diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 9fd6e02e..f1054d84 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -1350,6 +1350,13 @@ class ShopController extends BaseAuthedController
         }
         $chestType = $meta['sub_type'];
         $itemStore = mt\ShopChest::getRandomItemListByChestType($chestType);
+        error_log("getChestItems start1 " . json_encode(
+            array(
+                'goods_id' => $goods_id,
+                'chestType' => $chestType,
+                'items' => $itemStore,
+            )
+        ));
         $record = array();
         foreach ($itemStore as $key => $value) {
             foreach ($value as $k => $v) {