diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index 3b2f4dd4c..4130ea902 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -65,12 +65,13 @@ module Mobile
           requires :is_public, type: Integer, desc: '是否公开 1公开 0私有'
           requires :open_student, type: Integer, desc: '是否公开学生列表1公开，0不公开，不公开时非课程成员无法看到学生列表'
           requires :course_type, type:Integer, desc: '暂时传1'
-          requires :term, type: String, desc: '学期（秋秀学期或春秀学期）'
+          requires :term, type: String, desc: '学期（秋季学期或春季学期）'
           requires :time, type: String, desc: '年份'
           requires :class_period, type: String, desc: '学时总数'
         end
         put do
           authenticate!
+          cs = CoursesService.new
           cs_params = {
             course: params.reject{|k,v| [:term,:time,:class_period].include?(k)},
             term: params[:term],
@@ -79,7 +80,7 @@ module Mobile
           }
           course = ::Course.find(params[:course_id])
           cs.edit_course_authorize(current_user,course)
-          course = cs.edit_course(cs_params, course)
+          course = cs.edit_course(cs_params, course,current_user)
           present :data, course, with: Mobile::Entities::Course
           present :status, 0
         end
@@ -89,13 +90,14 @@ module Mobile
         desc "加入课程"
         params do
           requires :token, type: String
+          requires :course_password, type: String
         end
         post ":id" do
           authenticate!
           cs = CoursesService.new
-          status = cs.join_course({"object_id" => params[:id]},current_user)
-          out = {status: status}
-          message = case status
+          status = cs.join_course({:object_id => params[:id],:course_password => params[:course_password]},current_user)
+          out = {status: status[:state]}
+          message = case status[:state]
           when 0; "加入成功"
           when 1; "密码错误"
           when 2; "课程已过期 请联系课程管理员重启课程。(在配置课程处)"
@@ -114,8 +116,15 @@ module Mobile
         delete ":id" do
           authenticate!
           cs = CoursesService.new
-          cs.exit_course({"object_id" => params[:id]}, current_user)
-          {status: 0}
+          status = cs.exit_course({:object_id => params[:id]}, current_user)
+          out = {status: status}
+          message = case status
+                      when 0; "退出成功"
+                      when 1; "您不在课程中"
+                      when 2; "您还未登录"
+                      else; "未知错误，请稍后再试"
+                    end
+          out.merge(message: message)
         end
 
         desc "搜索课程"
@@ -131,22 +140,26 @@ module Mobile
 
         desc "课程老师列表"
         params do
+          requires :token, type: String
           requires :course_id, type: Integer, desc: "课程id"
         end
         get 'teachers' do
           cs = CoursesService.new
-          teachers = cs.course_teacher_or_student_list({role: 1}, params[:course_id],current_user)
-          {status: 0, data: teachers}
+          teachers = cs.course_teacher_or_student_list({role: '1'}, params[:course_id],current_user)
+          present :data, teachers, with: Mobile::Entities::User
+          present :status, 0
         end
 
         desc "课程学生列表"
         params do
+          requires :token, type: String
           requires :course_id, type: Integer, desc: "课程id"
         end
-        get 'teachers' do
+        get 'students' do
           cs = CoursesService.new
-          teachers = cs.course_teacher_or_student_list({role: 2}, params[:course_id],current_user)
-          {status: 0, data: teachers}
+          students = cs.course_teacher_or_student_list({role: '2'}, params[:course_id],current_user)
+          present :data, students, with: Mobile::Entities::User
+          present :status, 0
         end
 
         desc "返回单个课程"
diff --git a/app/api/mobile/apis/users.rb b/app/api/mobile/apis/users.rb
index a566b702d..878748793 100644
--- a/app/api/mobile/apis/users.rb
+++ b/app/api/mobile/apis/users.rb
@@ -20,6 +20,16 @@ module Mobile
           present :status, 0
         end
 
