diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 93661237..9e65c55b 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -197,15 +197,18 @@ class ShopController extends BaseAuthedController
 
         if ($goods_num <= 0) {
             $this->_rspErr(1, 'goods_num is invalid');
+            return;
         }
 
         $goods = mt\ShopGoods::get($id);
         if (!$goods) {
             $this->_rspErr(1, "id is invalid. {$id}");
+            return;
         }
 
         if ($goods['shop_id'] == 9 && $goods_num > 1) {
             $this->_rspErr(1, 'goods_num is invalid');
+            return;
         }
 
         $conn = myself()->_getSelfMysql();
@@ -213,6 +216,7 @@ class ShopController extends BaseAuthedController
         $address = myself()->_getAddress();
         if (!$address) {
             $this->_rspErr(1, 'address is empty');
+            return;
         }
 
         $goods_str = json_encode($goods);