这是一套非常简单的站内聊天通讯联络系统，类似于站内传呼机，主要功能还是实现单消息的传送，系统只有4个文件，代码量小，功能尚可。

-This is a very simple station chat communications system, pager similar to the station to your place, the main function is to achieve a single message transmission system only four documents, the small amount of code, functionality is acceptable.