diff --git a/app/libs/limit_forbid_control/competition_api_score.rb b/app/libs/limit_forbid_control/competition_api_score.rb
index 14604738..f933cc56 100644
--- a/app/libs/limit_forbid_control/competition_api_score.rb
+++ b/app/libs/limit_forbid_control/competition_api_score.rb
@@ -7,7 +7,7 @@ class LimitForbidControl::CompetitionApiScore < LimitForbidControl::Base
   end
 
   def allow_times
-    EduSetting.get('daily_api_score_times').presence || 3
+    EduSetting.get('daily_api_score_times').presence.to_i || 3
   end
 
   def forbid_expires