服务器端采用mysql数据库

客户端和服务器的通讯采用UDP协议，并具有超时重发、重复性检验等安全机制

客户端之间的通讯采用TCP协议

可传输消息和文件

在本地存储好友信息、分组信息、（系统）消息。-server using mysql database client and server communications using UDP, with overtime and re-issued, repetitive inspection security mechanism between the client communications can be used TCP transmission of information and documents stored in local friends Information, a message that (system) information.