ALTER TABLE `n_sensor`
ADD COLUMN `ip` VARCHAR(45) NULL AFTER `order_num`,
ADD COLUMN `port` INT NULL AFTER `ip`,
ADD COLUMN `username` VARCHAR(45) NULL AFTER `port`,
ADD COLUMN `passwd` VARCHAR(45) NULL AFTER `username`;

CREATE TABLE `thermal_config` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `type_id` int(11) DEFAULT NULL COMMENT '类型id',
  `maxtemp` varchar(45) DEFAULT NULL,
  `mintemp` varchar(45) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;