diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index 36b7e8598..c4a03adcf 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -153,6 +153,7 @@ class AdminController < ApplicationController
       @first_page.image_width = params[:image_width]
       @first_page.image_height = params[:image_height]
       @first_page.sort_type = params[:sort_type]
+      @first_page.show_course = params[:show_course]
       if @first_page.save
         respond_to do |format|
           flash[:notice] = l(:notice_successful_update)
diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index 0cca7be6e..236665b7f 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -24,6 +24,7 @@ class WelcomeController < ApplicationController
  
   def index
     @first_page = FirstPage.where("page_type = 'project'").first
+    @show_course = @first_page.show_course
     if @first_page.nil? ||  @first_page.sort_type.nil?
       @projects = find_miracle_project(10, 3,"grade desc")
     else
diff --git a/app/views/admin/first_page_made.html.erb b/app/views/admin/first_page_made.html.erb
index b83e54db1..601b2b8d8 100644
--- a/app/views/admin/first_page_made.html.erb
+++ b/app/views/admin/first_page_made.html.erb
@@ -27,24 +27,28 @@
       <label for='image_height' style="vertical-align: top">&nbsp;&nbsp;&nbsp;<%= l(:label_imgae_height)%>:</label>
       <%= text_field_tag  'image_height', params[:label_imgae_height], :value => @first_page.image_height,:size => 30,:style => "font-size:small;width:490px;margin-left:10px;" %>
     </p>
-    <!-- <p style="margin-left:60px;padding-right: 20px;">
-      <label for='title'>&nbsp;&nbsp;&nbsp;<#%= l(:label_site_title) %>:</label>
-      <#%= text_field_tag 'title', params[:label_site_title], :value => @first_page.title,:size => 30,:style => "font-size:small;width:490px;margin-left:10px;" %>
-      </p> -->
+    <p style="margin-left:60px;padding-right: 20px;">
+      <label for='title'>&nbsp;&nbsp;&nbsp;<%= l(:label_show_course) %>:</label>
+      <select name="show_course" id="show_course" style="font-size:small;width:497px;margin-left:10px;display: inline">
+        <option value="1" <%= "selected=selected" if @first_page.show_course == 1 %>><%= l(:general_text_yes) %></option>
+        <option value="2" <%= "selected=selected" if @first_page.show_course == 2 %>><%= l(:general_text_no) %></option>
+      </select>
+      </p>
+    <p style="margin-left:60px;padding-right: 20px;">
+      <label for='sort_type' style="vertical-align: top">&nbsp;&nbsp;&nbsp;<%= l(:label_sort_type)%>:</label>
+      <select name="sort_type" id="sort_type" style="font-size:small;width:497px;margin-left:80px;">
+        <option value="1" <%= "selected=selected" if @first_page.sort_type == 1 %>><%= l(:label_sort_by_active) %></option>
+        <option value="2" <%= "selected=selected" if @first_page.sort_type == 2 %>><%= l(:label_sort_by_influence) %></option>
+        <option value="0" <%= "selected=selected" if @first_page.sort_type == 0 %>><%= l(:label_sort_by_time) %></option>
+      </select>
+    </p>
     <p style="margin-left:60px;padding-right: 20px;">
       <label for='description' style="vertical-align: top">&nbsp;&nbsp;&nbsp;<%= l(:label_site_description)%>:</label>
       <!-- <#%= text_area_tag 'description',@first_page.description,:rows => 8, :size => 30,:style => "font-size:small;width:490px;margin-left:10px;" %> -->
       <%= text_area 'first_page', 'description', :value => @first_page.description,:cols => 80, :rows => 15, :class => 'wiki-edit' %>
       <%= wikitoolbar_for 'first_page_description' %>
     </p>
-    <p style="margin-left:60px;padding-right: 20px;">
-      <label for='sort_type' style="vertical-align: top">&nbsp;&nbsp;&nbsp;<%= l(:label_sort_type)%>:</label>
-      <select name="sort_type" id="sort_type" style="font-size:small;width:496px;margin-left:80px;">
-        <option value="1" <%= "selected=selected" if @first_page.sort_type == 1 %>><%= l(:label_sort_by_active) %></option>
-        <option value="2" <%= "selected=selected" if @first_page.sort_type == 2 %>><%= l(:label_sort_by_influence) %></option>
-        <option value="0" <%= "selected=selected" if @first_page.sort_type == 0 %>><%= l(:label_sort_by_time) %></option>
-      </select>
-    </p>
+
 
       <%= submit_tag l(:button_save), :class => "small", :name => nil %>
 <% end %>
diff --git a/app/views/layouts/_base_header.html.erb b/app/views/layouts/_base_header.html.erb
index 17f0d1e60..98e14c00a 100644
--- a/app/views/layouts/_base_header.html.erb
+++ b/app/views/layouts/_base_header.html.erb
@@ -40,8 +40,10 @@
 		<li style="padding:0 0; margin:0 0;display:inline;border-bottom: 0;" class="loggedas_li">
 			<%=link_to_user(User.current)%>
 			<ul class="sub_menu">
+              <% if @show_course.nil? || @show_course != 2 %>
 				<% if User.current.user_extensions && [UserExtensions::TEACHER, UserExtensions::STUDENT].include?(User.current.user_extensions.identity) -%>
                  <% hasCourse=true%>
+
 				<li  id="course_loggedas_li"><%=link_to l(:label_my_course), {:controller => 'users', :action => 'user_courses', id: User.current.id, host: Setting.course_domain} %>
                   <ul class="course_sub_menu">
                     <% User.current.courses.each do |course| %>
@@ -51,7 +53,9 @@
                     <% end %>
                   </ul>
                 </li>
+
 				<% end -%>
+              <% end %>
               <li id="project_loggedas_li"><%= link_to l(:label_my_projects), {:controller => 'users', :action => 'user_projects', id: User.current.id, host: Setting.project_domain} %>
 
                 <% if hasCourse %>
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 73629d72b..3f9e3200a 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -579,6 +579,7 @@ zh:
   label_sort_type: 热门项目排序方式
   label_contest_notification_title: 竞赛通知标题
   label_contest_notification_content: 竞赛通知内容
+  label_show_course: 显示课程
   #by young
   label_requirement: 需求
   label_new_course: 课程列表
diff --git a/db/migrate/20140728014933_first_page_add_column.rb b/db/migrate/20140728014933_first_page_add_column.rb
new file mode 100644
index 000000000..408cdc54c
--- /dev/null
+++ b/db/migrate/20140728014933_first_page_add_column.rb
@@ -0,0 +1,5 @@
+class FirstPageAddColumn < ActiveRecord::Migration
+  def change
+    add_column("first_pages","show_course",:integer,default: 1)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 219666f79..05886b190 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140725073357) do
+ActiveRecord::Schema.define(:version => 20140728014933) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -425,6 +425,7 @@ ActiveRecord::Schema.define(:version => 20140725073357) do
     t.integer  "sort_type"
     t.integer  "image_width",  :default => 107
     t.integer  "image_height", :default => 63
+    t.integer  "show_course",  :default => 1
   end
 
   create_table "forums", :force => true do |t|
@@ -438,26 +439,6 @@ ActiveRecord::Schema.define(:version => 20140725073357) do
     t.datetime "updated_at",                   :null => false
   end
 
-  create_table "gitlab_projects", :force => true do |t|
-    t.integer  "gitlab_project_id"
-    t.integer  "project_id"
-    t.string   "repository_url"
-    t.string   "web_url"
-    t.string   "localfile_url"
-    t.datetime "created_at",        :null => false
-    t.datetime "updated_at",        :null => false
-  end
-
-  create_table "gitlab_users", :force => true do |t|
-    t.integer  "gitlab_user_id"
-    t.integer  "user_id"
-    t.string   "email"
-    t.string   "password"
-    t.string   "login",          :null => false
-    t.datetime "created_at",     :null => false
-    t.datetime "updated_at",     :null => false
-  end
-
   create_table "groups_users", :id => false, :force => true do |t|
     t.integer "group_id", :null => false
     t.integer "user_id",  :null => false
@@ -900,6 +881,19 @@ ActiveRecord::Schema.define(:version => 20140725073357) do
 
   add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
 
+  create_table "rich_rich_files", :force => true do |t|
+    t.datetime "created_at",                                 :null => false
+    t.datetime "updated_at",                                 :null => false
+    t.string   "rich_file_file_name"
+    t.string   "rich_file_content_type"
+    t.integer  "rich_file_file_size"
+    t.datetime "rich_file_updated_at"
+    t.string   "owner_type"
+    t.integer  "owner_id"
+    t.text     "uri_cache"
+    t.string   "simplified_type",        :default => "file"
+  end
+
   create_table "roles", :force => true do |t|
     t.string  "name",              :limit => 30, :default => "",        :null => false
     t.integer "position",                        :default => 1