diff --git a/app/views/settings/show.json.jbuilder b/app/views/settings/show.json.jbuilder
index 1027be670..3686c58c8 100644
--- a/app/views/settings/show.json.jbuilder
+++ b/app/views/settings/show.json.jbuilder
@@ -36,7 +36,7 @@ json.setting do
 
   json.subject_banner_url default_setting.subject_banner_url&.[](1..-1)
   json.course_banner_url default_setting.course_banner_url&.[](1..-1)
-  json.competition_banner_url default_setting.competition_banner_url&.[](1..-1)
+  json.competition_banner_url EduSetting.get("competition_banner_url").to_s
   json.moop_cases_banner_url default_setting.moop_cases_banner_url&.[](1..-1)
   json.oj_banner_url default_setting.oj_banner_url&.[](1..-1)