renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS81MDAwNTIwNS9wcmljZV9kZXRhaWwvMTM0MzA3Lmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDI