start：run funtool or funtool -p port,default port is 5555

exit：CTRL + C

切记：不要在接收消息的时候退出

websocket：ws://127.0.0.1:5555/websocket 
http api（post)：
      http://127.0.0.1:5555/api/get_contact
      http://127.0.0.1:5555/api/get_chatroom
      http://127.0.0.1:5555/api/get_myself
      http://127.0.0.1:5555/api/send_txt（见http.js)
      http://127.0.0.1:5555/api/send_pic (见http.js)
      http://127.0.0.1:5555/api/get_nick (见http.js)
message type:
   886:anti revoke(not open)
   887:receive adn save image to path