调整

app/helpers/application_helper.rb

@@ -6602,7 +6602,7 @@ def update_shixun_work_status homework
   myshixuns.each do |myshixun|
     work = student_works.where(:user_id => myshixun.user_id).first
     member = homework.course.members.find_by_user_id(work.user_id)
-    setting_time = homework_group_setting homework, member.try(:course_group_id)
+    setting_time = homework_group_setting homework, member.try(:course_group_id).to_i
     games = myshixun.games.where(:challenge_id => challeng_ids)
     myshixun_endtime = games.select{|game| game.status == 2}.size == games.size ? games.map(&:end_time).max : nil
     compelete_status = 0
@@ -7254,11 +7254,9 @@ end
 
 # 作业的分班设置时间
 def homework_group_setting homework, group_id
-  setting = nil
+  setting = homework
-  if homework.homework_group_settings.where(:course_group_id => group_id).first
+  if homework.homework_group_settings.where(:course_group_id => group_id).first.present?
     setting = homework.homework_group_settings.where(:course_group_id => group_id).first
-  else
-    setting = homework
   end
   setting
 end