diff --git a/app/helpers/homework_attach_helper.rb b/app/helpers/homework_attach_helper.rb
index 72d381b28..bd2bec80c 100644
--- a/app/helpers/homework_attach_helper.rb
+++ b/app/helpers/homework_attach_helper.rb
@@ -1,149 +1,149 @@
 module HomeworkAttachHelper
-  #判断是否具有删除的权限
-  def attach_delete(project)
-    if User.current.logged? && (User.current.admin? || (!Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.nil? && (Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.roles&Role.where('id = ? or id = ?', 3, 7)).size >0) || project.user_id == User.current.id)
-      true
-    else
-      false
-    end
-  end
-  #作业添加、编辑界面的tab页
-  def homework_settings_tabs f
-    @f = f
-    tabs = [{:name => 'info',  :partial => 'homework_attach/edit_homework', :label => :label_information_plural},
-            {:name => 'members',  :partial => 'homework_attach/homework_member', :label => :label_member_plural}
-    ]
-  end
-
-  #作业可选成员列表分页
-  def render_new_members_for_homework members
-    #scope = Principal.active.sorted.not_member_of(project).like(params[:q])
-    #scope = project.members
-    #principals = paginateHelper members,10
-    #principals = members
-    #principal_count = members.count
-    #limit = 10
-    #principal_pages = Redmine::Pagination::Paginator.new principal_count, limit, params['page'] #by young
-    #offset ||= principal_pages.offset
-    #principals = members[offset, limit]
-    users = members.map(&:user)
-    s = content_tag('div', member_check_box_tags_ex('membership[user_ids][]', users), :id => 'principals')
-    links = pagination_links_full(@obj_pages, @obj_count, :per_page_links => false) {|text, parameters, options|
-      link_to text, get_homework_member_list_homework_attach_index_path( parameters.merge(:q => params[:q], bid_id: params[:id]||@homework)), :remote => true }
-    return s + content_tag('div', content_tag('ul', links), :class => 'pagination_new')
-  end
-
-  #扩展的checkbox生成
-  def member_check_box_tags_ex(name, principals)
-    s = ''
-    principals.each do |member|
-      s << "<label>#{ check_box_tag name, member.id, false, :id => nil } #{h member.name }</label><br/>"
-    end
-    s.html_safe
-  end
-
-  def paginateHelper obj, pre_size=20
-    @obj_count = obj.count
-    @obj_pages = Redmine::Pagination::Paginator.new @obj_count, pre_size, params['page']
-    if obj.kind_of? ActiveRecord::Base or obj.kind_of?  ActiveRecord::Relation
-      obj.limit(@obj_pages.per_page).offset(@obj_pages.offset)
-    elsif obj.kind_of? Array
-      obj[@obj_pages.offset, @obj_pages.per_page]
-    else
-      logger.error "[ApplicationController] Error : application_controller#paginateHelper ===> unknow category: #{obj.class}"
-      raise RuntimeError, 'unknow type, Please input you type into this helper.'
-    end
-  end
-
-  def user_projects_option
-    cond = Project.visible_condition(User.current) + " AND projects.project_type <> 1"
-    memberships = User.current.memberships.all(:conditions => cond)
-    projects = memberships.map(&:project)
-    not_have_project = []
-    not_have_project << Setting.please_chose
-    not_have_project << 0
-    type = []
-    type << not_have_project
-    projects.each do |project|
-      if project != nil
-        option = []
-        option <<  project.name
-        option <<  project.id
-        type << option
-      end
-    end
-    type
-  end
-
-  #判断指定用户是不是已经赞过该作业
-  def is_praise_homework user_id, obj_id
-    PraiseTread.where("user_id = #{user_id} AND praise_tread_object_id = #{obj_id} AND praise_tread_object_type = 'HomeworkAttach'").empty?
