From 089423543f766491608761dfcfc7d772e9c4363e Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Tue, 3 Mar 2020 11:20:57 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=9A=E6=97=B6=E4=BB=BB=E5=8A=A1=E7=9A=84?=
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---
 app/jobs/create_student_work_job.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/jobs/create_student_work_job.rb b/app/jobs/create_student_work_job.rb
index 1fd9a9b00..18e472b3a 100644
--- a/app/jobs/create_student_work_job.rb
+++ b/app/jobs/create_student_work_job.rb
@@ -14,7 +14,9 @@ class CreateStudentWorkJob < ApplicationJob
       student_ids = course.students.pluck(:user_id)
 
       student_ids.each do |user_id|
-        worker.add same_attrs.merge(user_id: user_id)
+        unless StudentWork.where(user_id: user_id, homework_common_id: homework.id).exists?
+          worker.add same_attrs.merge(user_id: user_id)
+        end
       end
     end
   end