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 ''ADEANQQ4BGsNe1d1VmlfM1U9V3dRYwEuWHdUfwM4BmoEMVUoBCIDbQV7Vj0DNlI8UCBWdlE7DCUOaF4' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')