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 ''UWABNAE9DmFRJwEjAD8EaAVtUHAMPlxzAC9XfAoxAW0DNgd6AyVUOgd5VzwCNwdpD39Xd1Y8AShfOQd' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')