Page not found (404)

Request Method: GET
Request URL: https://palj.net/tag/%E8%92%B8%E6%B1%BD%E9%8D%8B%E7%88%90/
Raised by: django.contrib.flatpages.views.flatpage

No FlatPage matches the given query.

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.