1. 项目根目录下 mkdir .vscode
2. cd .vscode
3. touch launch.json
4. launch.json 配置

{
    "version": "0.2.0",
    "configurations": [
      {
        "type": "node",
        "request": "launch",
        "name": "Launch Program",    //任务名称
        "program": "${workspaceRoot}/server.js"   // 启动入口
      },
      {
        "type": "node",
        "request": "attach",
        "name": "Attach to Port",
        "address": "localhost",
        "port": 8867
      }
    ]
}