diff --git a/lib/tasks/poll_publish.rake b/lib/tasks/poll_publish.rake
index d10db7a5d..48c289050 100644
--- a/lib/tasks/poll_publish.rake
+++ b/lib/tasks/poll_publish.rake
@@ -111,28 +111,48 @@ namespace :poll_publish do
   end
 
   task :end => :environment do
-    polls = Poll.includes(:poll_users).where("polls_status = 2 and unified_setting = 1 and end_time <=?",Time.now)
+
+    #1.统一设置的截止
+    polls = Poll.includes(:poll_users).where("polls_status = 2 AND unified_setting = true AND end_time <=?",Time.now + 900)
     polls.each do |poll|
-      poll.update_attributes(:polls_status => 3)
+      poll.update_column('polls_status', 3)
       poll.poll_users.each do |poll_user|
-        if poll_user.commit_status == 0 && !poll_user.start_at.nil?
+        if poll_user.commit_status == 0 && poll_user.start_at.present?
           poll_user.update_attributes(:commit_status => 1, :end_at => Time.now)
         end
       end
     end
 
-    PollGroupSetting.where("end_time < ? and end_time > ?", Time.now + 1800, Time.now - 1800).each do |poll_setting|
+    #2.分班设置的截止
+    polls = Poll.includes(:poll_users).where("polls_status = 2 AND unified_setting = false AND end_time > ?",Time.now + 900)
+    poll_ids = polls.blank? ? "(-1)" : "(" + polls.map(&:id).join(",") + ")"
+    polls_group_settings = PollGroupSetting.where("end_time <= '#{Time.now}' and poll_id in #{poll_ids}")
+    polls_group_settings.each do |poll_setting|
       poll = poll_setting.poll
-      poll.update_column('polls_status',3)
-
+      if poll&.end_time <= Time.now
+        poll.update_column('polls_status', 3)
+      end
       users = poll.course.course_members.where(:course_group_id => poll_setting.course_group_id)
       poll_users = poll.poll_users.where(:user_id => users.map(&:user_id))
-
       poll_users.each do |poll_user|
         if poll_user.commit_status == 0 && !poll_user.start_at.nil?
           poll_user.update_attributes(:commit_status => 1, :end_at => Time.now)
         end
       end
     end
+
+    # PollGroupSetting.where("end_time < ? and end_time > ?", Time.now + 1800, Time.now - 1800).each do |poll_setting|
+    #   poll = poll_setting.poll
+    #   poll.update_column('polls_status',3)
+    #
+    #   users = poll.course.course_members.where(:course_group_id => poll_setting.course_group_id)
+    #   poll_users = poll.poll_users.where(:user_id => users.map(&:user_id))
+    #
+    #   poll_users.each do |poll_user|
+    #     if poll_user.commit_status == 0 && !poll_user.start_at.nil?
+    #       poll_user.update_attributes(:commit_status => 1, :end_at => Time.now)
+    #     end
+    #   end
+    # end
   end
 end