优化更新

DjangoAdmin_Flask_AntdVue/zh/volume4/business/role.md

@@ -173,12 +173,13 @@ class RoleService(BaseService):
 角色管理页面通常包含菜单树组件，用于勾选分配权限：
 
 ```vue
-<el-tree
-    ref="menuTree"
-    :data="menuTreeData"
-    show-checkbox
-    node-key="id"
-    :default-checked-keys="checkedMenuIds"
+<a-tree
+    :tree-data="menuTree"
+    :fieldNames="{ children: 'children', title: 'name', key: 'id' }"
+    :height="600"
+    v-model:checkedKeys="checkedKeys"
+    v-model:expandedKeys="expandedKeys"
+    checkable
 />
 ```