Theia/node_modules/electron: Command failed

Site Feedback
#1

I tried Quick Start in https://github.com/eclipse-theia/theia/blob/master/doc/Developing.md#quick-start , but the terminal reports an error.
What do I need to install in advance, please?
I want to preview ‘theia’ in my browser

error /Users/sally/Documents/theia/node_modules/electron: Command failed.
Exit code: 1
Command: node install.js
Arguments:
Directory: /Users/sally/Documents/theia/node_modules/electron
Output:
RequestError: connect ETIMEDOUT 20.205.243.166:443
    at ClientRequest.<anonymous> (/Users/sally/Documents/theia/node_modules/electron/node_modules/got/source/request-as-event-emitter.js:178:14)
    at Object.onceWrapper (node:events:510:26)
    at ClientRequest.emit (node:events:402:35)
    at ClientRequest.origin.emit (/Users/sally/Documents/theia/node_modules/electron/node_modules/@szmarczak/http-timer/source/index.js:37:11)
    at TLSSocket.socketErrorListener (node:_http_client:447:9)
    at TLSSocket.emit (node:events:390:28)
    at emitErrorNT (node:internal/streams/destroy:157:8)

node: v16.13.0
yarn: 1.22.19
macOS Monterey: v12.3.1

#2

抱歉，打扰了，问题已解决，我的 vpn 有问题

#3

抱歉，打扰了，问题已解决，我的 vpn 有问题

Translated: “Sorry to bother you, problem solved, I had a problem with my vpn.”