click Run then copy this
C:\Windows\System32\drivers\etc\hosts
open with NotePad then copy this at the end
121.128.133.26 gwgt1.joymax.com
121.128.133.26 gwgt2.joymax.com
121.128.133.26 gwgt3.joymax.com
121.128.133.26 gwgt4.joymax.com
click File then save all