最近重新開始electron開發，兩三年前寫的代碼幾乎看不懂了。。然后debug一下，直接報錯了：

Debugger listening on ws://127.0.0.1:20793/d146ffdb-c3b8-4480-a8d8-d04bb643c7c1
For help, see: https://nodejs.org/en/docs/inspector
Error in debuggerConnector: connect ECONNREFUSED ::1:20792
Error: connect ECONNREFUSED ::1:20792at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1555:16)
Debugger listening on ws://127.0.0.1:20797/a813ad62-fbcf-4d73-9168-4b4fcb966476
For help, see: https://nodejs.org/en/docs/inspector
Error in debuggerConnector: connect ECONNREFUSED ::1:20792
Error: connect ECONNREFUSED ::1:20792at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1555:16)
Debugger listening on ws://127.0.0.1:20806/b30363a0-541f-49a8-815d-316d80320ad8
For help, see: https://nodejs.org/en/docs/inspector

根本沒法debug了。。。

網上各種搜索，各種折騰都用上了，都拿他沒辦法，后來想到跟node有關，而node版本我又換了n次。故直接使用nvm安裝以前的舊版本。

nvm install 12.18.4
nvm use 12.18.4
node -v
npm -v

一番操作，debug又可以用了，非常棒！