Page not found (404)

Request Method: GET
Request URL: https://palj.net/tag/%E5%A4%9A%E6%AE%B5%E5%BC%8F%E4%B8%8D%E9%8A%B9%E9%8B%BC%E6%8F%9B%E7%86%B1%E5%99%A8/
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.