old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from django.contrib import admin
  
  from .models import Logging
  
  
  class LoggingAdmin(admin.ModelAdmin):
      model = Logging
      raw_id_fields = ('user',)
      exclude = ('site_iid', 'site_domain')
  
  
  admin.site.register(Logging, LoggingAdmin)
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from django.contrib import admin
  
  from .models import Logging
  
  
  class LoggingAdmin(admin.ModelAdmin):
      model = Logging
      raw_id_fields = ('user',)
      exclude = ('site_iid', 'site_domain', 'mirror_site')
  
  
  admin.site.register(Logging, LoggingAdmin)
  
subject: Add field mirror_site at exclude on LoggingAdmin