diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index c4c1f8922..09d357ebf 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -2,7 +2,7 @@ class HomeworkAttachController < ApplicationController
   ###############################
   #判断当前角色权限时需先找到当前操作的project
   before_filter :find_project_by_bid_id, :only => [:new]
-  before_filter :find_project_by_hoemwork_id, :only => [:edit,:update,:destroy]
+  before_filter :find_project_by_hoemwork_id, :only => [:edit,:update,:destroy,:show,:add_homework_users,:destory_homework_users]
   #判断当前角色是否有操作权限
   #勿删 before_filter :authorize, :only => [:new,:edit,:update,:destroy]
 
@@ -26,12 +26,45 @@ class HomeworkAttachController < ApplicationController
     end
   end
 
-  def add_users users
-    if users != nil && users.count > 0
-      users.each do |user|
-         @homework.homework_users.build(:user_id => user.id)
-         @homework.save
+  #作业添加成员（参与人员）
+  def add_homework_users
+    if User.current.admin? || User.current == @homework.user
+      #@homework = HomeworkAttach.find(params[:id])
+      if params[:membership]
+        if params[:membership][:user_ids]
+          attrs = params[:membership].dup
+          user_ids = attrs.delete(:user_ids)
+          user_ids.each do |user_id|
+            @homework.homework_users.build(:user_id => user_id)
+          end
+        end
       end
+      @homework.save
+      @hoemwork_users = users_for_homework(@homework)
+      @members = members_for_homework(@homework,@hoemwork_users,params[:q])
+      @members = paginateHelper @members,10
+      respond_to do |format|
+        format.js
+      end
+    else
+      render_403 :message => :notice_not_authorized
+    end
+  end
+
+  #作业删除成员（参与人员）
+  def destory_homework_users
+    #@homework = HomeworkAttach.find(params[:id])
+    if User.current.admin? || User.current == @homework.user
+      homework_user = @homework.homework_users.where("user_id = #{params[:user_id]}").first
+      homework_user.destroy
+      @hoemwork_users = users_for_homework(@homework)
+      @members = members_for_homework(@homework,@hoemwork_users,params[:q])
+      @members = paginateHelper @members,10
+      respond_to do |format|
+        format.js
+      end
+    else
+      render_403 :message => :notice_not_authorized
     end
   end
 
@@ -78,8 +111,10 @@ class HomeworkAttachController < ApplicationController
   def new
     @bid = Bid.find(params[:id])
     if User.current.admin? || User.current.member_of?(@bid.courses.first)
-      @members = @bid.courses.first.members.joins(:member_roles).where("member_roles.role_id IN (:role_id) and user_id <> #{User.current.id}", {:role_id => [5, 10]})
+      #该课程的学生的集合(新建不实现功能：添加成员)
+      #@members = @bid.courses.first.members.joins(:member_roles).where("member_roles.role_id IN (:role_id) and user_id <> #{User.current.id}", {:role_id => [5, 10]})
 
+      #@members = paginateHelper @members,10
       #@all_user = []
       #@bid.courses.first.members.each do |member|
         #  @all_user << member.user
@@ -96,30 +131,52 @@ class HomeworkAttachController < ApplicationController
     end
   end
 
-  #获取指定作业的所有成员
-  def members_for_homework homework
-    people = []
-    if homework != nil
-      people << homework.user
-      homework.homework_users do |homework_user|
-        people << homework_user.user
-      end
+  #获取作业成员的集合
+  def get_homework_member_list
+    @homework = HomeworkAttach.find(params[:bid_id])
+    course = @homework.bid.courses.first
+    if User.current.admin? || User.current.member_of?(course)
+      @hoemwork_users = users_for_homework(@homework)
+      @members = members_for_homework(@homework,@hoemwork_users,params[:q])
+      #该课程的学生的集合
+      #@members = course.members.joins(:member_roles).where("member_roles.role_id IN (:role_id)", {:role_id => [5, 10]})
+      @members = paginateHelper @members,10
     else
+      raise "error"
     end
-    people
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  #获取指定作业的所有成员
+  def users_for_homework homework
+    homework.nil? ? [] : (homework.users + [homework.user])
+  end
+
+  #获取可选成员列表
+  #homework：作业
+  #users：该作业所有成员
+  def members_for_homework homework,users,q
+    homework.bid.courses.first.members.joins(:member_roles).where("member_roles.role_id IN (:role_id) and user_id not in (:users)", {:role_id => [5, 10],:users => users}).joins(:user).where("users.login like '%#{q}%'")
   end
 
