ALTER TABLE `cy_action` ADD `delete_time` INT(10) NULL DEFAULT NULL COMMENT 'ɾʱ䣨ɾ' AFTER `update_ip`, ADD `delete_uid` INT(10) NOT NULL COMMENT 'ɾû id' AFTER `delete_time`, ADD `delete_ip` BIGINT(11) NOT NULL COMMENT 'ɾ ip' AFTER `delete_uid`;