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 ''AjMOO1RoB2gEclZ0AT5TP1Q8VXUFNwwjDiFTeFFqAW1YbQ5zVHJTPQV7BW4BNFI8AnIEJFE7CSBYPlc' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')