错误详情如下：

node:events:368
      throw er; // Unhandled 'error' event
      ^

Error: spawn /www/vscode/vendor/modules/code-oss-dev/bin/helpers/browser.sh ENOENT
    at Process.ChildProcess._handle.onexit (node:internal/child_process:282:19)
    at onErrorNT (node:internal/child_process:477:16)
    at processTicksAndRejections (node:internal/process/task_queues:83:21)
Emitted 'error' event on ChildProcess instance at:
    at Process.ChildProcess._handle.onexit (node:internal/child_process:288:12)
    at onErrorNT (node:internal/child_process:477:16)
    at processTicksAndRejections (node:internal/process/task_queues:83:21) {
  errno: -2,
  code: 'ENOENT',
  syscall: 'spawn /www/vscode/vendor/modules/code-oss-dev/bin/helpers/browser.sh',
  path: '/www/vscode/vendor/modules/code-oss-dev/bin/helpers/browser.sh',
  spawnargs: [ 'http://192.168.21.20:12000' ]

关键错误信息

  errno: -2,
  code: 'ENOENT',

解决方案

sudo提权运行即可

sudo npm run serve