diff --git a/app/helpers/api_helper.rb b/app/helpers/api_helper.rb
index ac0357f53..96966150c 100644
--- a/app/helpers/api_helper.rb
+++ b/app/helpers/api_helper.rb
@@ -158,7 +158,7 @@ module ApiHelper
     if homework_eva_task_num == 0
       0
     else
-     ( homework_eva_completed_task_num /  homework_eva_task_num.to_f * 100 ) .round(2)
+     ( homework_eva_completed_task_num /  homework_eva_task_num.to_f * 100 ) .round(1)
     end
 
   end