renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL3Jld3JpdGUuZGFpa3Vhbi5jb20vP3JldHVybnVybD13d3cudGFvY2hlLmNvbS9idXljYXIvcGc2ZXNieGNkemEvP2Zyb209MTY4NjMzNg