diff --git a/webapp/models/Mall.php b/webapp/models/Mall.php
index 55f21e70..6309b10b 100644
--- a/webapp/models/Mall.php
+++ b/webapp/models/Mall.php
@@ -94,7 +94,7 @@ class Mall extends BaseModel {
              ),
              array(
                  'status' => self::BUY_OK_STATE,
-                 'buyer' => $buyer
+                 'last_buyer' => $buyer
              )
             );
     }
diff --git a/webapp/services/callback/GameItemMarketBuyOk.php b/webapp/services/callback/GameItemMarketBuyOk.php
index c6705b6f..affa6cc7 100644
--- a/webapp/services/callback/GameItemMarketBuyOk.php
+++ b/webapp/services/callback/GameItemMarketBuyOk.php
@@ -7,6 +7,7 @@ require_once('ShopAddItemService.php');
 require_once('models/Mall.php');
 
 require_once('services/LogService.php');
+require_once ('services/callback/common/SignatureService.php');
 
 use phpcommon\SqlHelper;