我认为文档中没有它，但是访问chrome://favicon/需要在清单中具有特殊权限"chrome://favicon/".

I don't think it's anywhere in the docs, but accessing chrome://favicon/ needs a special permission "chrome://favicon/" in the manifest.

请注意:

• 将来可能会更改. li>
• chrome://favicon是并非完全可靠.

• This may change in the future.
• chrome://favicon is not entirely reliable.