优化 auth 单例获取用户，防止多次查询

catch/cms/controller/Test.php

@@ -0,0 +1,13 @@
+<?php
+namespace catchAdmin\cms\controller;
+
+use catcher\base\CatchController;
+use catcher\CatchResponse;
+
+class TestController extends CatchController
+{
+    public function index()
+    {
+        return CatchResponse::success('Hello CatchAdmin');
+    }
+}