renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS81MDAwMTk2Ni9wcmljZV9kZXRhaWwvMTA0Njc2Lmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDE