ALTER TABLE `atg_goods` DROP `weight`;
ALTER TABLE `atg_goods` DROP `length`;
ALTER TABLE `atg_goods` DROP `width`;
ALTER TABLE `atg_goods` DROP `height`;
ALTER TABLE `atg_goods` DROP `diameter`;
ALTER TABLE `atg_goods` DROP `sold_count`;
ALTER TABLE `atg_goods` DROP `market_price`;
ALTER TABLE `atg_goods` DROP `price`;

ALTER TABLE `atg_goods` ADD COLUMN `weight` mediumint(8) UNSIGNED DEFAULT NULL COMMENT '重量';
ALTER TABLE `atg_goods` ADD COLUMN `length` mediumint(8) UNSIGNED DEFAULT NULL COMMENT '长度';
ALTER TABLE `atg_goods` ADD COLUMN `width` mediumint(8) UNSIGNED DEFAULT NULL  COMMENT '宽度';
ALTER TABLE `atg_goods` ADD COLUMN `height` mediumint(8) UNSIGNED DEFAULT NULL COMMENT '高度';
ALTER TABLE `atg_goods` ADD COLUMN `diameter` mediumint(8) UNSIGNED DEFAULT NULL COMMENT '直径';
ALTER TABLE `atg_goods` ADD COLUMN `sold_count` int(10) UNSIGNED DEFAULT NULL COMMENT '已售数量';
ALTER TABLE `atg_goods` ADD COLUMN `market_price` int(20) UNSIGNED DEFAULT NULL COMMENT '市场价';
ALTER TABLE `atg_goods` ADD COLUMN `price` int(20) UNSIGNED DEFAULT NULL COMMENT '销售价';