我正在尝试托管我的网站，我从我的旧帐户注销并登录到新帐户，它要求更新firebase，然后我尝试更新，然后将其更新为npm，然后这样做，但是我无法继续，因为它显示在错误下方
What do you want to use as your public directory? youqq
? Configure as a single-page app (rewrite all urls to /index.html)? Yes
? File youqq/index.html already exists. Overwrite? Yes
✔ Wrote youqq/index.html
i Writing configuration info to firebase.json...
Error: An unexpected error has occurred.
ubuntu 14.04 lts
节点-v v7.6.0
npm -v 6.2.0
firebase -V 4.0.0