diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index cd1de16fc..6c275850b 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -55,11 +55,11 @@ class CoursesController < ApplicationController
 
   def join
     if User.current.logged?
-        cs = CoursesService.new
-        @user = User.current
-        join = cs.join_course params,@user
-        @state = join[:state]
-        @course = join[:course]
+      cs = CoursesService.new
+      @user = User.current
+      join = cs.join_course params,@user
+      @state = join[:state]
+      @course = join[:course]
       # else
       #   @course = Course.find_by_id params[:object_id]
       #   CourseMessage.create(:user_id => @course.tea_id, :course_id => @course.id, :viewed => false,:content=> params[:role],:course_message_id=>User.current.id,:course_message_type=>'JoinCourseRequest')
@@ -70,7 +70,7 @@ class CoursesController < ApplicationController
     end
     @object_id = params[:object_id]
     respond_to do |format|
-        format.js #{ render :partial => 'set_join', :locals => {:user => @user, :course => @course, :object_id => params[:object_id]} }
+      format.js #{ render :partial => 'set_join', :locals => {:user => @user, :course => @course, :object_id => params[:object_id]} }
     end
 
   end
@@ -85,7 +85,7 @@ class CoursesController < ApplicationController
     end
   end
 
-  
+
   def join_private_courses
     respond_to do |format|
       format.js
@@ -98,14 +98,14 @@ class CoursesController < ApplicationController
     c = cs.edit_course params,@course,User.current
     @course = c[:course]
     if @course.errors.full_messages.count <= 0
-        respond_to do |format|
-          format.html {
-            # render :layout => 'base_courses'
-            flash[:notice] = l(:notice_successful_update)
-            redirect_to settings_course_url(@course)
-          }
-          format.api  { render_api_ok }
-        end
+      respond_to do |format|
+        format.html {
+          # render :layout => 'base_courses'
+          flash[:notice] = l(:notice_successful_update)
+          redirect_to settings_course_url(@course)
+        }
+        format.api  { render_api_ok }
+      end
     else
       respond_to do |format|
         format.html {
@@ -134,8 +134,8 @@ class CoursesController < ApplicationController
       courses = Course.visible.where("LOWER(name) like '%#{params[:name].to_s.downcase}%'").order("time desc, created_at desc")
       @courses = paginateHelper courses,10
     end
-   @name = params[:name]
-   @type = 'courses'
+    @name = params[:name]
+    @type = 'courses'
     respond_to do |format|
       format.html {
         render :layout => 'course_base'
@@ -277,7 +277,7 @@ class CoursesController < ApplicationController
   def member
     ## 有角色参数的才是课程，没有的就是项目
     if (User.current.admin? || @course.is_public == 1 || (@course.is_public == 0 && User.current.member_of_course?(@course)))
-      
+
       @render_file = 'new_member_list'
       @score_sort_by = "desc"
       @canShowCode = User.current.allowed_to?(:as_teacher,@course) && params[:role] != '1'
@@ -312,7 +312,7 @@ class CoursesController < ApplicationController
   def export_course_member_excel
     @all_members = student_homework_score(0,0,0,"desc")
     filename="#{@course.teacher.lastname.to_s + @course.teacher.firstname.to_s }_#{@course.name}_#{@course.time.to_s + @course.term}#{l(:excel_member_list)}";
-   
+
     respond_to do |format|
       format.xls {
         send_data(member_to_xls(@all_members,@course.course_groups), :type => "text/excel;charset=utf-8; header=present",
@@ -426,7 +426,7 @@ class CoursesController < ApplicationController
   end
 
   def course
-     @school_id = params[:school_id]
+    @school_id = params[:school_id]
     per_page_option = 10
     if @school_id == "0" or @school_id.nil?
       @courses_all = Course.active.visible.
@@ -514,8 +514,8 @@ class CoursesController < ApplicationController
 
