更新项目部分结构，新增加DB

admin/models/search/AdminSearch.php

@@ -2,12 +2,10 @@
 
 namespace admin\models\search;
 
-use common\modelsgii\AuthItem;
-use Yii;
-use yii\base\Model;
-use yii\data\ActiveDataProvider;
 use admin\models\Admin;
 use common\modelsgii\AuthAssignment;
+use yii\base\Model;
+use yii\data\ActiveDataProvider;
 
 /**
  * AdminSearch represents the model behind the search form about `backend\models\Admin`.