diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index c0514169..5f5e7666 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -1375,7 +1375,13 @@ class ShopController extends BaseAuthedController
             }
         }
 
-        $free_num = $goods['free_num'] - $this->countFreeBuyTimes($address, $id, $goods_id);
+        if (!empty($goods['free_type'])) {
+            $count = $this->countFreeBuyTimes($goods['free_type'], $goods['id'], $goods['goods_id']);
+            $goods['free_num'] = $goods['free_num'] - $count;
+            error_log('free_num:' . $goods['free_num']);
+        }
+
+        $free_num = $goods['free_num'];
         $pending = $this->checkPendingBuyGoodsNormal($address, $goods_id, $shop_id, $id);
         error_log("getChestItems start " . json_encode(
             array(