diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index 6b2cd21ed..86f555daa 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -161,6 +161,14 @@ class HomeworkCommonController < ApplicationController
   #关闭匿评
   def stop_anonymous_comment
     @homework_detail_manual.update_column('comment_status', 3)
+
+    work_ids = "(" + @homework.student_works.map(&:id).join(",") + ")"
+    @homework.student_works.each do |student_work|
+      absence_penalty_count = student_work.user.student_works_evaluation_distributions.where("student_work_id IN #{work_ids}").count - student_work.user.student_works_scores.where("student_work_id IN #{work_ids}").count
+      student_work.absence_penalty = absence_penalty_count > 0 ? absence_penalty_count * @homework_detail_manual.absence_penalty : 0
+      student_work.save
+    end
+
     respond_to do |format|
       format.js
     end