diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index 1587cd61..a4830f2e 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -20,53 +20,12 @@ class WelcomeController < ApplicationController
   before_filter :entry_select_course, :entry_select_contest, :entry_select_user, :only => [:index]
  
   def index
-    # @news = News.latest User.current
-    # @projects = Project.latest User.current
-    #by young
-    (redirect_to(home_url); return) unless Setting.self_registration? || session[:auth_source_registration]
-    if request.get?
-      session[:auth_source_registration] = nil
-      @user = User.new(:language => current_language.to_s)
-    else
-      user_params = params[:user] || {}
-      @user = User.new
-      @user.safe_attributes = user_params
-      @user.admin = false
-      @user.register
-      if session[:auth_source_registration]
-        @user.activate
-        @user.login = session[:auth_source_registration][:login]
-        @user.auth_source_id = session[:auth_source_registration][:auth_source_id]
-        if @user.save
-          session[:auth_source_registration] = nil
-          self.logged_user = @user
-          flash[:notice] = l(:notice_account_activated)
-          redirect_to my_account_path
-        end
-      else
-        @user.login = params[:user][:login]
-        unless user_params[:identity_url].present? && user_params[:password].blank? && user_params[:password_confirmation].blank?
-          @user.password, @user.password_confirmation = user_params[:password], user_params[:password_confirmation]
-        end
+    projectActive       = Project.project_entities.active
+    @projectCount       = projectActive.count
+    @projectPublicCount = projectActive.all_public.count
+    @projectHidenCount  = @projectCount - @projectPublicCount
 
-        case Setting.self_registration
-        when '1'
-          register_by_email_activation(@user)
-        when '3'
-          register_automatically(@user)
-        else
-          register_manually_by_administrator(@user)
-        end
-      end
-    end
-    
-    #add by huang
-    # @memberships = @user.memberships.all(:conditions => Project.visible_condition(User.current))
-
-    # events = Redmine::Activity::Fetcher.new(User.current, :author => @user).events(nil, nil, :limit => 20)
-    # @events_by_day = events.group_by(&:event_date)
-
-    #
+    @developerCount     = User.developer.count
   end
 
   def robots
diff --git a/app/models/user.rb b/app/models/user.rb
index 4042fd84..674e774d 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -123,10 +123,16 @@ class User < Principal
   ## end
 
   scope :teacher, -> {
-    joins(:user_extensions).where('user_extensions.identity = ?', 0)
+    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::TEACHER)
   }
   scope :student, -> {
-    joins(:user_extensions).where('user_extensions.identity = ?', 1)
+    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::STUDENT)
+  }
+  scope :developer, -> {
+    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::DEVELOPER)
+  }
+  scope :enterprise, -> {
+    joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::ENTERPRISE)
   }
 
   attr_accessor :password, :password_confirmation
diff --git a/app/views/welcome/course.html.erb b/app/views/welcome/course.html.erb
index db1c1ea8..e9dc43ac 100644
--- a/app/views/welcome/course.html.erb
+++ b/app/views/welcome/course.html.erb
@@ -207,7 +207,12 @@
 	</div>
 </div>
 <div class="clearfix"></div>
-
+<h3 style="margin-left: 5px; color: #e8770d;"><strong>当前网站状态</strong>
+					活跃课程: <%=@course.count%>
+					高校：  个
+					教师： <%=@teacher.count%> 名
+					学生： <%=@student.count%> 名
+					</h3>
 <div style="padding-top: 40px"></div>
 
 
diff --git a/app/views/welcome/index.html.erb b/app/views/welcome/index.html.erb
index 0af3f513..8cf74b3c 100644
--- a/app/views/welcome/index.html.erb
+++ b/app/views/welcome/index.html.erb
@@ -191,7 +191,7 @@
 	</ul>
 	</div> 
 
-		
+
 <!-- <div id="J_Slide" class="d-p-index-box d-p-index-hotproject" style="float: right;">
 	<h3 style="margin-left: 5px; color: color: (51, 119, 51);"><strong>热门竞赛</strong></h3>
 	<span style="margin-top: -20px;float: right; display: block;"><%= link_to "更多>>", {:controller => 'bids', :action => 'contest', :project_type => 1, :host => Setting.contest_domain}, :target => "_blank"  %></span>
@@ -234,12 +234,18 @@
 			
 
 
+<br/><br/><br/><br/><br/><br/><br/>
+
 <div class="clr">
 </div>
 
-
-<br/><br/><br/><br/><br/><br/><br/>
 <div style="padding-top: 40px"></div>
 
-
-
+<div class="clearfix">
+	<h3 style="margin-left: 5px; color: #e8770d;">
+		<strong>当前网站状态</strong>
+		活跃项目: <%=@projectCount%>个
+		私有项目: <%=@projectHidenCount%>个
+		开发者： <%= @developerCount%>个 
+	</h3>
+</div>