ALTER TABLE `bns_cloud_material`.`purchase_macode_info` ADD COLUMN `out_fac_code` varchar(90) NULL COMMENT '出厂编号' AFTER `del_flag`, ADD COLUMN `qr_url` varchar(255) NULL COMMENT '二维码路径url' AFTER `out_fac_code`; ALTER TABLE `bns_cloud_material`.`purchase_check_details` ADD COLUMN `is_download` int NULL DEFAULT 0 COMMENT '是否下载二维码(0 否, 1 是)' AFTER `del_flag`;