商品新增

zhongzheng-system/src/main/resources/mapper/modules/grade/ClassGradeSysMapper.xml

@@ -35,7 +35,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             s.*,
             ( SELECT nick_name FROM sys_user u WHERE s.sys_user_id = u.user_id ) AS sys_user_name,
             ( SELECT nick_name FROM sys_user u WHERE s.create_by = u.user_id ) AS create_by_name,
-            ( SELECT role_name FROM sys_role u LEFT JOIN sys_user_role r ON r.role_id = u.role_id WHERE r.user_id = s.sys_user_id ) AS role,
+            ( SELECT role_name FROM sys_role u LEFT JOIN sys_user_role r ON r.role_id = u.role_id WHERE r.user_id = s.sys_user_id LIMIT 1) AS role,
             ( SELECT CODE FROM sys_user u WHERE s.sys_user_id = u.user_id ) AS CODE
         FROM
             class_grade_sys s