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 ''AzIBNFFtUj0AdlZ0VmkHawZuASENPwwjDSIEL1ZtUDxUYQZ7VXMDbVIsC2AGM18xA3NScg1nDSQLbVQ' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')