   def edit
-    @homework = HomeworkAttach.find(params[:id])
+    #@homework = HomeworkAttach.find(params[:id])
     if User.current.admin? || User.current.member_of?(@homework.bid.courses.first)
+      #@members = @homework.bid.courses.first.members.joins(:member_roles).where("member_roles.role_id IN (:role_id)", {:role_id => [5, 10]})
+      @hoemwork_users = users_for_homework(@homework)
+      @members = members_for_homework(@homework,@hoemwork_users,params[:q])
+      @members = paginateHelper @members,10
     else
       render_403 :message => :notice_not_authorized
     end
   end
 
   def update
-    @homework = HomeworkAttach.find(params[:id])
-    if User.current.admin? || User.current.member_of?(@homework.bid.courses.first)
+    #@homework = HomeworkAttach.find(params[:id])
+    course = @homework.bid.courses.first
+    if User.current.admin? || User.current.member_of?(course)
       name = params[:homework_name]
       description = params[:homework_description]
       @homework.name = name
@@ -140,7 +197,7 @@ class HomeworkAttachController < ApplicationController
   end
 
   def destroy
-    @homework = HomeworkAttach.find(params[:id])
+    #@homework = HomeworkAttach.find(params[:id])
     if User.current.admin? || User.current.member_of?(@homework.bid.courses.first)
       if @homework.destroy
         respond_to do |format|
@@ -156,7 +213,7 @@ class HomeworkAttachController < ApplicationController
 
   #显示作业信息
   def show
-    @homework = HomeworkAttach.find(params[:id])
+    #@homework = HomeworkAttach.find(params[:id])
     if User.current.admin? || User.current.member_of?(@homework.bid.courses.first)
       # 打分统计
       stars_reates = @homework.
diff --git a/app/helpers/bids_helper.rb b/app/helpers/bids_helper.rb
index a41867c64..a5c25ecb5 100644
--- a/app/helpers/bids_helper.rb
+++ b/app/helpers/bids_helper.rb
@@ -155,27 +155,6 @@ module BidsHelper
     end
     people.include?(User.current)
   end
-  #当前用户是不是指定课程的学生
-  def is_cur_course_student? course
-  #people = []
-  #course.members.includes(:user, :roles).each do |member|
-  #  if [5,10].include? member.roles.first.id
-  #    people <<  member.user
-  #  end
-  #end
-  #people.include?(User.current)
-  #修改：能新建占位且不能新建任务的角色判定为学生
-  is_student = false
-  @membership = User.current.memberships.all(:conditions => Project.visible_condition(User.current))
-  @membership.each do |membership|
-    unless(membership.project.project_type==0)
-      if !User.current.allowed_to?({:controller => "projects", :action => "new_homework"}, membership.project, :global => false) && User.current.allowed_to?({:controller => "homework_attach", :action => "new"}, membership.project, :global => false)
-        is_student = true
-      end
-    end
-  end
-  is_student
-  end
 
