diff --git a/1734401334_create_table_carousel.up.sql b/1734401334_create_table_carousel.up.sql
index 38f9bff..5b3255a 100644
--- a/1734401334_create_table_carousel.up.sql
+++ b/1734401334_create_table_carousel.up.sql
@@ -8,8 +8,8 @@ CREATE TABLE `ufutx_carousel` (
     `shop_id` bigint(20) default NULL comment "商品id",
     `status` tinyInt(4) UNSIGNED default 0 comment "状态 0:关闭, 1:开启",
     `is_limit` tinyInt(4) UNSIGNED default 0 comment "是否限时 0:永久 1:限时",
-    `start_time` timestamp default null comment "开始时间",
-    `end_time` timestamp default null comment "结束时间",
+    `start_time` timestamp null default null comment "开始时间",
+    `end_time` timestamp null default null comment "结束时间",
     `created_at` timestamp null default null,
     `updated_at` timestamp null default null,
     `deleted_at` timestamp null default null