diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index 4920f6f30..1b863cd22 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -75,7 +75,7 @@ module Mobile
         end
         get 'teachers' do
           cs = CoursesService.new
-          teachers = cs.course_teacher_or_student_list({role: 1}, params[:course_id])
+          teachers = cs.course_teacher_or_student_list({role: 1}, params[:course_id],current_user)
           {status: 0, data: teachers}
         end
 
@@ -85,7 +85,7 @@ module Mobile
         end
         get 'teachers' do
           cs = CoursesService.new
-          teachers = cs.course_teacher_or_student_list({role: 2}, params[:course_id])
+          teachers = cs.course_teacher_or_student_list({role: 2}, params[:course_id],current_user)
           {status: 0, data: teachers}
         end
 
diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index 6102160b3..c0322e0cb 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -124,6 +124,7 @@ class AccountController < ApplicationController
         when '1'
           #register_by_email_activation(@user)
           unless @user.new_record?
+            flash[:notice] = l(:notice_account_register_done)
             render action: 'email_valid', locals: {:mail => user.mail}
           end
         when '3'
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index c1a7d9237..564033627 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -245,9 +245,14 @@ class CoursesController < ApplicationController
         #@members = @course.member_principals.includes(:roles, :principal).all.sort
     end
     cs = CoursesService.new
-    @members = cs.course_teacher_or_student_list(params,@course)
+    @members = cs.course_teacher_or_student_list(params,@course,User.current)
     @members = paginateHelper @members
     render :layout => 'base_courses'
+
+  rescue Exception => e
+    if e.message == '403'
+      render_403
+    end
   end
 
   #判断指定用户是否为课程教师
diff --git a/app/helpers/account_helper.rb b/app/helpers/account_helper.rb
index 3be096492..8ef2d6095 100644
--- a/app/helpers/account_helper.rb
+++ b/app/helpers/account_helper.rb
@@ -24,7 +24,7 @@ module AccountHelper
     if user.save and token.save
       UserStatus.create(:user_id => user.id, :changsets_count => 0, :watchers_count => 0)
       Mailer.register(token).deliver
-      flash[:notice] = l(:notice_account_register_done)
+      #flash[:notice] = l(:notice_account_register_done)
       #render action: 'email_valid', locals: {:mail => user.mail}
     else
       yield if block_given?
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 4b1428b5f..bb36f3cb3 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -1,6 +1,7 @@
 class CoursesService
   include ApplicationHelper
   include CoursesHelper
+  #TODO:尚未整合权限系统
   #参数school_id为0或不传时返回所有课程，否则返回对应学校的课程
   #参数per_page_count分页功能，每页显示的课程数
   #参数page分页功能，当前页码
@@ -48,20 +49,28 @@ class CoursesService
     url_to_avatar(obj)
   end
 
-  #课程老师或课程学生列表
-  def course_teacher_or_student_list params,course
-    @teachers= searchTeacherAndAssistant(course)
+  #课程老师或课程学生列表 TODO:更新业务逻辑，当前版本未包含分班功能
+  def course_teacher_or_student_list params,course,current_user
+    if course.is_a?(Course)
+      c = course
+    else
+      c = Course.find(course)
+    end
+    if !(current_user.admin? || c.is_public == 1 || (c.is_public == 0 && current_user.member_of_course?(c)))
+      raise '403'
+    end
+    @teachers= searchTeacherAndAssistant(c)
     #@canShowCode = isCourseTeacher(User.current.id,course) && params[:role] != '1'
     case params[:role]
       when '1'
         #@subPage_title = l :label_teacher_list
-        @members = searchTeacherAndAssistant(course)
+        @members = searchTeacherAndAssistant(c)
       when '2'
         #@subPage_title = l :label_student_list
-        @members = searchStudent(course)
+        @members = searchStudent(c)
       else
         #@subPage_title = ''
-        @members = @course.member_principals.includes(:roles, :principal).all.sort
+        @members = c.member_principals.includes(:roles, :principal).all.sort
     end
     @members
   end
@@ -74,6 +83,11 @@ class CoursesService
     scope = @course ? @course.news.course_visible : News.course_visible
   end
 
+  #显示课程通知
+  def show_course_news
+
+  end
+
   def show_course params
     course = Course.find(params[:id])
     course
@@ -178,4 +192,17 @@ class CoursesService
     [@state,course]
   end
 
+  #作业列表
+  #已提交的作业数量获取 bid.homeworks.count
+  #学生提问数量获取 bid.commit.nil? ? 0 : bid.commit
+  def homework_list params,current_user
+    if @course.is_public != 0 || current_user.member_of_course?(@course)
+      @offset, @limit = api_offset_and_limit({:limit => 10})
+      @bids = @course.homeworks.order('deadline DESC')
+      @bids = @bids.like(params[:name]) if params[:name].present?
+    else
+      raise '403'
+    end
+  end
+
 end
\ No newline at end of file