   # def select_option_helper option
     # tmp = Hash.new
diff --git a/app/helpers/homework_attach_helper.rb b/app/helpers/homework_attach_helper.rb
index ed8d0949b..28bb48d3c 100644
--- a/app/helpers/homework_attach_helper.rb
+++ b/app/helpers/homework_attach_helper.rb
@@ -9,35 +9,49 @@ module HomeworkAttachHelper
   end
   #作业添加、编辑界面的tab页
   def homework_settings_tabs f
-    @project = Project.find 76
     @f = f
-    tabs = [{:name => 'info', :action => :edit_homework, :partial => 'homework_attach/edit_homework', :label => :label_information_plural},
-            {:name => 'members', :action => :homework_member, :partial => 'homework_attach/homework_member', :label => :label_member_plural}
+    tabs = [{:name => 'info',  :partial => 'homework_attach/edit_homework', :label => :label_information_plural},
+            {:name => 'members',  :partial => 'homework_attach/homework_member', :label => :label_member_plural}
     ]
-    #tabs.select {|tab| User.current.allowed_to?(tab[:action], @homework)}
   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
-    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]
-    s = content_tag('div', member_check_box_tags_ex('membership[user_ids][]', principals), :id => 'principals')
-    links = pagination_links_full(principal_pages, principal_count, :per_page_links => false,:remote => true)
-
-    s + content_tag('div', content_tag('ul', links), :class => 'pagination_new')
+    #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.user.name }</label>\n"
+      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
 end
\ No newline at end of file
diff --git a/app/models/homework_attach.rb b/app/models/homework_attach.rb
index ad59d107d..c801885b1 100644
--- a/app/models/homework_attach.rb
+++ b/app/models/homework_attach.rb
@@ -7,6 +7,7 @@ class HomeworkAttach < ActiveRecord::Base
   belongs_to :bid
   has_many :journals_for_messages, :as => :jour, :dependent => :destroy
   has_many :homework_users, :dependent => :destroy
+  has_many :users, :through => :homework_users
   seems_rateable :allow_update => true, :dimensions => :quality
   
   safe_attributes "bid_id",
diff --git a/app/models/homework_user.rb b/app/models/homework_user.rb
index 0adef62c4..df75ef821 100644
--- a/app/models/homework_user.rb
+++ b/app/models/homework_user.rb
@@ -1,6 +1,6 @@
 class HomeworkUser < ActiveRecord::Base
   attr_accessible :homework_attach_id, :user_id
 
-  belongs_to :homework_attach
+  belongs_to :homework_attach,  :foreign_key => :homework_attach_id
   belongs_to :user
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index 4255346b0..e85876618 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -73,7 +73,8 @@ class User < Principal
     ['none', :label_user_mail_option_none]
   ]
 
-  belongs_to :homework_user
+  has_many :homework_users
+  has_many :homework_attaches, :through => :homework_users
 
   has_and_belongs_to_many :groups, :after_add => Proc.new {|user, group| group.user_added(user)},
                                    :after_remove => Proc.new {|user, group| group.user_removed(user)}
diff --git a/app/views/documents/show.html.erb b/app/views/documents/show.html.erb
index a7bbc3135..d626fe30c 100644
--- a/app/views/documents/show.html.erb
+++ b/app/views/documents/show.html.erb
@@ -16,8 +16,8 @@
 <div class="wiki">
 <%= textilizable @document, :description, :attachments => @document.attachments %>
 </div>
- 
 
+<div style="border-top:solid 1px #C6E9F1;"></div>
 <h3><%= l(:label_attachment_plural) %></h3>
 <%= link_to_attachments @document %>
 
