数据库错误: [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 'order by id desc limit 1' at line 1]
select cookies from demo_cookie where userid= order by id desc limit 1

数据库错误: [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]
delete from demo_cookie where userid=

数据库错误: [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 ''UGEANQI+VDsEcgEjAzxWOlc/VXVXZVt0CSYHLFZtAW0ANQJ/BiBXOQZ4UDsHMlY4VCQKKlY8DicPaV4' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')