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 ''UWAANVNvBWoAdlZ0Aj1SPgdvCipWZA8gCCdUfwM4Am4ANQ9yAiRXOQZ4AmkFMFA+VCQBIVY8X3YBZwd' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')