diff --git a/app/views/homework_attach/_homework_member.html.erb b/app/views/homework_attach/_homework_member.html.erb
index f69f9edff..9dfe170bd 100644
--- a/app/views/homework_attach/_homework_member.html.erb
+++ b/app/views/homework_attach/_homework_member.html.erb
@@ -1,131 +1,44 @@
 <%= error_messages_for 'member' %>
-<%
-   roles = Role.givable.all
-   if @project.project_type == Project::ProjectType_course
-     roles = roles[3..5]
-   else
-     roles = roles[0..2]
-   end
-   members = @project.member_principals.includes(:roles, :principal).all.sort
-%>
-
-<div class="splitcontentleft">
-  <% if members.any? %>
-      <table class="list members">
-        <thead>
-        <tr>
-          <th><%= l(:label_user) %></th>
-          <th><%= l(:label_role_plural) %></th>
-          <th style="width:15%"></th>
-          <%= call_hook(:view_projects_settings_members_table_header, :project => @project) %>
+<div style="float:left; width:60%;padding-left: 10px;padding-right: 10px"
+     xmlns="http://www.w3.org/1999/html" id = "homework_of_users">
+  <table class="list members" style="width: 100%">
+    <thead>
+    <tr>
+      <th><%= l(:label_user) %></th>
+      <th><%= l(:label_role_plural) %></th>
+      <th style="width:10%"></th>
+    </tr>
+    </thead>
+    <tbody>
+        <!-- 发布人员不能被删除，将发布人员放在第一位 -->
+        <tr id="member-<%= homework.user.id %>" class="<%= cycle 'odd', 'even' %> member" style="text-align: center">
+          <td style="width: 40%"><%= link_to_user homework.user %></td>
+          <td style="text-align: center;width: 50%"> 发布人员 </td>
+          <td></td>
         </tr>
-        </thead>
-        <tbody>
-        <% members.each do |member| %>
-            <% next if member.new_record? %>
-            <tr id="member-<%= member.id %>" class="<%= cycle 'odd', 'even' %> member">
-              <td class="<%= member.principal.class.name.downcase %>"><%= link_to_user member.principal %></td>
-              <td class="roles">
-    <span id="member-<%= member.id %>-roles">
-      <%= h member.roles.sort.collect(&:to_s).join(', ') %>
-    </span>
-                <%= form_for(member, {:as => :membership, :remote => true, :url => membership_path(member),
-                                      :method => :put,
-                                      :html => {:id => "member-#{member.id}-roles-form", :class => 'hol'}}
-                    ) do |f| %>
-
-                    <p>
-                      <% roles.each do |role| %>
-                          <label><%= check_box_tag 'membership[role_ids][]', role.id, member.roles.include?(role),
-                                                   :disabled => member.member_roles.detect { |mr| mr.role_id == role.id && !mr.inherited_from.nil? } %> <%= h role %></label><br/>
-                      <% end %></p>
-                    <%= hidden_field_tag 'membership[role_ids][]', '' %>
-                    <p><%= submit_tag l(:button_change), :class => "small" %>
-                      <%= link_to_function l(:button_cancel),
-                                           "$('#member-#{member.id}-roles').show(); $('#member-#{member.id}-roles-form').hide(); return false;"
-                      %></p>
-                <% end %>
-              </td>
-              <!--modified by huang for: if the user'roles is Manager that he will can't modified himself-->
-              <% if @project.project_type == 1 %>
-                  <% if member.roles.first.to_s == "Manager" %>
-                      <td class="buttons"></td>
-                  <% else %>
-                      <td class="buttons">
-                        <%= link_to_function l(:button_edit),
-                                             "$('#member-#{member.id}-roles').hide(); $('#member-#{member.id}-roles-form').show(); return false;",
-                                             :class => 'icon icon-edit' %>
-                        <%= delete_link membership_path(member),
-                                        :remote => true,
-                                        :data => (!User.current.admin? && member.include?(User.current) ? {:confirm => l(:text_own_membership_delete_confirmation)} : {}) if member.deletable? %>
-                      </td>
-                  <% end %>
-              <% else %>
-                  <td class="buttons">
-                    <%= link_to_function l(:button_edit),
-                                         "$('#member-#{member.id}-roles').hide(); $('#member-#{member.id}-roles-form').show(); return false;",
-                                         :class => 'icon icon-edit' %>
-                    <%= delete_link membership_path(member),
-                                    :remote => true,
-                                    :data => (!User.current.admin? && member.include?(User.current) ? {:confirm => l(:text_own_membership_delete_confirmation)} : {}) if member.deletable? %>
-                  </td>
+        <% hoemwork_users.each do |user| %>
+            <tr id="member-<%= user.id %>" class="<%= cycle 'odd', 'even' %> member" style="text-align: center">
+              <% if homework.user != user %>
+                  <td style="width: 40%"><%= link_to_user user %></td>
+                  <td style="text-align: center;width: 50%"> 参与人员 </td>
+                  <td><%= link_to l(:button_delete),destory_homework_users_homework_attach_path(:user_id=>user),:remote => true, :method => :post  %></td>
               <% end %>
-              <!--end-->
-              <%= call_hook(:view_projects_settings_members_table_row, {:project => @project, :member => member}) %>
             </tr>
-        <% end; reset_cycle %>
-        </tbody>
-      </table>
-  <% else %>
-      <p class="nodata"><%= l(:label_no_data) %></p>
-  <% end %>
+        <% end %>
+    </tbody>
+  </table>
 </div>
 
