renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS81MDAwMDAyOS9wcmljZV9kZXRhaWwvMTMwNjE2Lmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDI