diff --git a/app/jobs/homework_end_update_score_job.rb b/app/jobs/homework_end_update_score_job.rb
index 4ba4502fc..dec13cc36 100644
--- a/app/jobs/homework_end_update_score_job.rb
+++ b/app/jobs/homework_end_update_score_job.rb
@@ -22,7 +22,7 @@ class HomeworkEndUpdateScoreJob < ApplicationJob
     challenge_settings = homework.homework_challenge_settings
     myshixuns.find_each(batch_size: 100) do |myshixun|
       work = student_works.select{|work| work.user_id == myshixun.user_id}.first
-      if work && myshixun && (work.update_time.nil? || work.update_time < myshixun.updated_at)
+      if work.present? && myshixun
         games = myshixun.games.where(challenge_id: challenge_settings.pluck(:challenge_id))
         HomeworksService.new.update_myshixun_work_score work, myshixun, games, homework, challenge_settings
       end