-<div class="splitcontentright">
-  <% if roles.any? %>
-      <% if @project.applied_projects.any? %>
-          <div id="applied_project_block">
-            <%= form_for(@applied_members, {:as => :membership, :url => project_memberships_path(@project), :remote => true, :method => :post}) do |f| %>
-                <fieldset>
-                  <legend><%= l(:label_apply_project) %></legend>
-
-                  <div id="principals_for_applied_member">
-                    <%= render_principals_for_applied_members(@project) %>
-                  </div>
-                  <!--show the roles which will select-->
-                  <p style="padding-top: 5px"><%= l(:label_role_plural) %>:
-                    <% roles.each do |role| %>
-
-                        <label><%= check_box_tag 'membership[role_ids][]', role.id %> <%= h role %></label>
-                    <% end %></p>
-
-                  <p><%= submit_tag l(:label_approve), :id => 'member-add-submit' %>
-                    <%= submit_tag l(:label_refusal), :name => "refusal_button", :id => 'member-refusal-submit' %>
-                  </p>
-                </fieldset>
-            <% end %>
-          </div>
-      <% end %>
-
-      <%= form_for(@member, {:as => :membership, :url => project_memberships_path(@project), :remote => true, :method => :post}) do |f| %>
-          <fieldset>
-            <legend><%= l(:label_member_new) %></legend>
-
-            <p><%= label_tag "principal_search", l(:label_principal_search) %><%= text_field_tag 'principal_search', nil %></p>
-            <%= javascript_tag "observeSearchfield('principal_search', null, '#{ escape_javascript autocomplete_project_memberships_path(@project, :format => 'js') }')" %>
-
-            <div id="principals_for_new_member">
-              <%= render_principals_for_new_members(@project) %>
-            </div>
-            <!--show the roles which will select-->
-            <p style="padding-top: 5px"><%= l(:label_role_plural) %>:
-              <% roles.each do |role| %>
-
-                  <label><%= check_box_tag 'membership[role_ids][]', role.id %> <%= h role %></label>
-              <% end %></p>
-
-            <p><%= submit_tag l(:button_add), :id => 'member-add-submit' %></p>
-          </fieldset>
-      <% end %>
+<div class="splitcontentright" style="width: 37%">
+  <%= form_for(hoemwork_users, {:url => add_homework_users_homework_attach_path(homework), :remote => true, :method => :post}) do |f| %>
+      <fieldset>
+        <legend><%= l(:label_member_new) %></legend>
+        <p><%= label_tag "principal_search", l(:label_principal_search) %><%= text_field_tag 'principal_search', nil %></p>
+        <%= javascript_tag "observeSearchfield('principal_search', null, '#{ escape_javascript get_homework_member_list_homework_attach_index_path(:q => params[:q], :bid_id => params[:id]||homework, :format => 'js') }')" %>
+        <div id="principals_for_new_member">
+          <%= render_new_members_for_homework(members) %>
+        </div>
+        <p><%= submit_tag l(:button_add), :id => 'member-add-submit' %></p>
+      </fieldset>
   <% end %>
 </div>
diff --git a/app/views/homework_attach/_member_list_partial.html.erb b/app/views/homework_attach/_member_list_partial.html.erb
new file mode 100644
index 000000000..ca422f0df
--- /dev/null
+++ b/app/views/homework_attach/_member_list_partial.html.erb
@@ -0,0 +1,3 @@
+<div id="principals_for_new_member">
+  <%= render_new_members_for_homework(members) %>
+</div>
\ No newline at end of file
diff --git a/app/views/homework_attach/_edit_homework.html.erb b/app/views/homework_attach/_new_homework.html.erb
similarity index 75%
rename from app/views/homework_attach/_edit_homework.html.erb
rename to app/views/homework_attach/_new_homework.html.erb
index 25f90f186..de749d182 100644
