Missing section title for http://localhost:1313/posts/

[xuanswe]

Does anyone know how to show the information like the screenshots below.
I tried with the latest release tag v0.3.0 and with the latest commit in master branch.
Thank you in advanded!

This is what I see in the example site:

And this is my local site:

[xuanswe]

Found the reason:

I changed from defaultContentLanguage: 'en-us' to defaultContentLanguage: 'en'.