无用代码删除

Author: windhoney

models/Assignment.php

@@ -5,7 +5,7 @@
 use yii\helpers\ArrayHelper;
 use Yii;
 use yii\base\Model;
-use yii\base\Object;
+//use yii\base\Object;
 use wind\rest\components\Helper;
 use yii\rbac\Item;
 use yii\data\ActiveDataProvider;