+        desc "显示用户"
+        params do
+
+        end
+        get ':id' do
+          us = UsersService.new
+          ue = us.show_user params
+          present :data, ue,with: Mobile::Entities::User
+          present :status, 0
+        end
 
         desc "修改用户"
         params do
@@ -35,7 +45,19 @@ module Mobile
           authenticate!
           us = UsersService.new
           ue = us.edit_user params.merge(id: current_user.id)
-          present :data, ue.user, with: Mobile::Entities::User
+          present :data, ue,with: Mobile::Entities::User
+          present :status, 0
+        end
+
+        desc '获取用户课程'
+        params do
+
+        end
+
+        get ':id/courses' do
+          us = UsersService.new
+          ue = us.user_courses_list params,current_user.nil? ? User.find(2):current_user
+          present :data, ue,with: Mobile::Entities::Course
           present :status, 0
         end
 
diff --git a/app/api/mobile/entities/course.rb b/app/api/mobile/entities/course.rb
index 0dd0d6aeb..ffae1db1f 100644
--- a/app/api/mobile/entities/course.rb
+++ b/app/api/mobile/entities/course.rb
@@ -10,7 +10,8 @@ module Mobile
             c = f[:course]
           end
           if field == :img_url
-            f.img_url if f.respond_to?(:img_url)
+            f[field] if f.is_a?(Hash) && f.key?(field)
+            #f.img_url if f.respond_to?(:img_url)
           else
             (c[field] if (c.is_a?(Hash) && c.key?(field))) || (c.send(field) if c.respond_to?(field))
           end
diff --git a/app/api/mobile/entities/user.rb b/app/api/mobile/entities/user.rb
index 3c3356b46..2a4c0cdaa 100644
--- a/app/api/mobile/entities/user.rb
+++ b/app/api/mobile/entities/user.rb
@@ -3,7 +3,12 @@ module Mobile
     class User < Grape::Entity
       def self.user_expose(f)
         expose f do |u,opt|
-          u.send(f) if u.respond_to?(f)
+          if u.is_a?(Hash) && u.key?(f)
+            u[f]
+          #else
+          #  u.send(f) if u.respond_to?(f)
+          end
+
         end
       end
 
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 985c33aab..fa76bd0e5 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -27,7 +27,9 @@ class CoursesController < ApplicationController
   def join
     if User.current.logged?
       cs = CoursesService.new
-      @state,course = cs.join_course params
+      join = cs.join_course params,User.current
+      @state = join[:state]
+      course = join[:course]
       #course = Course.find_by_id params[:object_id]
       #if course
       #  if course_endTime_timeout? course
@@ -95,7 +97,7 @@ class CoursesController < ApplicationController
   #更新课程信息
   def update
     cs = CoursesService.new
-    @course = cs.edit_course params,@course
+    @course = cs.edit_course params,@course,User.current
     if @course.errors.full_messages.count <= 0
         respond_to do |format|
           format.html {
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 3f025c892..485126ac4 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -72,7 +72,36 @@ class CoursesService
         #@subPage_title = ''
         @members = c.member_principals.includes(:roles, :principal).all.sort
     end
-    @members
+    users = []
+    @members.each do |m|
+      img_url = url_to_avatar(m.user)
+      gender = m.user.user_extensions.gender.nil? ? 0 : m.user.user_extensions.gender
+      work_unit = get_user_work_unit m.user
+      location = get_user_location m.user
+      users << {:id => m.user.id, :img_url => img_url, :nickname => m.user.login, :gender => gender, :work_unit => work_unit, :mail => m.user.mail, :location => location, :brief_introduction => m.user.user_extensions.brief_introduction}
+    end
+    users
+  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
 
   #课程通知列表
@@ -175,8 +204,9 @@ class CoursesService
   #params[:term]：学期（秋季学期或春季学期）
   #params[:time]: 年份（例：2014）
   #params[:class_period]:学时总数
-  def edit_course params,course
-    course.safe_attributes = params[:course]
+  def edit_course(params,course,current_user)
+    course.send(:safe_attributes=, params[:course], current_user)
+    #course.safe_attributes = params[:course]
     course.time = params[:time]
     course.term = params[:term]
     course.class_period = params[:class_period]
@@ -196,14 +226,27 @@ class CoursesService
   #退出课程
   #object_id: 课程id
   #user：当前用户
+  #@state == 0 退出成功
+  #@state == 1 不在课程中
+  #@state == 2 您还未登录
+  #@state 其他 未知错误，请稍后再试
   def exit_course params,user
+    if user.nil?
+      @state = 2
+      return @state
+    end
     @member = Member.where('course_id = ? and user_id = ?', params[:object_id], user.id)
+    if @member.nil? || @member.count == 0
+      @state = 1
+      return @state
+    end
     @member.first.destroy
-
     joined = StudentsForCourse.where('student_id = ? and course_id = ?', user.id, params[:object_id])
     joined.each do |join|
       join.delete
+      @state = 0
     end
+    @state
   end
 