-  end
-
-  #获取赞的总数
-  def praise_homework_count obj_id
-    PraiseTread.where("praise_tread_object_id = #{obj_id} AND praise_tread_object_type = 'HomeworkAttach'").count
-  end
-
-  #获取用户对作业的评分
-  def get_homework_score user, homework
-    temp = HomeworkAttach.find_by_sql("SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = #{homework.id} AND rater_id = #{user.id}").first
-    @m_score = temp.nil? ? 0:temp.stars.to_i
-  end
-
-  #获取评分对应的评论
-  def get_homework_review homework,is_teacher,user
-    homework.journals_for_messages.where("is_comprehensive_evaluation = #{is_teacher ? 1 : 2} and user_id = #{user.id}").order("created_on DESC").first
-  end
-
-  def convert_array array
-    ary = "("
-    if array.nil? || array.count == 0
-      return "()"
-    end
-    array.length.times do |i|
-      if i == array.length - 1
-        ary += array[i].id.to_s + ")"
-      else
-        if  !(array[i].nil? ||  array[i].id.nil? || array[i].id.to_s == "")
-          ary +=  array[i].id.to_s + ","
-        end
-      end
-    end
-    #array.each do |member|
-    #  if member == array.last
-    #    ary += member.id.to_s + ")"
-    #  else
-    #    ary += member.id.to_s + ","
-    #  end
-    #end
-    ary
-  end
-
-  def get_student_batch_homework_list bid,user
-    student_batch_homework_list = HomeworkAttach.eager_load(:attachments,:user,:rate_averages).find_by_sql("SELECT homework_attaches.*,
-          (SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND is_teacher_score = 1 AND stars IS NOT NULL ORDER BY updated_at DESC limit 0,1) AS t_score,
-          (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND is_teacher_score = 0) AS s_score,
-          (SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id = #{User.current.id}  AND is_teacher_score = 0) AS m_score
-          FROM homework_attaches
-          INNER JOIN homework_evaluations ON homework_evaluations.homework_attach_id = homework_attaches.id
-          WHERE homework_attaches.bid_id = #{bid.id} AND homework_evaluations.user_id = #{user.id} ORDER BY m_score DESC")
-    student_batch_homework_list
-  end
-
-  #########################################################
-  #sw
-  #获取学生未进行匿评的数量
-  #param: bid => 作业   user => 用户
-  #return 指定用户未进行匿评的作业的数量
-  #user必须是学生用户
-  #######################################################
-  def get_student_not_batch_homework_list bid,user
-    HomeworkAttach.find_by_sql("SELECT * FROM(SELECT homework_attaches.*,
-          (SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id = #{user.id}  AND is_teacher_score = 0) AS m_score
-          FROM homework_attaches
-          INNER JOIN homework_evaluations ON homework_evaluations.homework_attach_id = homework_attaches.id
-          WHERE homework_attaches.bid_id = #{bid.id} AND homework_evaluations.user_id = #{user.id}) AS table1
-          WHERE table1.m_score IS NULL").count
-  end
+#   #判断是否具有删除的权限
+#   def attach_delete(project)
+#     if User.current.logged? && (User.current.admin? || (!Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.nil? && (Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.roles&Role.where('id = ? or id = ?', 3, 7)).size >0) || project.user_id == User.current.id)
+#       true
+#     else
+#       false
+#     end
+#   end
+#   #作业添加、编辑界面的tab页
+#   def homework_settings_tabs f
+#     @f = f
+#     tabs = [{:name => 'info',  :partial => 'homework_attach/edit_homework', :label => :label_information_plural},
+#             {:name => 'members',  :partial => 'homework_attach/homework_member', :label => :label_member_plural}
+#     ]
+#   end
+#
+#   #作业可选成员列表分页
+#   def render_new_members_for_homework members
+#     #scope = Principal.active.sorted.not_member_of(project).like(params[:q])
+#     #scope = project.members
+#     #principals = paginateHelper members,10
+#     #principals = members
+#     #principal_count = members.count
+#     #limit = 10
+#     #principal_pages = Redmine::Pagination::Paginator.new principal_count, limit, params['page'] #by young
+#     #offset ||= principal_pages.offset
+#     #principals = members[offset, limit]
+#     users = members.map(&:user)
+#     s = content_tag('div', member_check_box_tags_ex('membership[user_ids][]', users), :id => 'principals')
+#     links = pagination_links_full(@obj_pages, @obj_count, :per_page_links => false) {|text, parameters, options|
+#       link_to text, get_homework_member_list_homework_attach_index_path( parameters.merge(:q => params[:q], bid_id: params[:id]||@homework)), :remote => true }
+#     return s + content_tag('div', content_tag('ul', links), :class => 'pagination_new')
+#   end
+#
+#   #扩展的checkbox生成
+#   def member_check_box_tags_ex(name, principals)
+#     s = ''
+#     principals.each do |member|
+#       s << "<label>#{ check_box_tag name, member.id, false, :id => nil } #{h member.name }</label><br/>"
+#     end
+#     s.html_safe
+#   end
+#
+#   def paginateHelper obj, pre_size=20
+#     @obj_count = obj.count
+#     @obj_pages = Redmine::Pagination::Paginator.new @obj_count, pre_size, params['page']
+#     if obj.kind_of? ActiveRecord::Base or obj.kind_of?  ActiveRecord::Relation
+#       obj.limit(@obj_pages.per_page).offset(@obj_pages.offset)
+#     elsif obj.kind_of? Array
+#       obj[@obj_pages.offset, @obj_pages.per_page]
+#     else
+#       logger.error "[ApplicationController] Error : application_controller#paginateHelper ===> unknow category: #{obj.class}"
+#       raise RuntimeError, 'unknow type, Please input you type into this helper.'
