ALTER TABLE `f_threads`
ADD COLUMN `thick`int(11) NULL DEFAULT NULL COMMENT '厚度' AFTER `status`,
ADD COLUMN `height`int(11) NULL DEFAULT NULL COMMENT '高' AFTER `thick`,
ADD COLUMN `width`int(11) NULL DEFAULT NULL COMMENT '宽' AFTER `height`,
ADD COLUMN `outer_d`int(11) NULL DEFAULT NULL COMMENT '外径' AFTER `width`,
ADD COLUMN `inner_d`int(11) NULL DEFAULT NULL COMMENT '内径' AFTER `outer_d`,
ADD COLUMN `arm_width`int(11) NULL DEFAULT NULL COMMENT '臂宽' AFTER `inner_d`,
ADD COLUMN `arm_thick`int(11) NULL DEFAULT NULL COMMENT '臂厚' AFTER `arm_width`,
ADD COLUMN `size`int(11) NULL DEFAULT NULL COMMENT '圈口' AFTER `arm_thick`,
ADD COLUMN `inlay`tinyint(3) NULL DEFAULT 0 COMMENT '镶嵌' AFTER `size`,
ADD COLUMN `carving`tinyint(3) NULL DEFAULT 0 COMMENT '雕刻' AFTER `inlay`,
ADD COLUMN `price`decimal(10,2) NOT NULL DEFAULT 0.00 COMMENT '价格' AFTER `carving`,
ADD COLUMN `taobao`varchar(255) NULL DEFAULT NULL COMMENT '淘宝链接' AFTER `price`