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 ''VmcFMA4yVDtRJ1JwBzgHa1c/CioMPggnDSJQewoxDWEANVIvBSNXOQN9A2hWYwNtDn5RcVc9DCVaPAB' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')