renderServer don't support Extension,don't deal with /link.php?url=aHR0cDovL2RlYWxlci5iaXRhdXRvLmNvbS8zODAxMDA5L3ByaWNlX2RldGFpbC8xMjgwOTcuaHRtbD9sZWFkc19zb3VyY2U9cDA0MDAwMg