diff --git a/1723266104_create_ufutx_s2_user_data.up.sql b/1723266104_create_ufutx_s2_user_data.up.sql
index 34cda96..f5dcca6 100644
--- a/1723266104_create_ufutx_s2_user_data.up.sql
+++ b/1723266104_create_ufutx_s2_user_data.up.sql
@@ -12,6 +12,6 @@ CREATE TABLE `ufutx_s2_user_data` (
   `superior_mobile` varchar(64) DEFAULT NULL COMMENT '上级手机',
   `superior_name` varchar(128) DEFAULT NULL COMMENT '上级名字',
   `superior_reason` varchar(512) DEFAULT NULL COMMENT '关联原因',
-  `created_at` timestamp NOT NULL,
-  `updated_at` timestamp NOT NULL
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户身份及推荐人关系表';
\ No newline at end of file