该系统实现了用户之间的点对点单人聊天，在线用户之间的群聊。为了加强之间的信息交流，还实现了用户之间文件传输、语音聊天。在客户端和服务器端都可以查看历史消息、保存消息、清空消息。为了监控用户之间的状态，服务器还可以实现踢掉用户的功能，同时用户时间文件传输的信息都会在服务器上显示。-The system enables a user to point between the single chat, online user group chat. In order to strengthen the exchange of information between users, also realize the file transfer, voice chat. The client and server can view history information, preservation, empty news news. In order to monitor the user state, server can also realize the function of the user at the same time out, time of user file transmission information will be on the server.