调整admin下的类库代码，将主要逻辑调整到extend下

extend/base/admin/model/SystemAdminClass.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace base\admin\model;
+
+use app\admin\model\SystemAuth;
+use app\common\model\TimeModel;
+
+class SystemAdminClass extends TimeModel
+{
+    protected $deleteTime = 'delete_time';
+
+    public static $autoCache = [
+        [
+            'name' => 'info',
+            'field' => 'id',
+        ],
+    ];
+
+    public function getAuthList()
+    {
+        $list = (new SystemAuth())
+            ->where('status', 1)
+            ->column('title', 'id');
+
+        return $list;
+    }
+}