old_contents: from django.conf import settings
  from django.conf.urls import url, include
  from django.conf.urls.static import static
  from django.contrib import admin
  
  from django.views.generic import TemplateView
  
  from wagtail.wagtailadmin import urls as wagtailadmin_urls
  from wagtail.wagtailcore import urls as wagtail_urls
  
  
  urlpatterns = []
  
  if settings.DEBUG:
      urlpatterns += [
          url(r'^blog/$', TemplateView.as_view(template_name='blog_base.html')),
          url(r'^404/$', TemplateView.as_view(template_name='404.html')),
          url(r'^500/$', TemplateView.as_view(template_name='500.html')),
      ]
  
  urlpatterns += [
      # django
      url(r'^django-admin/', admin.site.urls),
  
      # wagtail
      url(r'^admin/', include(wagtailadmin_urls)),
      url(r'', include(wagtail_urls)),
  ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
new_contents: from django.conf import settings
  from django.conf.urls import url, include
  from django.conf.urls.static import static
  from django.contrib import admin
  
  from django.views.generic import TemplateView
  
  from wagtail.wagtailadmin import urls as wagtailadmin_urls
  from wagtail.wagtailcore import urls as wagtail_urls
  
  
  urlpatterns = []
  
  if settings.DEBUG:
      urlpatterns += [
          url(r'^blog/$', TemplateView.as_view(template_name='blog/blog_index.html')),
          url(r'^404/$', TemplateView.as_view(template_name='404.html')),
          url(r'^500/$', TemplateView.as_view(template_name='500.html')),
      ]
  
  urlpatterns += [
      # django
      url(r'^django-admin/', admin.site.urls),
  
      # wagtail
      url(r'^admin/', include(wagtailadmin_urls)),
      url(r'', include(wagtail_urls)),
  ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
subject: update the blog template url