fix: 修复个人中心角色显示有误的bug [#2125]

src/pages/my/index.vue

@@ -17,7 +17,7 @@
       </div>
       <div class="item">
         <label>系统角色：</label>
-        <span v-for="(role, index) in roles" :key="index">{{index ? '、' + role.name : role.name}}</span>
+        <span v-for="(role, index) in roles" :key="index">{{index ? '、' + role.display_name : role.display_name}}</span>
         <span v-if="roles.length === 0">无</span>
       </div>
       <div class="item">