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 ''UWAANQ8zBWoCdAspAzwFaQJqBycDMVp1X3BTeAA7Uj5YbVMuUXcBb1AuCmEANQJsD38BIVc9X3YMalQ' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')