CREATE TABLE `ufutx_daily_step`(
    `id` BIGINT NOT NULL AUTO_INCREMENT , 
    `user_id` integer NOT NULL COMMENT "用户id",
    `date` date NOT NULL COMMENT "日期",
    `step` integer DEFAULT 0 COMMENT "步数",
    `last_id` integer NOT NULL COMMENT "最后更新id",
    `created_at` TIMESTAMP NULL DEFAULT NULL , 
    `updated_at` TIMESTAMP NULL DEFAULT NULL , 
    PRIMARY KEY (`id`)
) ENGINE = InnoDB COMMENT = '每日步数';