小型局域网聊天软件，带服务器，适合一二十人使用。 也可以在互联网上使用，只要服务器有静态的IP。 使用无阻塞方式，数据可能会不同步。-Small LAN chat software, with the server, suitable for ten to twenty people. You can also use the Internet as long as the server has a static IP. The use of non-blocking mode, t