课程地址：零声学院 WebRTC入门与提高 https://ke.qq.com/course/435382?tuin=137bb271

技术支持QQ群：782508536

下载和安装

https://github.com/fengli12321/Socket.io-FLSocketIM-Server

执行报错：
Error: Cannot find module 'express'

npm install redis

Error: Cannot find module 'body-parser'
npm install body-parser

Error: Cannot find module 'express-session'
npm install express-session

Error: Cannot find module 'socket.io'
npm install socket.io

Error: Cannot find module 'mongoose'
npm install mongoose

Error: Cannot find module 'formidable'
npm install formidable

npm install timeout-callback

/root/FLSocketIM/Socket.io-FLSocketIM-Server/node_modules/_timeout-callback@2.0.2@timeout-callback/index.js:22
options = { ...defaultOptions, ...options };
^^^
SyntaxError: Unexpected token ...

npm install mocha