diff --git a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
index 7c97ff5e..83d161e2 100644
--- a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
+++ b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysMenuMapper.xml
@@ -118,7 +118,7 @@
 	
 	<select id="checkMenuNameUnique" parameterType="SysMenu" resultMap="SysMenuResult">
 		<include refid="selectMenuVo"/>
-		where menu_name=#{menuName} and parent_id = #{parentId}
+		where menu_name=#{menuName} and parent_id = #{parentId} limit 1
 	</select>
 	
 	<update id="updateMenu" parameterType="SysMenu">