diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index 596775045..3c0469e9b 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -587,6 +587,14 @@ class StudentWorkController < ApplicationController
       if Time.parse(@homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(Time.now.to_s).strftime("%Y-%m-%d")
         student_work.late_penalty = @homework.late_penalty
         student_work.work_status = 2
+        # 缺评扣分
+        if @homework.homework_detail_manual.no_anon_penalty == 0 && @homework.homework_detail_manual.comment_status == 3 && @homework.anonymous_comment == 0
+          work_ids = "(" + @homework.student_works.has_committed.map(&:id).join(",") + ")"
+          all_dis_eva = StudentWorksEvaluationDistribution.where("student_work_id IN #{work_ids}")
+          has_sw_count = all_dis_eva.select("distinct user_id").count
+          anon_count = all_dis_eva.count / has_sw_count
+          student_work.absence_penalty = @homework.homework_detail_manual.absence_penalty * anon_count
+        end
       else
         student_work.late_penalty = 0
         student_work.work_status = 1
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index da7cfd849..93ae61d6a 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -1186,10 +1186,18 @@ class UsersController < ApplicationController
     student_work = StudentWork.where(homework_common_id: homework.id, user_id: User.current.id).first
     if student_work
 
-      #提交作品时，计算是否迟交
+      # 提交作品时，计算是否迟交
       if Time.parse(homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(Time.now.to_s).strftime("%Y-%m-%d")
         student_work.late_penalty = homework.late_penalty
         student_work.work_status = 2
+        # 缺评扣分
+        if homework.homework_detail_manual.no_anon_penalty == 0 && homework.homework_detail_manual.comment_status == 3 && homework.anonymous_comment == 0
+          work_ids = "(" + homework.student_works.has_committed.map(&:id).join(",") + ")"
+          all_dis_eva = StudentWorksEvaluationDistribution.where("student_work_id IN #{work_ids}")
+          has_sw_count = all_dis_eva.select("distinct user_id").count
+          anon_count = all_dis_eva.count / has_sw_count
+          student_work.absence_penalty = homework.homework_detail_manual.absence_penalty * anon_count
+        end
       else
         student_work.late_penalty = 0
         student_work.work_status = 1