renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS81MDAwMTUxMS9wcmljZV9kZXRhaWwvMTI4MTMzLmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDI