CREATE TABLE `ufutx_history_step` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `step_id` int(11) NOT NULL DEFAULT '0', `year_month` varchar(12) NOT NULL, `step_count` int(11) NOT NULL DEFAULT '0', `created_at` timestamp NULL DEFAULT NULL, `updated_at` timestamp NULL DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='历史步数表';