diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 46fc68184..fb7bf50f0 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -321,6 +321,8 @@ class ApplicationController < ActionController::Base
     render_404
   end
 
+  #added by nwb
+  #获取课程
   def find_course
     @course= Course.find(params[:id])
   rescue ActiveRecord::RecordNotFound
diff --git a/app/models/course.rb b/app/models/course.rb
index 545330705..ff4f1a222 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -95,8 +95,7 @@ class Course < ActiveRecord::Base
     allowed_to_condition(user, :view_course, options)
   end
 
-
-  # 获取课程的资源类型列表
+   # 获取课程的资源类型列表
   def attachmenttypes
     @attachmenttypes = Attachmentstype.find(:all, :conditions => ["#{Attachmentstype.table_name}.typeId= ?",self.attachmenttype ])
   end
@@ -131,6 +130,7 @@ class Course < ActiveRecord::Base
     end
   end
 
+  # 课程允许的权限集合
   def allowed_permissions
     @allowed_permissions ||= begin
       module_names = enabled_modules.all(:select => :name).collect {|m| m.name}
@@ -138,6 +138,7 @@ class Course < ActiveRecord::Base
     end
   end
 
+  # 课程允许的动作集合
   def allowed_actions
     @actions_allowed ||= allowed_permissions.inject([]) { |actions, permission| actions += Redmine::AccessControl.allowed_actions(permission) }.flatten
   end
@@ -160,6 +161,7 @@ class Course < ActiveRecord::Base
     end
   end
 
+  # 创建课程留言
   def create_board_sync
     @board = self.boards.build
     self.name=" #{l(:label_borad_course) }"
@@ -173,6 +175,7 @@ class Course < ActiveRecord::Base
     end
   end
 
+  # 删除课程所有成员
   def delete_all_members
     me, mr = Member.table_name, MemberRole.table_name
     connection.delete("DELETE FROM #{mr} WHERE #{mr}.member_id IN (SELECT #{me}.id FROM #{me} WHERE #{me}.course_id = #{id})")
diff --git a/app/views/news/_course_form.html.erb b/app/views/news/_course_form.html.erb
new file mode 100644
index 000000000..6e3060c3c
--- /dev/null
+++ b/app/views/news/_course_form.html.erb
@@ -0,0 +1,13 @@
+<%= error_messages_for @news %>
+<div class="add_frame_header" >
+  <% str = l(:bale_news_notice)%>
+  <%= str %>
+</div>
+<div class="box tabular">
+  <p><%= f.text_field :title, :required => true, :size => 60, :style => "width:488px;" %></p>
+  <!-- <p style="margin-left:-10px;"><%= f.text_area :summary, :cols => 60, :rows => 2, :style => "width:490px;margin-left:10px;" %></p> -->
+  <p><%= f.text_area :description, :required => true, :cols => 60, :rows => 11, :class => 'wiki-edit', :style => "width:490px;" %></p>
+  <p id="attachments_form" style="margin-left:-10px;"><label style="padding-right: 15px;"><%= l(:label_attachment_plural) %></label><%= render :partial => 'attachments/form', :locals => {:container => @news} %></p>
+</div>
+
+<%= wikitoolbar_for 'news_description' %>
diff --git a/app/views/news/_course_news.html.erb b/app/views/news/_course_news.html.erb
index d980cbacf..60d0f0ed3 100644
--- a/app/views/news/_course_news.html.erb
+++ b/app/views/news/_course_news.html.erb
@@ -15,7 +15,7 @@
     <div id="add-news" class="add_frame" style="display:none;">
       <%= labelled_form_for @news, :url => course_news_index_path(@course),
                             :html => {:id => 'news-form', :multipart => true} do |f| %>
-          <%= render :partial => 'news/form', :locals => {:f => f} %>
+          <%= render :partial => 'news/course_form', :locals => {:f => f} %>
           <%= submit_tag l(:button_create), :class => 'whiteButton m3p10 h30', :name => nil %><!-- button-submit  --> |
           <%= preview_link preview_news_path(:course_id => @course), 'news-form', target='preview', {:class => 'whiteButton m3p10'} %>
           |
diff --git a/lib/redmine.rb b/lib/redmine.rb
index 24b9bce96..b65a1b686 100644
--- a/lib/redmine.rb
+++ b/lib/redmine.rb
@@ -112,6 +112,16 @@ Redmine::AccessControl.map do |map|
     map.permission :manage_files, {:files => [:new, :create]}, :require => :loggedin
     map.permission :view_course_files, {:files => :index, :versions => :download}, :read => true
   end
+    map.course_module :news do |map|
+    map.permission :manage_news, {:news => [:new, :create, :edit, :update, :destroy], :comments => [:destroy]}, :require => :member
+    map.permission :view_news, {:news => [:index, :show]}, :public => true, :read => true
+    map.permission :comment_news, {:comments => :create}
+    end
+  #作业模块权限
+  map.project_module :bids do |map|
+    map.permission :view_homework_attaches, {:bids => [:show, :show_project, :revision]}, :read => true
+  end
+
   #end
 
   map.project_module :issue_tracking do |map|