diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index c6f3fdcd1..7c1aa5e7e 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -169,7 +169,7 @@ module Mobile
         route_param :id do
           get do
             cs = CoursesService.new
-            course = cs.show_course params,current_user
+            course = cs.show_course(params,(current_user.nil? ? User.find(2):current_user))
             #course = Course.find(params[:id])
             {status: 0, data: course}
           end
@@ -196,6 +196,18 @@ module Mobile
           present :status, 0
         end
 
+        desc "显示课程通知"
+        params do
+
+        end
+        get "news/:id" do
+          cs = CoursesService.new
+          cs.show_course_news_authorize(current_user.nil? ? User.find(2):current_user)
+          news = cs.show_course_news params,current_user.nil? ? User.find(2):current_user
+          present :data, news, with: Mobile::Entities::News
+          present :status, 0
+        end
+
 
       end
     end
diff --git a/app/api/mobile/entities/news.rb b/app/api/mobile/entities/news.rb
index dc60e99b0..7c77f8c82 100644
--- a/app/api/mobile/entities/news.rb
+++ b/app/api/mobile/entities/news.rb
@@ -5,22 +5,37 @@ module Mobile
         expose field do |f,opt|
           if f.is_a?(Hash) && f.key?(field)
             f[field]
+          elsif f.is_a?(Hash) && !f.key?(field)
+            n = f[:news]
+            comments = f[:comments]
+            if n.is_a?(::News)
+              n.send(field) if n.respond_to?(field)
+            end
+
           end
         end
       end
 
       #新闻标题
       news_expose :title
+
+      expose :author,using: Mobile::Entities::User do |f, opt|
+        n = f[:news]
+        n.author if n.respond_to?(:author)
+      end
       #作者id
       news_expose :author_id
       #作者名
       news_expose :author_name
       #新闻内容
-      news_expose :content
+      news_expose :description
       #发布时间
-      news_expose :time
+      news_expose :created_on
       #评论数量
       news_expose :comments_count
+      #评论
+      news_expose :comments
+
 
     end
   end
diff --git a/app/api/mobile/entities/user.rb b/app/api/mobile/entities/user.rb
index 2a4c0cdaa..1f52ae841 100644
--- a/app/api/mobile/entities/user.rb
+++ b/app/api/mobile/entities/user.rb
@@ -1,12 +1,29 @@
 module Mobile
     module Entities
     class User < Grape::Entity
+      include ApplicationHelper
+      include ApiHelper
       def self.user_expose(f)
         expose f do |u,opt|
           if u.is_a?(Hash) && u.key?(f)
             u[f]
-          #else
-          #  u.send(f) if u.respond_to?(f)
+          elsif u.is_a?(::User)
+            if u.respond_to?(f)
+              u.send(f)
+            else
+              case f
+                when :img_url
+                  url_to_avatar(u)
+                when :gender
+                  u.user_extensions.gender.nil? ? 0 : u.user_extensions.gender
+                when :work_unit
+                  get_user_work_unit u
+                when :location
+                  get_user_location u
+                when :brief_introduction
+                  u.user_extensions.brief_introduction
+              end
+            end
           end
 
         end
diff --git a/app/controllers/news_controller.rb b/app/controllers/news_controller.rb
index 9eeddacf9..2df17d73f 100644
--- a/app/controllers/news_controller.rb
+++ b/app/controllers/news_controller.rb
@@ -92,7 +92,9 @@ class NewsController < ApplicationController
 
   def show
     cs = CoursesService.new
-    @news,@comments = cs.show_course_news params,User.current
+    result = cs.show_course_news params,User.current
+    @news = result[:news]
+    @comments =  result[:comments]
     #@comments = @news.comments
     #@comments.reverse! if User.current.wants_comments_in_reverse_order?
     #modify by nwb
diff --git a/app/helpers/api_helper.rb b/app/helpers/api_helper.rb
new file mode 100644
index 000000000..2b85d2be4
--- /dev/null
+++ b/app/helpers/api_helper.rb
@@ -0,0 +1,22 @@
+module ApiHelper
+  #获取用户的工作单位
+  def get_user_work_unit user
+    work_unit = ""
+    if user.user_extensions.identity == 0 || user.user_extensions.identity == 1
+      work_unit = user.user_extensions.school.name unless  user.user_extensions.school.nil?
+    elsif  user.user_extensions.identity == 3
+      work_unit = user.user_extensions.occupation
+    elsif user.user_extensions.identity == 2
+      work_unit = user.firstname
+    end
+    work_unit
+  end
+
+  #获取用户地区
+  def get_user_location user
+    location = ""
+    location << (user.user_extensions.location || '')
+    location << (user.user_extensions.location_city || '')
+    location
+  end
+end
\ No newline at end of file
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 1fef2c27f..7e3b2a545 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -112,14 +112,14 @@ class CoursesService
     scope = @course ? @course.news.course_visible : News.course_visible
     news = []
     scope.each do |n|
-      news << {:title => n.title,:author_name => n.author.name,:author_id => n.author.id, :content => n.description,:time => format_time(n.created_on),:comments_count => n.comments_count}
+      news << {:title => n.title,:author_name => n.author.name,:author_id => n.author.id, :description => n.description,:created_on => format_time(n.created_on),:comments_count => n.comments_count}
     end
     news
   end
 
