diff --git a/src/main/resources/mapper/system/MenuMapper.xml b/src/main/resources/mapper/system/MenuMapper.xml
index d1e97b97..3914e720 100644
--- a/src/main/resources/mapper/system/MenuMapper.xml
+++ b/src/main/resources/mapper/system/MenuMapper.xml
@@ -4,8 +4,13 @@
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.youlai.boot.system.mapper.MenuMapper">
 
+    <!-- 菜单结果映射：仅 params 字段需要 JacksonTypeHandler，其余自动映射 -->
+    <resultMap id="menuResultMap" type="com.youlai.boot.system.model.entity.Menu" autoMapping="true">
+        <result property="params" column="params" typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler"/>
+    </resultMap>
+
     <!-- 获取路由列表 -->
-    <select id="getMenusByRoleCodes" resultType="com.youlai.boot.system.model.entity.Menu">
+    <select id="getMenusByRoleCodes" resultMap="menuResultMap">
         SELECT
             DISTINCT t1.id,
             t1.name,