打开 C:WindowsSystem32driversetc 这个文件夹，里面有一个文件名为“hosts”的文件，无扩展名，右键——打开，用记事本打开它。
127.0.0.1 atm.youku.com
127.0.0.1 Fvid.atm.youku.com
127.0.0.1 html.atm.youku.com
127.0.0.1 valb.atm.youku.com
127.0.0.1 valf.atm.youku.com
127.0.0.1 valo.atm.youku.com
127.0.0.1 valp.atm.youku.com
127.0.0.1 lstat.youku.com
127.0.0.1 speed.lstat.youku.com
127.0.0.1 urchin.lstat.youku.com
127.0.0.1 stat.youku.com
127.0.0.1 static.lstat.youku.com
127.0.0.1 valc.atm.youku.com
127.0.0.1 vid.atm.youku.com
127.0.0.1 walp.atm.youku.com
127.0.0.1 Fvid.atm.youku.com
127.0.0.1 html.atm.youku.com
127.0.0.1 valb.atm.youku.com
127.0.0.1 valf.atm.youku.com
127.0.0.1 valo.atm.youku.com
127.0.0.1 valp.atm.youku.com
127.0.0.1 lstat.youku.com
127.0.0.1 speed.lstat.youku.com
127.0.0.1 urchin.lstat.youku.com
127.0.0.1 stat.youku.com
127.0.0.1 static.lstat.youku.com
127.0.0.1 valc.atm.youku.com
127.0.0.1 vid.atm.youku.com
127.0.0.1 walp.atm.youku.com