old_contents: __author__ = 'shijianliu'
  
  host = 'http://music.liverliu.com'
  
  server_host='127.0.0.1'
  server_port=9999
  
new_contents: __author__ = 'shijianliu'
  
  host = 'http://music.liverliu.com'
  
  server_host='127.0.0.1'
  server_port=80
  
subject: Change server port