后续可能还会进行扩展：局域网内数据同步功能，数据中继远程系统互联机制，本地系统同时连接多个远程中继，消息内容格式扩展等。

使用教程

客户端
路由器
服务端

安装包

1.关于密码学
2.系统描述
3.业务消息
4.数据存储

• https://oxo-chat-server.com

• wss://ru.oxo-chat-server.com

I would like to point a subdomain to your ip, if you want to provide service for the public.
You could create a issue to submit your ip and other info of your server.
You could use servers other people provided to contact you friends.
Or you could setup your own server just for your friends.

• install node environment, must be v10.11.0
  $ node -v
  v10.11.0

• install dependencies, compile sqlite for electron
  $ npm install
  $ npm run sqlite3
  $ cd dist
  $ npm install
  $ npm run sqlite3

• test
  $ npm run test

• build
  $ npm run build