--- a/app/views/homework_attach/_edit_homework.html.erb
+++ b/app/views/homework_attach/_new_homework.html.erb
@@ -1,13 +1,12 @@
 <div class="box">
-
       <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
         <strong>标  题：</strong>
-        <%= @f.text_field "name", :required => true, :size => 60, :style => "width:490px;" %>
+        <%= f.text_field "name", :required => true, :size => 60, :style => "width:490px;" %>
       </p>
       <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
         <strong  style="vertical-align: top">描  述：</strong>
         <span style="margin-left:-10px;padding-right: 20px;">
-          <%= @f.text_area "description", :rows => 8, :class => 'wiki-edit', :style => "font-size:small;width:490px;margin-left:10px;" %>
+          <%= f.text_area "description", :rows => 8, :class => 'wiki-edit', :style => "font-size:small;width:490px;margin-left:10px;" %>
         </span>
       </p>
       <p style="padding-left: 60px">
diff --git a/app/views/homework_attach/add_homework_users.js.erb b/app/views/homework_attach/add_homework_users.js.erb
new file mode 100644
index 000000000..dc4b0cc56
--- /dev/null
+++ b/app/views/homework_attach/add_homework_users.js.erb
@@ -0,0 +1 @@
+$('#content2').html('<%= escape_javascript(render(:partial => 'homework_member', :locals => {:members => @members,:hoemwork_users =>@hoemwork_users,:homework => @homework} )) %>');
\ No newline at end of file
diff --git a/app/views/homework_attach/destory_homework_users.js.erb b/app/views/homework_attach/destory_homework_users.js.erb
new file mode 100644
index 000000000..dc4b0cc56
--- /dev/null
+++ b/app/views/homework_attach/destory_homework_users.js.erb
@@ -0,0 +1 @@
+$('#content2').html('<%= escape_javascript(render(:partial => 'homework_member', :locals => {:members => @members,:hoemwork_users =>@hoemwork_users,:homework => @homework} )) %>');
\ No newline at end of file
diff --git a/app/views/homework_attach/edit.html.erb b/app/views/homework_attach/edit.html.erb
index 80292340f..a36c1a8bf 100644
--- a/app/views/homework_attach/edit.html.erb
+++ b/app/views/homework_attach/edit.html.erb
@@ -1,35 +1,63 @@
-<p style="font-weight: bold; color: rgb(237,137,36)" xmlns="http://www.w3.org/1999/html"> <%=raw l(:label_new_homework)%> </p>
-<div class="box">
+<script type="text/javascript">
+    function switchTab(ProTag) {
+        var display_index = 3 - ProTag;
+        document.getElementById("tab" + ProTag).className = "selected";
+        document.getElementById("tab" + display_index).className = "";
+        document.getElementById("content" + ProTag).style.display = "";
+        document.getElementById("content" + display_index).style.display = "none";
+    }
+</script>
+
+<p style="font-weight: bold; color: rgb(237,137,36)" xmlns="http://www.w3.org/1999/html"> <%=raw l(:label_edit_homework)%> </p>
+<div class="tabs">
+  <ul>
+    <li>
+      <a id = "tab1" href="#" class = "selected" onclick="switchTab(1);this.blur();return false;">
+        <%= l(:label_information_plural)  %>
+      </a>
+    </li>
+    <li>
+      <a id="tab2" href="#" onclick="switchTab(2); this.blur(); return false;">
+        <%= l(:label_member_plural)  %>
+      </a>
+    </li>
+  </ul>
+</div>
+<div class="box" id="content1">
   <%= form_for(@homework) do |f|%>
-      <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
-        <strong>标  题：</strong>
-        <%= f.text_field :name, :required => true, :name => "homework_name", :size => 60, :style => "width:490px;"%>
-      </p>
-      <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
-        <strong  style="vertical-align: top">描  述：</strong>
-        <span style="margin-left:-10px;padding-right: 20px;">
-          <%= f.text_area :description, :rows => 8, :name => "homework_description", :class => 'wiki-edit', :style => "font-size:small;width:490px;margin-left:10px;" %>
