中国专利局关于废止《关于缴纳第一次年费的补充办法》的通知_专利法法规_数据查询出错，错误信息已记录，<br>并反馈给管理员。请返回重试！<br>select * from demo_product_type2 where id=<br><br>You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 (1064)