   #加入课程
@@ -216,20 +259,21 @@ class CoursesService
   #@state == 4 您加入的课程不存在
   #@state == 5 您还未登录
   #@state 其他 未知错误，请稍后再试
-  def join_course params
+  def join_course params,current_user
     course = Course.find_by_id params[:object_id]
+    @state = 10
     if course
       if course_endTime_timeout? course
         @state = 2
       else
-        if User.current.member_of_course?(course)
+        if current_user.member_of_course?(course)
           @state = 3
         else
           if params[:course_password] == course.password
             members = []
-            members << Member.new(:role_ids => [10], :user_id => User.current.id)
+            members << Member.new(:role_ids => [10], :user_id => current_user.id)
             course.members << members
-            StudentsForCourse.create(:student_id => User.current.id, :course_id => params[:object_id])
+            StudentsForCourse.create(:student_id => current_user.id, :course_id => params[:object_id])
             @state = 0
           else
             @state = 1
@@ -239,7 +283,7 @@ class CoursesService
     else
       @state = 4
     end
-    [@state,course]
+    {:state => @state,:course => course}
   end
 
   #作业列表
diff --git a/app/services/homework_service.rb b/app/services/homework_service.rb
index 914889c68..c0a669bca 100644
--- a/app/services/homework_service.rb
+++ b/app/services/homework_service.rb
@@ -13,16 +13,17 @@ class HomeworkService
   def show_homework params
     @bid = Bid.find(params[:id])
     course  = @bid.courses.first
-    author = @bid.author.firstname + @bid.author.lastname
+    author = @bid.author.lastname + @bid.author.firstname
     many_times = course.homeworks.index(@bid) + 1
     name = @bid.name
-    homework_count = @bid.homeworks.count
+    homework_count = @bid.homeworks.count  #已提交的作业数量
+    student_questions_count = @bid.commit.nil? ? 0 : @bid.commit
     description = @bid.description
     if is_course_teacher(User.current, course) && @bid.open_anonymous_evaluation == 1 && @bid.homeworks.count >= 2
       state = bid.comment_status
     end  
-    {:course => 'course', :atuthor => 'author', :many_times => 'many_times', :name => 'name', :homework_count => 'homework_count',
-     :descriptiong => 'description', :state => 'state'}    
+    {:course => course, :atuthor => author, :many_times => many_times, :name => name, :homework_count => homework_count,:student_questions_count => student_questions_count,
+     :descriptiong => description, :state => state}
   end
   
   # 启动作业匿评
diff --git a/app/services/users_service.rb b/app/services/users_service.rb
index c58956994..c1074c1c0 100644
--- a/app/services/users_service.rb
+++ b/app/services/users_service.rb
@@ -36,7 +36,11 @@ class UsersService
       ue.user_id = @user.id
       ue.save
     end
-    @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
@@ -95,7 +99,11 @@ class UsersService
         logger.error "[Error] avatar : users_service#edit_user ===> #{e}"
       end
     end
-   [:user_extensions =>@se,:img_url => url_to_avatar(@user),:work_unit => get_user_work_unit(@user),:location => get_user_location(@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
 
   #获取用户的工作单位
@@ -138,7 +146,11 @@ class UsersService
       membership = @user.coursememberships.all(:conditions => Course.visible_condition(User.current))
     end
     membership.sort! {|older, newer| newer.created_on <=> older.created_on }
-    membership
+    course_list = []
+    membership.each do |mp|
+      course_list << {:course => mp.course,:img_url => url_to_avatar(mp.course)}
+    end
+    course_list
   end
   
   #修改密码