-        </span>
-      </p>
-      <p style="padding-left: 60px">
-          <fieldset style="text-align: left;">
-            <p style="padding-left: 60px">
-              <% options = {:author => true, :deletable => attach_delete(@homework)} %>
-              <%= render :partial => 'attachments/links',
-                         :locals => {:attachments => @homework.attachments, :options => options} %>
-            </p>
-            <legend>
-              <%= l(:label_attachment_plural) %>
-            </legend>
-            <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
-              <%= render :partial => 'attachments/form' %>
-            </p>
-          </fieldset>
-      </p>
-      <p style="padding-left: 60px;padding-top: 10px;">
-        <span >
-          <%= submit_tag t(:label_button_ok), :sta => 0, :class => "enterprise"%>
-        </span>
-      </p>
+    <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
+      <strong>标  题：</strong>
+      <%= f.text_field :name, :required => true, :name => "homework_name", :size => 60, :style => "width:490px;"%>
+    </p>
+    <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
+      <strong  style="vertical-align: top">描  述：</strong>
+      <span style="margin-left:-10px;padding-right: 20px;">
+        <%= f.text_area :description, :rows => 8, :name => "homework_description", :class => 'wiki-edit', :style => "font-size:small;width:490px;margin-left:10px;" %>
+      </span>
+    </p>
+    <p style="padding-left: 60px">
+        <fieldset style="text-align: left;">
+          <p style="padding-left: 60px">
+            <% options = {:author => true, :deletable => attach_delete(@homework)} %>
+            <%= render :partial => 'attachments/links',
+                       :locals => {:attachments => @homework.attachments, :options => options} %>
+          </p>
+          <legend>
+            <%= l(:label_attachment_plural) %>
+          </legend>
+          <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
+            <%= render :partial => 'attachments/form' %>
+          </p>
+        </fieldset>
+    </p>
+    <p style="padding-left: 60px;padding-top: 10px;">
+    <span >
+      <%= submit_tag t(:label_button_ok), :sta => 0, :class => "enterprise"%>
+    </span>
+    </p>
   <% end %>
-</div>
\ No newline at end of file
+</div>
+
+<div id="content2" style="display: none" >
+<%= render :partial => "homework_member",:locals => {:members => @members,:hoemwork_users =>@hoemwork_users,:homework => @homework} %>
+</div>
diff --git a/app/views/homework_attach/get_homework_member_list.js.erb b/app/views/homework_attach/get_homework_member_list.js.erb
new file mode 100644
index 000000000..64fa22cbb
--- /dev/null
+++ b/app/views/homework_attach/get_homework_member_list.js.erb
@@ -0,0 +1,2 @@
+$('#principals_for_new_member').replaceWith('<%= j(render :partial => "member_list_partial", locals:{members: @members})%>');
+
diff --git a/app/views/homework_attach/new.html.erb b/app/views/homework_attach/new.html.erb
index 966176a1d..8fa0eab02 100644
--- a/app/views/homework_attach/new.html.erb
+++ b/app/views/homework_attach/new.html.erb
@@ -26,10 +26,11 @@
             </p>
           </fieldset>
       </p>
-      <p style="padding-left: 60px;padding-top: 10px;">
+
+      <p style="padding-left: 60px;padding-top: 5px;">
         <span >
           <%= submit_tag t(:label_button_ok), :sta => 0, :class => "enterprise"%>
         </span>
       </p>
   <% end %>
-</div>
\ No newline at end of file
+</div>
diff --git a/app/views/homework_attach/show.html.erb b/app/views/homework_attach/show.html.erb
index cdbbe9fda..0e7adacbe 100644
--- a/app/views/homework_attach/show.html.erb
+++ b/app/views/homework_attach/show.html.erb
@@ -1,4 +1,4 @@
-
