diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 66682e30f..65f8f5ff9 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -50,9 +50,11 @@ class CoursesController < ApplicationController
     order_str = @order != "course_members_count" && @order != "created_at" ? "updated_at" : @order
 
     if @order == "all"
-      # @course = Course.where(is_delete: 0, is_hidden: 0).find_by_sql("select c.name, c.id, s.name, u.last_name from
-      #                       courses c, users u, user_extensions ue, schools s where c.is_delete=0 and c.tea_id=u.id and
-      #                       u.id=ue.user_id and ue.school_id=s.id limit 10;")
+      # @course = Course.where(is_delete: 0, is_hidden: 0).select("select c.name, c.id, s.name, u.login, ifnull(concat(u.lastname,u.firstname),
+      #                        u.login), s.name from courses c, users u, user_extensions ue, schools s where c.is_delete=0 and
+      #                        c.tea_id=u.id and u.id=ue.user_id and ue.school_id=s.id")
+
+      # @courses = Course.where(is_delete: 0, is_hidden: 0).includes([teacher: :user_extension], :school)
 
       @courses = Course.where(is_delete: 0, is_hidden: 0).select("courses.id, courses.tea_id, courses.name, courses.exercises_count, courses.polls_count,
                        courses.is_public, courses.is_end, courses.visits, courses.course_members_count,courses.homework_commons_count,(SELECT MAX(created_at)
diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index a18292047..762c12797 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -431,7 +431,9 @@ class ExercisesController < ApplicationController
     ActiveRecord::Base.transaction do
       begin
         error_count = 0   # 判断循环里是否有已发布/已截止的，且时间更改了的分班。
-        course_group_ids = @course.teacher_course_group_ids(current_user.id)  #当前老师的班级id数组
+        # course_group_ids = @course.teacher_course_group_ids(current_user.id)  #当前老师的班级id数组
+        course_group_ids = @course.charge_group_ids(current_user)  #当前老师的班级id数组
+
         exercise_status = @exercise.get_exercise_status(current_user.id)
 
         if exercise_status == 1 && (course_group_ids - [0]).count > 0 # 试卷未发布，且老师的分班大于1 ，才可以修改统一设置，否则按试卷默认的来处理
@@ -695,13 +697,15 @@ class ExercisesController < ApplicationController
             if ex_status == 1  #如果试卷存在已发布的，或者是已截止的，那么则直接跳过
               g_course = params[:group_ids]  #表示是否传入分班参数,如果传入分班的参数，那么试卷的统一设置需修改
               if g_course
-                course_groups = @course.teacher_course_groups.get_user_groups(current_user.id)
+                # course_groups = @course.teacher_course_groups.get_user_groups(current_user.id)
+                #
+                # if course_groups.blank?
+                #   user_course_groups = @course.course_groups.present? ?  @course.course_groups.pluck(:id) : []
+                # else
+                #   user_course_groups = course_groups.pluck(:course_group_id).reject(&:blank?).uniq
+                # end
+                user_course_groups = @course.charge_group_ids(current_user)
 
-                if course_groups.blank?
-                  user_course_groups = @course.course_groups.present? ?  @course.course_groups.pluck(:id) : []
-                else
-                  user_course_groups = course_groups.pluck(:course_group_id).reject(&:blank?).uniq
-                end
 
                 if g_course.map(&:to_i).sort == user_course_groups.sort   # 如果是设置为全部班级，则试卷不用分组，且试卷设定为统一设置,否则则分组设置
                   exercise.exercise_group_settings.destroy_all
@@ -1505,13 +1509,14 @@ class ExercisesController < ApplicationController
   def get_user_permission_course(exercise_ids,status)
     exercise_status = status.to_i #传入的试卷发布状态
     unpublish_group = []
-    g_course_ids = @course.teacher_course_groups.get_user_groups(current_user.id).pluck(:course_group_id).reject(&:blank?).uniq  #当前用户有权限的分班
-    #用户的班级，理论上用户的班级要大于等于试卷设置的班级
-    if g_course_ids.blank? || g_course_ids.include?(0)
-      user_groups_id = @course.course_groups.pluck(:id)
-    else
-      user_groups_id = g_course_ids
-    end
+    # g_course_ids = @course.teacher_course_groups.get_user_groups(current_user.id).pluck(:course_group_id).reject(&:blank?).uniq  #当前用户有权限的分班
+    # #用户的班级，理论上用户的班级要大于等于试卷设置的班级
+    # if g_course_ids.blank? || g_course_ids.include?(0)
+    #   user_groups_id = @course.course_groups.pluck(:id)
+    # else
+    #   user_groups_id = g_course_ids
+    # end
+    user_groups_id = @course.charge_group_ids(current_user)
     exercises_all = Exercise.where(id:exercise_ids)
     exercises_all.each do |exercise|
       if exercise.present?
diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 8e340da73..98f453424 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -170,15 +170,9 @@ class MessagesController < ApplicationController
 
