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 ''WWgBNFFtAm0MelFzAT4CblM7BiYHNQolW3RQewM4AW1YbQF8BCIGaFAuA2gJPABuA3MFJVM5CiMIbgB' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')