diff --git a/app/views/settings/show.json.jbuilder b/app/views/settings/show.json.jbuilder
index ede9a2ed8..e53aa0d1e 100644
--- a/app/views/settings/show.json.jbuilder
+++ b/app/views/settings/show.json.jbuilder
@@ -1,20 +1,23 @@
 json.setting do
-  setting = @laboratory.laboratory_setting
+  if @laboratory.present?
+    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.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.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.subject_banner_url (setting.subject_banner_url || default_setting.subject_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.navbar setting.navbar || default_setting.navbar
+    json.footer setting.footer || default_setting.footer
+
+    json.main_site current_laboratory.main_site?
+  end
 
-  json.footer setting.footer || default_setting.footer
 
-  json.main_site current_laboratory.main_site?
 end
\ No newline at end of file