   def index
     if !User.current.admin?
-       render_404
-       return
+      render_404
+      return
     end
     @course_type = params[:course_type]
     @school_id = params[:school_id]
@@ -564,7 +564,7 @@ class CoursesController < ApplicationController
 
     respond_to do |format|
       format.html {
-         render :layout => 'base'
+        render :layout => 'base'
       }
       format.atom {
         courses = Course.visible.order('created_on DESC').limit(Setting.feeds_limit.to_i).all
@@ -683,10 +683,10 @@ class CoursesController < ApplicationController
   end
 
   def feedback
-   @course.journals_for_messages.each do |messages|
-     query = messages.course_messages.where("user_id = ?", User.current.id)
-     query.update_all(:viewed => true);
-   end
+    @course.journals_for_messages.each do |messages|
+      query = messages.course_messages.where("user_id = ?", User.current.id)
+      query.update_all(:viewed => true);
+    end
 
     if (User.current.admin? || @course.is_public == 1 || (@course.is_public == 0 && User.current.member_of_course?(@course)))
       page = params[:page]
@@ -737,20 +737,20 @@ class CoursesController < ApplicationController
 
   #从课程创建的老师那里选择课程大纲
   def course_outline
-      @teacher = User.find(@course.tea_id)
-      @blog_articles = @teacher.blog.articles
-      @is_in_show_outline_page = params[:is_in_show_outline_page]
-      respond_to do |format|
-        format.js
-      end
+    @teacher = User.find(@course.tea_id)
+    @blog_articles = @teacher.blog.articles
+    @is_in_show_outline_page = params[:is_in_show_outline_page]
+    respond_to do |format|
+      format.js
+    end
   end
 
   #根据关键字搜索，查找方法一样的，但返回内容不一样
   def search_course_outline
-     @article_title = params[:title]
-     @teacher = User.find(@course.tea_id)
-     @blog_articles = @teacher.blog.articles.like(@article_title)
-     render :json=>@blog_articles.to_json
+    @article_title = params[:title]
+    @teacher = User.find(@course.tea_id)
+    @blog_articles = @teacher.blog.articles.like(@article_title)
+    render :json=>@blog_articles.to_json
   end
 
   #设置或者更改课程的大纲
@@ -796,7 +796,7 @@ class CoursesController < ApplicationController
   def can_show_course
     @first_page = FirstPage.find_by_page_type('project')
     if @first_page.try(:show_course) == 2
-       render_404
+      render_404
     end
   end
 
diff --git a/app/views/courses/settings.html.erb b/app/views/courses/settings.html.erb
index 5c3918f00..ce56537c1 100644
--- a/app/views/courses/settings.html.erb
+++ b/app/views/courses/settings.html.erb
@@ -107,15 +107,15 @@
 </div><!--talknew end-->
 <div class="cl"></div>
 <script type="text/javascript">
-  function select() {
-      $('#ajax-modal').html('<%= escape_javascript(render :partial => 'courses/term_select') %>');
-      showModal('ajax-modal', '500px');
-      $('#ajax-modal').siblings().remove();
-      $('#ajax-modal').before("<span style='float: right;cursor:pointer;'>" +
-              "<a href='javascript:' onclick='clickCanel();'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
-      $('#ajax-modal').parent().css("top","").css("left","");
-      $('#ajax-modal').parent().addClass("anonymos");
-  }
-  $("#time_selected").click(select);
-  $("#term_selected").click(select);
-</script>
+    function select() {
+        $('#ajax-modal').html('<%= escape_javascript(render :partial => 'courses/term_select') %>');
+        showModal('ajax-modal', '500px');
+        $('#ajax-modal').siblings().remove();
+        $('#ajax-modal').before("<span style='float: right;cursor:pointer;'>" +
+                "<a href='javascript:' onclick='clickCanel();'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
+        $('#ajax-modal').parent().css("top","").css("left","");
+        $('#ajax-modal').parent().addClass("anonymos");
+    }
+    $("#time_selected").click(select);
+    $("#term_selected").click(select);
+</script>