我从命令行发出命令“firebase functions：log”，收到错误：

Error: Failed to list log entries HTTP Error: 401, Request had invalid authentication credentials. Expected OAuth 2 access token, login cookie or other valid authentication credential.

我已登录到firebase，因为命令“firebase login”的响应如下：

Already logged in as [my email address]

如有任何协助，不胜感激。
谢谢