diff --git a/webapp/controller/BlockChainController.class.php b/webapp/controller/BlockChainController.class.php
index 778b2071..f6470ba1 100644
--- a/webapp/controller/BlockChainController.class.php
+++ b/webapp/controller/BlockChainController.class.php
@@ -254,6 +254,7 @@ class BlockChainController extends BaseAuthedController {
                     $tokenType,
                     $itemUniId,
                     $itemId,
+                    1,
                     1
                 );
                 myself()->_rspData(array(
diff --git a/webapp/models/Transaction.php b/webapp/models/Transaction.php
index c13b1b14..357a2349 100644
--- a/webapp/models/Transaction.php
+++ b/webapp/models/Transaction.php
@@ -65,7 +65,7 @@ class Transaction extends BaseModel {
         return $row;
     }
 
-    public static function add($transId, $action, $tokenId, $tokenType, $itemUniId, $itemId, $result)
+    public static function add($transId, $action, $tokenId, $tokenType, $itemUniId, $itemId, $itemNum,  $result)
     {
         SqlHelper::insert(
             myself()->_getSelfMysql(),
@@ -79,6 +79,7 @@ class Transaction extends BaseModel {
                 'token_type' => $tokenType,
                 'item_uniid' => $itemUniId,
                 'item_id' => $itemId,
+                'item_num' => $itemNum,
                 'result' => $result,
                 'status' => self::CREATED_STATUS,
                 'createtime' => myself()->_getNowTime(),
diff --git a/webapp/services/BlockChainService.php b/webapp/services/BlockChainService.php
index ed586e12..915c23cf 100644
--- a/webapp/services/BlockChainService.php
+++ b/webapp/services/BlockChainService.php
@@ -13,6 +13,7 @@ class BlockChainService {
             die();
             return;
         }
+        $account = myself()->_getAddress();
         $params = array(
             'c' => 'GameItemMall',
             'a' => 'buy',
@@ -40,7 +41,8 @@ class BlockChainService {
                     '', //$tokenId,
                     '', //$tokenType,
                     0, //$itemUniId,
-                    0, //$itemId,
+                    $itemId, //$itemId,
+                    $itemNum,
                     1
                 );
                 return array(