diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 9daa8c2a..ed26699f 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -1300,7 +1300,7 @@ class ShopController extends BaseAuthedController
         $goods = mt\ShopGoods::get($id);
         $goods_id = $goods['goods_id'];
         $shop_id = $goods['shop_id'];
-        
+
         $meta = mt\Item::get($goods_id);
         if ($meta['type'] != mt\Item::CHEST_BOX_TYPE) {
             $this->_rspErr(2, 'goods_id is invalid');