old_contents: __author__ = 'shijianliu'
  
  host = 'http://music.liverliu.com'
  
  server_host='127.0.0.1'
  server_port=80
  
new_contents: __author__ = 'shijianliu'
  
  host = 'http://223.252.199.7'
  
  server_host='127.0.0.1'
  server_port=80
  
subject: Remove host to ip