renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS81MDAwNTI1Ni9wcmljZV9kZXRhaWwvMTM0ODQyLmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDE