优化项目目录结构

app/controller/admin/Menu.php

@@ -9,14 +9,13 @@
 namespace app\controller\admin;
 
 use sent\tree\Tree;
-use app\controller\Admin;
 use app\model\Menu as MenuM;
 use think\facade\Cache;
 
 /**
  * @title 菜单管理
  */
-class Menu extends Admin {
+class Menu extends Base {
 
 	public function _initialize() {
 		parent::_initialize();