   #查看新闻权限验证
-  def show_course_news_authorize(current_user,course)
-    unless current_user.allowed_to?({:controller => 'news', :action => 'show'}, course)
+  def show_course_news_authorize(current_user)
+    unless current_user.allowed_to?({:controller => 'news', :action => 'show'}, false)
       raise '403'
     end
   end
@@ -129,7 +129,13 @@ class CoursesService
     @news = News.find(params[:id])
     @comments = @news.comments
     @comments.reverse! if current_user.wants_comments_in_reverse_order?
-    [@news,@comments]
+    {:news => @news,:comments => @comments}
+    #comments = []
+    #@comments.each do |comment|
+    #  comments << {:author_id => comment.author_id,:author_name => comment.author.name,:commont_content => comment.comments,:time => format_time(comment.created_on)}
+    #end
+    #{:title => @news.title,:author_name => @news.author.name,:author_id => @news.author.id, :description => @news.description,:created_on => format_time(@news.created_on),
+    # :comments_count => @news.comments_count,:comments => comments}
   end
 
 
diff --git a/app/services/users_service.rb b/app/services/users_service.rb
index cc4d0f725..ab2ee23c5 100644
--- a/app/services/users_service.rb
+++ b/app/services/users_service.rb
@@ -3,6 +3,7 @@ class UsersService
   include AccountHelper
   include AvatarHelper
   include CoursesHelper
+  include ApiHelper
   #将用户注册的功能函数写这里
   #参数约定
   #成功返回注册后的User实例，失败直接抛异常
@@ -36,11 +37,12 @@ class UsersService
       ue.user_id = @user.id
       ue.save
     end
-    img_url = url_to_avatar(@user)
-    gender = @user.user_extensions.gender.nil? ? 0 : @user.user_extensions.gender
-    work_unit = get_user_work_unit @user
-    location = get_user_location @user
-    {:id => @user.id, :img_url => img_url, :nickname => @user.login, :gender => gender, :work_unit => work_unit, :mail => @user.mail, :location => location, :brief_introduction => @user.user_extensions.brief_introduction}
+    @user
+    #img_url = url_to_avatar(@user)
+    #gender = @user.user_extensions.gender.nil? ? 0 : @user.user_extensions.gender
+    #work_unit = get_user_work_unit @user
+    #location = get_user_location @user
+    #{:id => @user.id, :img_url => img_url, :nickname => @user.login, :gender => gender, :work_unit => work_unit, :mail => @user.mail, :location => location, :brief_introduction => @user.user_extensions.brief_introduction}
   end
 
   #显示用户
@@ -99,33 +101,17 @@ class UsersService
         logger.error "[Error] avatar : users_service#edit_user ===> #{e}"
       end
     end
-    img_url = url_to_avatar(@user)
-    gender = @user.user_extensions.gender.nil? ? 0 : @user.user_extensions.gender
-    work_unit = get_user_work_unit @user
-    location = get_user_location @user
-    {:id => @user.id, :img_url => img_url, :nickname => @user.login, :gender => gender, :work_unit => work_unit, :mail => @user.mail, :location => location, :brief_introduction => @user.user_extensions.brief_introduction}
+    #img_url = url_to_avatar(@user)
+    #gender = @user.user_extensions.gender.nil? ? 0 : @user.user_extensions.gender
+    #work_unit = get_user_work_unit @user
+    #location = get_user_location @user
+    #{:id => @user.id, :img_url => img_url, :nickname => @user.login, :gender => gender, :work_unit => work_unit, :mail => @user.mail, :location => location, :brief_introduction => @user.user_extensions.brief_introduction}
+    @user
   end
 
-  #获取用户的工作单位
-  def get_user_work_unit user
-    work_unit = ""
-    if user.user_extensions.identity == 0 || user.user_extensions.identity == 1
-      work_unit = user.user_extensions.school.name unless  user.user_extensions.school.nil?
-    elsif  user.user_extensions.identity == 3
-      work_unit = user.user_extensions.occupation
-    elsif user.user_extensions.identity == 2
-      work_unit = user.firstname
-    end
-    work_unit
-  end
 
-  #获取用户地区
-  def get_user_location user
-    location = ""
-    location << (user.user_extensions.location || '')
-    location << (user.user_extensions.location_city || '')
-    location
-  end
+
+
 
   #关注列表
   def user_watcher params