diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index 57c1a8587..db628dd67 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -3,6 +3,9 @@ module Mobile
   module Apis
     class Courses < Grape::API
       resource :courses do
+        def self.get_service
+          CoursesService.new
+        end
         desc "获取所有课程"
         params do
           optional :school_id, type: Integer, desc: '传入学校id,返回该学校课程列表'
@@ -338,8 +341,55 @@ module Mobile
           cs = CoursesService.new
           student_works = cs.student_work_list params,current_user
           present :data,student_works.all,with:Mobile::Entities::StudentWork
+          present :status,0
         end
 
+        desc '讨论区信息'
+        params do
+          requires :token,type:String
+          requires :course_id,type:Integer,desc:'课程id'
+          optional :page,type:Integer,desc:'页码'
+        end
+        get ':course_id/board_message_list' do
+          cs = CoursesService.new
+          board_messages_list = cs.board_message_list params,current_user
+          present :data,board_messages_list.all,with:Mobile::Entities::Message
+          present :status,0
+        end
+
+        desc '讨论区某主题的回复列表'
+        params do
+          requires :token,type:String
+          requires :board_id,type:Integer,desc:'讨论区id'
+          requires :msg_id,type:Integer,desc:'讨论主题id'
+          optional :page,type:Integer,desc:'页码'
+        end
+        get ':board_id/board_message_reply_list' do
+          cs = Courses.get_service
+          board_messages_list = cs.board_message_reply_list params,current_user
+          present :data,board_messages_list.all,with:Mobile::Entities::Message
+          present :status,0
+        end
+
+        desc '讨论区回复'
+        params do
+          requires :token,type:String
+          requires :board_id,type:Integer,desc:'讨论区id'
+          requires :parent_id,type:Integer,desc:'本回复父id'
+          requires :subject,type:String,desc:'本回复主题'
+          requires :content,type:String,desc:'本回复内容'
+          requires :root_id,type:Integer,desc:'本回复根id'
+          requires :quote,type:String,desc:'本回复引用内容'
+        end
+        post ':board_id/board_message_reply' do
+          cs = Courses.get_service
+          board_messages = cs.board_message_reply params,current_user
+          present :data,board_messages,with:Mobile::Entities::Message
+          present :status,0
+        end
+
+
+
 
       end
     end
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 1439f961d..01b72317c 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -654,9 +654,9 @@ class CoursesService
       return
     end
     if current_user == @user || current_user.admin?
-      membership = @user.coursememberships.page(1).per(15)
+      membership = @user.coursememberships.page(1).per(5)
     else
-      membership = @user.coursememberships.page(1).per(15).all(:conditions => Course.visible_condition(current_user))
+      membership = @user.coursememberships.page(1).per(5).all(:conditions => Course.visible_condition(current_user))
     end
     if membership.nil? || membership.count == 0
       raise l(:label_no_courses, :locale => get_user_language(current_user))
@@ -678,12 +678,11 @@ class CoursesService
       end
 
       # 课程讨论区
-      # latest_message = course.boards.first.topics.page(1).per(2)
-      # unless latest_message.first.nil?
-      #   latest_course_dynamics << {:type => 2, :time => latest_message.first.created_on, :count =>course.boards.nil? ? 0 : course.boards.first.topics.count,
-      #                              :topics => latest_message.all}
-      #   dynamics_count += 1
-      # end
+       latest_message = course.boards.first.topics.page(1).per(2)
+       unless latest_message.first.nil?
+         latest_course_dynamics << {:type => 2, :time => latest_message.first.created_on, :count =>course.boards.nil? ? 0 : course.boards.first.topics.count,
+                                    :topics => latest_message.all}
+       end
 
       # 课程资源
       # latest_attachment = course.attachments.order("created_on desc").page(1).per(2)
@@ -788,6 +787,45 @@ class CoursesService
     student_works
   end
 
+  # 获取课程的讨论区信息
+  def board_message_list params,current_user
+    # 课程讨论区
+    course = Course.find(params[:course_id])
+    latest_message = course.boards.first.topics.page(params[:page] || 1).per(10)
+  end
+
+  #获取回复列表
+  def board_message_reply_list params,current_user
+    board = Board.find(params[:board_id])
+    reply_list = board.topics.where("id = #{params[:msg_id]}").first.children.order("created_on desc").page(params[:page] || 1).per(10)
+  end
+
+  #回复讨论区
+  def board_message_reply params,current_user
+    author = Message.find(params[:parent_id]).author
+    quote = "<blockquote>" << author.realname << "(" << author.nickname << ")写到： <br/>" << params[:quote] <<"<div class='cl'></div></blockquote>"
+    reply = Message.new
+    reply.author = current_user
+    reply.board = Board.find(params[:board_id])
+    params[:reply] = {}
+    params[:reply][:subject] = params[:subject] #本回复标题
+    params[:reply][:content] = params[:content]   #本回复内容
+    params[:reply][:quote] = {}
+    params[:reply][:quote][:quote] = params[:quote]  #本回复引用的内容，也是父id内容
+    params[:reply][:parent_topic] = params[:parent_id]  # 父id
+    params[:reply][:board_id] = params[:board_id]   #讨论区id
+    params[:reply][:id] = params[:root_id] #根id
+    reply.safe_attributes = params[:reply]
+    if params[:root_id] == params[:parent_id]
+      reply.content = reply.content
+    else
+      reply.content = quote + reply.content
+    end
+
+    Message.find(params[:root_id]).children << reply
+    reply
+  end
+
   # # 开启匿评
   # #statue 1:启动成功，2：启动失败，作业总数大于等于2份时才能启动匿评，3:已开启匿评，请务重复开启,4:没有开启匿评的权限
   # def start_anonymous_comment params,current_user