Home href invalid when build with dirhtml option

[songouyang]

Example

Build result

home href is #, the home link (href) in the generated HTML files is invalid. It seems to point to the wrong location.

[sarina]

It seems like this example page has been updated: https://sphinx-notfound-page.readthedocs.io/en/latest/who-is-using-it.html

Example 404 Not Found page
https://docs.readthedocs.io/en/stable/not/found.html