   def bulk_move
     # 课堂的目录之间移动，有子栏目的才显示此项
-    return  normal_status(403) unless current_user.teacher_of_course?(@board.course)
+    return normal_status(403) unless current_user.teacher_of_course?(@board.course)
 
-    begin
-      Message.bulk_move_to_other_board(params[:ids], params[:to_board_id], current_user.id)
-    rescue Exception => e
-      uid_logger_error(e.message)
-      tip_exception(e.message)
-      raise ActiveRecord::Rollback
-    end
+    Message.bulk_move_to_other_board(params[:ids], params[:to_board_id])
   end
 
   def bulk_public
diff --git a/app/controllers/polls_controller.rb b/app/controllers/polls_controller.rb
index 751b725e6..38fa973b5 100644
--- a/app/controllers/polls_controller.rb
+++ b/app/controllers/polls_controller.rb
@@ -43,7 +43,7 @@ class PollsController < ApplicationController
         # polls的不同用户群体的显示
         if @user_course_identity < Course::STUDENT      # @is_teacher_or 1为老师/管理员/助教
           @is_teacher_or = 1
-          @teacher_groups_ids = @course.teacher_course_groups.get_user_groups(current_user.id).pluck(:course_group_id).reject(&:blank?)
+          @teacher_groups_ids = @course.charge_group_ids(current_user)
           @polls = @polls_all                                        #老师能看到全部的问卷，不管是已发布的/未发布的/已截止的/统一设置的/私有设置的（看到内容不同）
         elsif @user_course_identity == Course::STUDENT  # 2为课堂成员，能看到统一设置的和自己班级的
           @is_teacher_or = 2
@@ -254,12 +254,12 @@ class PollsController < ApplicationController
           if pl_status == 1  #如果问卷存在已发布的，或者是已截止的，那么则直接跳过
             g_course = params[:group_ids]  #表示是否传入分班参数,如果传入分班的参数，那么poll的统一设置需修改
             if g_course
-              course_groups = @course.teacher_course_groups.get_user_groups(current_user.id)
-              if course_groups.blank?
-                user_course_groups = @course.course_groups.present? ?  @course.course_groups.pluck(:id) : []
-              else
-                user_course_groups = course_groups.pluck(:course_group_id)
-              end
+              user_course_groups = @course.charge_group_ids(current_user)
+              # if course_groups.blank?
+              #   user_course_groups = @course.course_groups.present? ?  @course.course_groups.pluck(:id) : []
+              # else
+              #   user_course_groups = course_groups.pluck(:course_group_id)
+              # end
                if g_course.map(&:to_i).sort == user_course_groups.sort   #  如果是设置为全部班级，则问卷不用分组，且问卷设定为统一设置,否则则分组设置
                  poll.poll_group_settings.destroy_all
                  poll_unified = true
@@ -673,7 +673,7 @@ class PollsController < ApplicationController
         @user_published_setting = @poll.poll_group_settings.find_in_poll_group("course_group_id",@being_setting_course_ids)
         poll_ids = [@poll.id]
         @poll_publish_count = get_user_permission_course(poll_ids,2).count
-        ## 需添加发送消息的接口，稍后添加
+
       rescue Exception => e
         uid_logger_error(e.message)
         tip_exception("页面调用失败！")
@@ -688,7 +688,7 @@ class PollsController < ApplicationController
       begin
         error_count = 0   # 判断循环里是否有已发布/已截止的，且时间更改了的分班。
 
