renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS81MDAwMTk3OS9wcmljZV9kZXRhaWwvMTMxMjYyLmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDE