CREATE TABLE `ufutx_app_temp_sign`
(
    `id`         int(11) unsigned NOT NULL AUTO_INCREMENT,
    `user_id`    int(11) NOT NULL COMMENT '用户id',
    `created_at` timestamp NULL DEFAULT NULL COMMENT '创建时间',
    `updated_at` timestamp NULL DEFAULT NULL COMMENT '更新时间',
    PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='app8.18大会签到临时表';