diff --git a/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
index 5057bc3..5dd4c9c 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
@@ -25,24 +25,24 @@
 	</resultMap>
 
 	<sql id="selectMenuVo">
-        select menu_id, menu_name, parent_id, order_num, url, target, menu_type, visible, is_refresh, ifnull(perms,'') as perms, icon, create_by, create_time 
+        select menu_id, menu_name, parent_id, order_num, url, target, menu_type, visible, is_refresh, COALESCE(perms,'') as perms, icon, create_by, create_time 
 		from sys_menu
     </sql>
 
 	<select id="selectMenusByUserId" parameterType="Long" resultMap="SysMenuResult">
-		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, ifnull(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
+		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, COALESCE(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
 		from sys_menu m
 			 left join sys_role_menu rm on m.menu_id = rm.menu_id
 			 left join sys_user_role ur on rm.role_id = ur.role_id
 			 LEFT JOIN sys_role ro on ur.role_id = ro.role_id
-		where ur.user_id = #{userId} and m.menu_type in ('M', 'C') and m.visible = 0  AND ro.status = 0
+		where ur.user_id = #{userId} and m.menu_type in ('M', 'C') and m.visible = '0'  AND ro.status = '0'
 		order by m.parent_id, m.order_num
 	</select>
 
 	<select id="selectMenuNormalAll" resultMap="SysMenuResult">
-		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, ifnull(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
+		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, COALESCE(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
 		from sys_menu m
-		where m.menu_type in ('M', 'C') and m.visible = 0
+		where m.menu_type in ('M', 'C') and m.visible = '0'
 		order by m.parent_id, m.order_num
 	</select>
 
@@ -52,7 +52,7 @@
 	</select>
 
 	<select id="selectMenuAllByUserId" parameterType="Long" resultMap="SysMenuResult">
-		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, ifnull(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
+		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, COALESCE(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
 		from sys_menu m
 			 left join sys_role_menu rm on m.menu_id = rm.menu_id
 			 left join sys_user_role ur on rm.role_id = ur.role_id
@@ -78,7 +78,7 @@
 	</select>
 
 	<select id="selectMenuTree" parameterType="Long" resultType="String">
-		select concat(m.menu_id, ifnull(m.perms,'')) as perms
+		select concat(m.menu_id, COALESCE(m.perms,'')) as perms
 		from sys_menu m
 			left join sys_role_menu rm on m.menu_id = rm.menu_id
 		where rm.role_id = #{roleId}
@@ -99,7 +99,7 @@
 	</select>
 
 	<select id="selectMenuListByUserId" parameterType="SysMenu" resultMap="SysMenuResult">
-		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, ifnull(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
+		select distinct m.menu_id, m.parent_id, m.menu_name, m.url, m.visible, m.is_refresh, COALESCE(m.perms,'') as perms, m.target, m.menu_type, m.icon, m.order_num, m.create_time
 		from sys_menu m
 		left join sys_role_menu rm on m.menu_id = rm.menu_id
 		left join sys_user_role ur on rm.role_id = ur.role_id