json.setting do
  setting = @laboratory.laboratory_setting

  json.name setting.name || default_setting.name
  json.nav_logo_url (setting.nav_logo_url || default_setting.nav_logo_url)&.[](1..-1)
  json.login_logo_url (setting.login_logo_url || default_setting.login_logo_url)&.[](1..-1)
  json.tab_logo_url (setting.tab_logo_url || default_setting.tab_logo_url)&.[](1..-1)

  json.subject_banner_url (setting.subject_banner_url || default_setting.subject_banner_url)&.[](1..-1)
  json.shixun_banner_url (setting.shixun_banner_url || default_setting.shixun_banner_url)&.[](1..-1)
  json.course_banner_url (setting.course_banner_url || default_setting.course_banner_url)&.[](1..-1)
  json.competition_banner_url (setting.competition_banner_url || default_setting.competition_banner_url)&.[](1..-1)
  json.moop_cases_banner_url (setting.moop_cases_banner_url || default_setting.moop_cases_banner_url)&.[](1..-1)
  json.oj_banner_url (setting.oj_banner_url || default_setting.oj_banner_url)&.[](1..-1)

  json.navbar setting.navbar || default_setting.navbar

  json.footer setting.footer || default_setting.footer

  json.main_site current_laboratory.main_site?
end