prod_color_id,
-            scpd.store_cus_id
+            scpd.store_prod_color_id
     </select>