diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index c92f39d34..c20dfa36d 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -18,7 +18,7 @@
 class WelcomeController < ApplicationController
   caches_action :robots
   # before_filter :fake, :only => [:index, :course]
-  before_filter :entry_select_course, :entry_select_contest, :entry_select_user, :only => [:index]
+  before_filter :entry_select, :only => [:index]
  
   def index
 
@@ -92,9 +92,27 @@ class WelcomeController < ApplicationController
 
   private
 
+  def entry_select
+    url = request.original_url
+    if url.include?("course.trustie.net")
+      render :course
+      return 0
+    elsif url.include?("contest.trustie.net")
+      contest
+      render :contest
+      return 0
+    elsif url.include?("user.trustie.net")
+      redirect_to(:controller => "users", :action => "index")
+    end
+      
+    
+  end
+
   # 判断网站的入口，是课程 course 则跳过index去渲染 course 方法
   def entry_select_course
-    (course() and render :course and return 0) if request.original_url.match(/course\.trustie\.net/)
+    if request.original_url.match(/course\.trustie\.net/)
+      (course() and render :course and return 0) 
+    end
   end
   
   def entry_select_contest