diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index da29c713..4cd22677 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -331,7 +331,80 @@ class CoursesController < ApplicationController
     end
   end
 
+  def show
+     # try to redirect to the requested menu item
+    if params[:jump] && redirect_to_course_menu_item(@course, params[:jump])
+      return
+    end
 
+    @users_by_role = @course.users_by_role
+    if(User.find_by_id(CourseInfo.find_by_course_id(@course.id).try(:user_id)))
+      @user = User.find_by_id(CourseInfo.find_by_course_id(@course.id).user_id)
+    end
+    cond = @course.course_condition(Setting.display_subcourses_issues?)
+    @open_issues_by_tracker = Issue.visible.open.where(cond).count(:group => :tracker)
+    @total_issues_by_tracker = Issue.visible.where(cond).count(:group => :tracker)
+
+    if User.current.allowed_to?(:view_time_entries, @course)
+      @total_hours = TimeEntry.visible.sum(:hours, :include => :course, :conditions => cond).to_f
+    end
+
+    @key = User.current.rss_key
+    #新增内容
+    @days = Setting.activity_days_default.to_i
+
+    if params[:from]
+      begin; @date_to = params[:from].to_date + 1; rescue; end
+    end
+
+    has = {
+        "show_files" => true,
+        "show_messages" => true,
+        "show_bids" => true,
+        "show_contests" => true,
+        "show_journals_for_messages" => true
+    }
+    @date_to ||= Date.today + 1
+    @date_from = @date_to - @days-1.years
+    @with_subcourses = params[:with_subcourses].nil? ? Setting.display_subcourses_issues? : (params[:with_subcourses] == '1')
+    @author = (params[:user_id].blank? ? nil : User.active.find(params[:user_id]))
+    # 决定显示所用用户或单个用户活动
+    @activity = Redmine::Activity::Fetcher.new(User.current, :course => @course,
+                                               :with_subcourses => @with_subcourses,
+                                               :author => @author)
+    @activity.scope_select {|t| !has["show_#{t}"].nil?}
+    # logger.debug "=========================================#{@activity.scope}"
+    #   @activity.scope = (@author.nil? ? :default : :all) if @activity.scope.empty?
+    #Added by young
+    events = @activity.events(@date_from, @date_to)
+
+    @offset, @limit = api_offset_and_limit({:limit => 10})
+    @events_count = events.count
+    @events_pages = Paginator.new @events_count, @limit, params['page']
+    @offset ||= @events_pages.offset
+    events = events.slice(@offset,@limit)
+    #Ended by young
+    @events_by_day = events.group_by {|event| User.current.time_to_date(event.event_datetime)}
+    #  documents
+    @sort_by = %w(category date title author).include?(params[:sort_by]) ? params[:sort_by] : 'category'
+    documents = @course.documents.includes(:attachments, :category).all
+    case @sort_by
+      when 'date'
+        @grouped = documents.group_by {|d| d.updated_on.to_date }
+      when 'title'
+        @grouped = documents.group_by {|d| d.title.first.upcase}
+      when 'author'
+        @grouped = documents.select{|d| d.attachments.any?}.group_by {|d| d.attachments.last.author}
+      else
+        @grouped = documents.group_by(&:category)
+    end
+    @document = @course.documents.build
+    #
+    respond_to do |format|
+      format.html{render :layout => 'base_courses'}
+      format.api
+    end
+  end
 
   private
 
diff --git a/app/models/course.rb b/app/models/course.rb
index bb80110a..2252577c 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -71,6 +71,16 @@ class Course < ActiveRecord::Base
     allowed_to_condition(user, :view_course, options)
   end
 
+   # 返回用户组可以访问的课程
+  def users_by_role
+    members.includes(:user, :roles).all.inject({}) do |h, m|
+      m.roles.each do |r|
+        h[r] ||= []
+        h[r] << m.user
+      end
+      h
+    end
+  end
 
   #自定义验证
   def validate
diff --git a/app/models/course_infos.rb b/app/models/course_infos.rb
new file mode 100644
index 00000000..265cdccf
--- /dev/null
+++ b/app/models/course_infos.rb
@@ -0,0 +1,3 @@
+class CourseInfos < ActiveRecord::Base
+  attr_accessible :typeId, :typeName
+end
diff --git a/db/migrate/20140605025300_create_course_infos.rb b/db/migrate/20140605025300_create_course_infos.rb
new file mode 100644
index 00000000..b1947f3d
--- /dev/null
+++ b/db/migrate/20140605025300_create_course_infos.rb
@@ -0,0 +1,25 @@
+class CreateCourseInfos < ActiveRecord::Migration
+  def change
+    create_table :course_infos do |t|
+      t.integer :course_id
+      t.integer :user_id
+      t.timestamps
+    end
+
+    #迁移课程管理员数据
+    Project.all.each do |project|
+      if project.project_type == 1
+        course = Course.find_by_extra(project.identifier)
+        if course
+          projectinfos = ProjectInfo.find_all_by_project_id(project.id)
+          projectinfos.each do |projinfo|
+            courseinfo = CourseInfos.new
+            courseinfo.course_id = course.id
+            courseinfo.user_id = projinfo.user_id
+            courseinfo.save
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 49557a3b..dae88870 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140604071624) do
+ActiveRecord::Schema.define(:version => 20140605025300) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -218,6 +218,13 @@ ActiveRecord::Schema.define(:version => 20140604071624) do
     t.datetime "updated_on",                  :null => false
   end
 
+  create_table "course_infos", :force => true do |t|
+    t.integer  "course_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
   create_table "course_statuses", :force => true do |t|
     t.integer  "changesets_count"
     t.integer  "watchers_count"
diff --git a/test/fixtures/course_infos.yml b/test/fixtures/course_infos.yml
new file mode 100644
index 00000000..79b5cfde
--- /dev/null
+++ b/test/fixtures/course_infos.yml
@@ -0,0 +1,9 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
+
+one:
+  typeId: 1
+  typeName: MyString
+
+two:
+  typeId: 1
+  typeName: MyString
diff --git a/test/unit/course_infos_test.rb b/test/unit/course_infos_test.rb
new file mode 100644
index 00000000..f20a519d
--- /dev/null
+++ b/test/unit/course_infos_test.rb
@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class CourseInfosTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end