修改order time

www/protected/modules/o2o/controllers/OrderController.php

@@ -428,7 +428,7 @@ class  OrderController extends O2oBaseController{
                 $criteria->user('==',new MongoId($user_id));
                 $current_time = time();
                 $criteria->end_time('<',$current_time);
-                $criteria->sort(end_time,EMongoCriteria::SORT_DESC);
+                $criteria->sort('end_time',EMongoCriteria::SORT_DESC);
                 $coupons = UserCoupon::model()->findAll($criteria);
                 $coupon_list['overtime_coupons'] = array();
                 foreach ($coupons as $value) {