renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS8xMDAxMzYwNjcvcHJpY2VfZGV0YWlsLzEzNTQyMC5odG1sP2xlYWRzX3NvdXJjZT1wMDQwMDAy