diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index d680e9a3..529506d8 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -137,13 +137,18 @@ class ShopController extends BaseAuthedController {
 
         $price_array = splitStr1($row['price']);
         $discount_array = splitStr1($row['discount']);
-        $discount_begin = $row['discount_begin'];
-        $discount_end = $row['discount_end'];
-        $nowTime = $this->_getNowTime();
         
         $need_price = $price_array[$token_pos];
         $discount = $discount_array[$token_pos];
 
+        $discount_begin = $row['discount_begin'];
+        $discount_end = $row['discount_end'];
+        $nowTime = $this->_getNowTime();
+
+        if ($nowTime>=$discount_begin && $nowTime<$discount_end) {
+            $need_price = ceil($need_price * ($discount / 100.0));
+        }
+
         $costItemId = $this->getCostItemIdByTokenType($token_type);
         
         switch($token_type) {