renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS81MDAwMDQ4Ny9wcmljZV9kZXRhaWwvMTE1MTM3Lmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDE