# wangjiang -- 是否显示二维码 ALTER TABLE `service_platform`.`ac_activity_detail` ADD COLUMN `is_qrcode_show` varchar(2) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '1' COMMENT '是否显示二维码(1是,0否),默认显示' AFTER `is_review`, DROP PRIMARY KEY, ADD PRIMARY KEY (`id`) USING BTREE;