diff --git a/Data/update.sql b/Data/update.sql
index 5313e103a..318de28ce 100644
--- a/Data/update.sql
+++ b/Data/update.sql
@@ -400,3 +400,8 @@ ALTER TABLE `tab_downloadlog`
 UPDATE `platform_new`.`tab_quick_menu` SET `url` = '/index.php?s=/Home/PromoteCoin/transferLogs.html' WHERE `id` = 15
 UPDATE `platform_new`.`tab_quick_menu` SET `url` = 'index.php?s=/Home/Promote/children/promote_type/1.html' WHERE `id` = 2
 UPDATE `platform_new`.`tab_quick_menu` SET `url` = '/index.php?s=/Home/Promote/children/promote_type/2.html' WHERE `id` = 3
+
+-- 增加tab_spend extend 字段长度到255
+ALTER TABLE `tab_spend`
+MODIFY COLUMN `extend`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '通知游戏方扩展(一般是游戏方透传)' AFTER `pay_game_status`;
+