public function actionUpdateSortOrder()
 {
     $orders = YII::app()->request->getParam('orders', null);
     $index = 0;
     foreach ($orders as $item) {
         $houseRule = Houserules::model()->findByPk($item);
         $houseRule->setAttribute('sort', $index);
         $houseRule->save();
         $index++;
     }
 }