+#     end
+#   end
+#
+#   def user_projects_option
+#     cond = Project.visible_condition(User.current) + " AND projects.project_type <> 1"
+#     memberships = User.current.memberships.all(:conditions => cond)
+#     projects = memberships.map(&:project)
+#     not_have_project = []
+#     not_have_project << Setting.please_chose
+#     not_have_project << 0
+#     type = []
+#     type << not_have_project
+#     projects.each do |project|
+#       if project != nil
+#         option = []
+#         option <<  project.name
+#         option <<  project.id
+#         type << option
+#       end
+#     end
+#     type
+#   end
+#
+#   #判断指定用户是不是已经赞过该作业
+#   def is_praise_homework user_id, obj_id
+#     PraiseTread.where("user_id = #{user_id} AND praise_tread_object_id = #{obj_id} AND praise_tread_object_type = 'HomeworkAttach'").empty?
+#   end
+#
+#   #获取赞的总数
+#   def praise_homework_count obj_id
+#     PraiseTread.where("praise_tread_object_id = #{obj_id} AND praise_tread_object_type = 'HomeworkAttach'").count
+#   end
+#
+#   #获取用户对作业的评分
+#   def get_homework_score user, homework
+#     temp = HomeworkAttach.find_by_sql("SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = #{homework.id} AND rater_id = #{user.id}").first
+#     @m_score = temp.nil? ? 0:temp.stars.to_i
+#   end
+#
+#   #获取评分对应的评论
+#   def get_homework_review homework,is_teacher,user
+#     homework.journals_for_messages.where("is_comprehensive_evaluation = #{is_teacher ? 1 : 2} and user_id = #{user.id}").order("created_on DESC").first
+#   end
+#
+#   def convert_array array
+#     ary = "("
+#     if array.nil? || array.count == 0
+#       return "()"
+#     end
+#     array.length.times do |i|
+#       if i == array.length - 1
+#         ary += array[i].id.to_s + ")"
+#       else
+#         if  !(array[i].nil? ||  array[i].id.nil? || array[i].id.to_s == "")
+#           ary +=  array[i].id.to_s + ","
+#         end
+#       end
+#     end
+#     #array.each do |member|
+#     #  if member == array.last
+#     #    ary += member.id.to_s + ")"
+#     #  else
+#     #    ary += member.id.to_s + ","
+#     #  end
+#     #end
+#     ary
+#   end
+#
+#   def get_student_batch_homework_list bid,user
+#     student_batch_homework_list = HomeworkAttach.eager_load(:attachments,:user,:rate_averages).find_by_sql("SELECT homework_attaches.*,
+#           (SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND is_teacher_score = 1 AND stars IS NOT NULL ORDER BY updated_at DESC limit 0,1) AS t_score,
+#           (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND is_teacher_score = 0) AS s_score,
+#           (SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id = #{User.current.id}  AND is_teacher_score = 0) AS m_score
+#           FROM homework_attaches
+#           INNER JOIN homework_evaluations ON homework_evaluations.homework_attach_id = homework_attaches.id
+#           WHERE homework_attaches.bid_id = #{bid.id} AND homework_evaluations.user_id = #{user.id} ORDER BY m_score DESC")
+#     student_batch_homework_list
+#   end
+#
+#   #########################################################
+#   #sw
+#   #获取学生未进行匿评的数量
+#   #param: bid => 作业   user => 用户
+#   #return 指定用户未进行匿评的作业的数量
+#   #user必须是学生用户
+#   #######################################################
+#   def get_student_not_batch_homework_list bid,user
+#     HomeworkAttach.find_by_sql("SELECT * FROM(SELECT homework_attaches.*,
+#           (SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id = #{user.id}  AND is_teacher_score = 0) AS m_score
+#           FROM homework_attaches
+#           INNER JOIN homework_evaluations ON homework_evaluations.homework_attach_id = homework_attaches.id
+#           WHERE homework_attaches.bid_id = #{bid.id} AND homework_evaluations.user_id = #{user.id}) AS table1
+#           WHERE table1.m_score IS NULL").count
+#   end
 end
\ No newline at end of file