renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS8yNzAyMTEwNC9wcmljZV9kZXRhaWwvMTE0OTM1Lmh0bWw,bGVhZHNfc291cmNlPXAwNDAwMDE