+<%= render :partial => 'layouts/base_homework_attach', :locals => {:homework_attach => @homework} %>
 <style>
     .softapplication-img  .soft-application {
         float: left;
@@ -6,7 +6,7 @@
         height: 200px;
     }
 </style>
-<% is_student = is_cur_course_student? @homework.bid.courses.first %>
+<% is_student = is_cur_course_student @homework.bid.courses.first %>
 <% is_teacher = is_course_teacher User.current,@homework.bid.courses.first %>
 <p id="notice"><%= notice %></p>
 <!-- <%= image_tag(url_to_avatar(@user), :class => "avatar2") %> -->
@@ -23,7 +23,16 @@
           <td style="width: 570px; padding-left:40px; word-wrap: break-word; word-break: break-all">
             发布人员：<%= link_to @homework.user, user_path(@homework.user)%>
           </td>
-          <td>发布时间：<%=format_time @homework.created_at %></td>
+          <td>
+            参与人员：
+            <% @homework.users.each do |homework_user| %>
+                <%= link_to homework_user, user_path(homework_user)%>
+                <% if @homework.users.count > 1 && homework_user != @homework.users.last %>
+                    <br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+                <% end %>
+            <% end %>
+          </td>
+
         </tr>
         <tr>
           <td style="padding-left: 40px">
@@ -38,12 +47,12 @@
           <td style="width: 240px; word-wrap: break-word; word-break: break-all">
             所属任务：<%= link_to(@homework.bid.name, project_for_bid_path(@homework.bid))%>
           </td>
-
         </tr>
         <tr>
-          <td style="padding-left: 40px" colspan="2">平均评分：
+          <td style="padding-left: 40px">平均评分：
             <%= rating_for @homework, :static => true, dimension: :quality, class: 'rateable div_inline' %>
           </td>
+          <td>发布时间：<%=format_time @homework.created_at %></td>
         </tr>
       </table>
     </td>
diff --git a/app/views/layouts/_base_homework_attach.html.erb b/app/views/layouts/_base_homework_attach.html.erb
new file mode 100644
index 000000000..6b020d806
--- /dev/null
+++ b/app/views/layouts/_base_homework_attach.html.erb
@@ -0,0 +1,15 @@
+<div class="top-content">
+  <table>
+    <tr>
+      <td class="info_font" style="width: 240px; color: #15bccf">高校课程实践社区</td>
+      <td style="width: auto; color: #15bccf"><strong><%= l(:label_user_location) %> : </strong></td>
+
+    </tr>
+    <tr>
+      <td style="padding-left: 8px"><a><%= link_to request.host()+"/courses", :controller => 'projects', :action => 'course'%></a></td>
+      <td><p class="top-content-list-homework"><%=link_to "主页", home_path %> > <%=link_to l(:label_course_practice), :controller => 'projects', :action => 'course' %> >
+        <span><%= link_to(homework_attach.bid.courses.first.name.to_s, homework_project_path(homework_attach.bid.courses.first)) if homework_attach.bid.courses.first%></span> >
+        <%=link_to(homework_attach.bid.name, respond_path(homework_attach.bid)) %> > <span><%= link_to homework_attach.name.nil? ? homework_attach.attachments.first.filename : homework_attach.name,homework_attach_path(homework_attach)%></span></p></td>
+    </tr>
+  </table>
+</div>
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 91c2047b6..5a5810c78 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -26,11 +26,18 @@ RedmineApp::Application.routes.draw do
 
   resources :homework_attach do
     collection do
+      get 'get_homework_member_list'
       match 'addjours', via: [:get, :post]
       match 'add_jour_reply', via: [:get,:post]
       match 'destroy_jour', via: [:get,:post]
+
+    end
+    member do
+      match 'add_homework_users', via:[:get,:post]
+      match 'destory_homework_users',via:[:get,:post]
     end
   end
+
   resources :open_source_projects do
     collection do
       match 'search', via: [:get, :post]