这是一款类似于QQ的小软件，服务器和客户端是分开的，用户可以再一台机器上登录服务端作为服务器，然后在另一台机器登录客户端，来向服务端发送消息。-This is a little similar to QQ software, server and client are separated, the user can log on the server as a server on another machine, and then log the client in another machin