ALTER TABLE `t_sale` ADD COLUMN `money_qr` INT(11) UNSIGNED NOT NULL DEFAULT '0' AFTER `money`;
ALTER TABLE `t_qrpayment` ADD COLUMN `countdate` DATETIME NULL DEFAULT NULL AFTER `sendstate`;
ALTER TABLE `t_qrpayment` ADD COLUMN `lastmeter` INT(11) UNSIGNED NULL DEFAULT NULL AFTER `countdate`;
ALTER TABLE `t_logs_money` ADD COLUMN `countdate` DATETIME NULL DEFAULT NULL AFTER `pulse`;
ALTER TABLE `t_logs_money` ADD COLUMN `lastmeter` INT(11) UNSIGNED NULL DEFAULT NULL AFTER `countdate`;
ALTER TABLE `t_meter` CHANGE COLUMN `room` `room` INT(11) NOT NULL DEFAULT '0' AFTER `id`;