File list (Check if you may need any files):
聊天器
......\.classpath
......\.project
......\bin
......\...\ChatServer$1.class
......\...\ChatServer.class
......\...\Help$1.class
......\...\Help.class
......\...\Node.class
......\...\PortConf$1.class
......\...\PortConf$2.class
......\...\PortConf$3.class
......\...\PortConf.class
......\...\ServerListen.class
......\...\ServerReceive.class
......\...\UserLinkList.class
......\src
......\...\ChatServer.java
......\...\Help.java
......\...\Node.java
......\...\PortConf.java
......\...\ServerListen.java
......\...\ServerReceive.java
......\...\UserLinkList.java