-        course_group_ids = @course.teacher_course_group_ids(current_user.id)  #当前老师的班级id数组
+        course_group_ids = @course.charge_group_ids(current_user)  #当前老师的班级id数组
 
         poll_status = @poll.get_poll_status(current_user.id)
         if poll_status == 1 && (course_group_ids - [0]).count > 0 # 问卷未发布，且老师的分班大于1 ，才可以修改统一设置，否则按poll默认的来处理
@@ -951,7 +951,6 @@ class PollsController < ApplicationController
   def poll_lists
     ActiveRecord::Base.transaction do
       begin
-        logger.info("########___________@course.teacher_course_groups)________________####################{@course.teacher_course_groups.where(user_id:current_user.id).pluck(:course_group_id)}")
         poll_ids = [@poll.id]
         @poll_list_status = @poll.get_poll_status(current_user.id)
         @poll_publish_count = get_user_permission_course(poll_ids,2).count
@@ -1213,12 +1212,13 @@ class PollsController < ApplicationController
   def get_user_permission_course(poll_ids,status)  #获取用户权限范围内的已发布/未发布
     poll_status = status.to_i
     unpublish_group = []
-    g_course_ids = @course.teacher_course_groups.get_user_groups(current_user.id).pluck(:course_group_id).reject(&:blank?).uniq
-    if g_course_ids.blank? || g_course_ids.include?(0) #当前用户的分班权限为空，即具体全部的分班权限
-      user_groups_id = @course.course_groups.pluck(:id)
-    else
-      user_groups_id = g_course_ids
-    end
+    # g_course_ids = @course.teacher_course_groups.get_user_groups(current_user.id).pluck(:course_group_id).reject(&:blank?).uniq
+    # if g_course_ids.blank? || g_course_ids.include?(0) #当前用户的分班权限为空，即具体全部的分班权限
+    #   user_groups_id = @course.course_groups.pluck(:id)
+    # else
+    #   user_groups_id = g_course_ids
+    # end
+    user_groups_id = @course.charge_group_ids(current_user)
     all_polls = Poll.where(id:poll_ids)
     all_polls.each do |poll|
       if poll.present?
diff --git a/app/models/message.rb b/app/models/message.rb
index ae804e991..26946f6d0 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -47,10 +47,25 @@ class Message < ApplicationRecord
     end
   end
 
-  def self.bulk_move_to_other_board(message_ids, to_board_id, author_id)
-    message_ids.each do |id|
-      message = Message.find id
-      message.update_attributes(board_id: to_board_id, author_id: author_id) if message.parent_id.nil? # TODO 暂时只支持跟节点移动
+  def self.bulk_move_to_other_board(message_ids, to_board_id)
+    to_board = Board.find(to_board_id)
+
+    messages = Message.where(id: message_ids, parent_id: nil).select(:id, :board_id).to_a
+    return if messages.blank?
+
+    from_board = Board.find(messages.first.board_id)
+
+    root_ids = messages.map(&:id)
+    children = Message.where(parent_id: root_ids).select(:id).to_a
+    children_ids = children.map(&:id)
+    second_children = Message.where(parent_id: children_ids).select(:id).to_a
+
+    ids = root_ids.concat(children_ids).concat(second_children.map(&:id)).uniq
+
+    ActiveRecord::Base.transaction do
+      Message.where(id: ids, board_id: from_board.id).update_all(board_id: to_board.id)
+      to_board.increment!(:messages_count, ids.size)
+      from_board.increment!(:messages_count, - ids.size)
     end
   end
 
diff --git a/app/models/poll.rb b/app/models/poll.rb
index 7ebcceafd..fd9093fcc 100644
--- a/app/models/poll.rb
+++ b/app/models/poll.rb
@@ -54,7 +54,6 @@ class Poll < ApplicationRecord
   def all_poll_users(user_id)
     poll_users = self.poll_users
     group_ids = poll_published_ids(user_id)
-    logger.info("##########_________group_ids______#########################{group_ids}")
     if group_ids.present?
       poll_users = poll_users.where(user_id: course.students.where(course_group_id: group_ids).pluck(:user_id))
     end
@@ -64,7 +63,6 @@ class Poll < ApplicationRecord
   #当前用户已发布的班级id和试卷分组已发布的班级id的交集
   def poll_published_ids(user_id)
     current_user_groups = course.teacher_course_group_ids(user_id)
-    logger.info("##########_________current_user_groups______#########################{current_user_groups}")
     if unified_setting
       if course.none_group_count > 0  #有未分班的，则发布到未发布
         un_group_ids = [0]
diff --git a/config/application.rb b/config/application.rb
index 8f1d3aebf..baa0011f2 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -17,7 +17,7 @@ module Educoderplus
     # the framework and any gems in your application.
     #
     #
-    config.educoder = config_for(:configuration)
+    # config.educoder = config_for(:configuration)
 
     config.active_record.default_timezone = :local
     config.time_zone = 'Beijing'