host
127.0.0.1 hub5btmain.sandai.net
127.0.0.1 hub5emu.sandai.net
127.0.0.1 upgrade.xl9.xunlei.com

domain:hub5btmain.sandai.net,
domain:hub5emu.sandai.net,
domain:upgrade.xl9.xunlei.com