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 ''UWADNlZqDmEFcwspU2wAbA5mBCRRYwwjDCMAK1BrBGgANQ9yACYEagxyCmEEMVY4UyMDIwFrX3ZYPgB' at line 1]
insert into demo_cookie(userid,cookies) values(,'UWADNlZqDmEFcwspU2wAbA5mBCRRYwwjDCMAK1BrBGgANQ9yACYEagxyCmEEMVY4UyMDIwFrX3ZYPgBqVDoBIlFsA1NWJg4+BWQLeFNtACcOZgQ2UToMdAxyAGRQdwQ/AGcPOgAmBDAMZQo/BHNWZ1NyA3IBcl8+WHcAZVQwATpRIwMuVmkOKAUyC29TbAB2DjkEa1FhDD8MPAB9UD8EdgBqDzAAPgRzDCMKYARyVjhTOAM7AXJfcFh3ADpUcgFfUXUDdVYiDj4FKgthUyUAbg5tBDxRIgxmDHIAZFB3BD8AZw86ACYEJAxyCj4Ec1ZdU2gDZQFyXz5YdwBlVDEBOlEjAzxWcA5gBXsLYFNvAG4OfgRzUXMMMwwiAABQdgRqADwPZQAmBGoMcgphBDBWOFMjAzEBcl8+WHcAZVQxATFROwMuViIOKQVnCz5TIwA3DigEb1FuDDAMPwB9UD8EZABqDzEAPgQqDGgKYQQ5VjpTMQMxAWtfZFg+AG5UMwE6UXoDf1ZoDmkFMgt4Uz8AMA5+BD1RcwxsDGIAZVAmBD0AaA8iAD8EIgw7CmkEO1YgU3IDbwFyXz5YdwBlVDABOlEjAy5WaQ4oBTILY1NsAHYOPwRuUWEMOAw+ADpQaARMADQPIgA/BCIMOwpoBDtWIFM0AzUBYF8nWD8ALFQ6ATVROwMuViYOMgV8CzZTMwB2DmcEdVE6DGUMYQBlUCYETQBlDzUAPARxDCEKewTkVpFTuwPlAelftljiAPBUjQHnUY0Dpla7Dt4FhQu/U8YA3A61BKNRsgywDMYAxlAmBD4AIw86ADwEawwjCigEbFZjU20DbQEAX2xYZwB9VDsBc1E7Az9Wag5hBSoLdVMjACQOMARpUWEMMgx/AG1QNAQ0AGYPMAAzBH4McgoEBDNWMlMwAzcBYF8yWDUAbVQwAThRNAM/VmIOYgU6C2hTZgB6DiwEaFFnDHQMawAsUD4ENgBqDyIAagQkDGwKeQQ6VnFTOwMwAWpfJ1g1AH1UOwFzUTsDOFZoDnkFbAs7Uy8AJw5+BD1RaQxsDGEAZFB3BD8AZQ86ACYEIgx1CiIEbVZnUyMDOgEeXz5YdwBlVDcBOlEjA39WJg4iBWQLP1MfADAOfgQ9UWkMbAxgAGRQdwQ/AGUPOgAmBDIMbgo3BG5WcFMjAzoBHl8+WHcAZVQ3ATpRIwNvVj0ONwVnCyhTHwAwDn4EPVFpDGwMYABkUHcEPwBhDzEAPgRzDHEKKQRkVmRTZANzAQBfd1htADxUZQEiUToDf1ZoDm8FMgt4U2YAeg5sBDZRIgxtDCMAZVAzBD8Acg95AHEEMAxvCjEEaFZjUyMDOgEjXz9YMABlVCIBMFEvAzxWYg55BTMLJ1MrACk=')