diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index 9330d1d44..516b88310 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -148,7 +148,7 @@ class WelcomeController < ApplicationController
   end
 
   private
-
+  # 判断网站的入口，是课程 course 则跳过index去渲染 course 方法
   def entry_select
     url = request.original_url
     if url.include?("course.trustie.net")
@@ -166,28 +166,6 @@ class WelcomeController < ApplicationController
     
   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
-    if request.original_url.match(/.*course\.trustie\.net/)
-      (course() and render :course and return 0) 
-    end
-  end
-  
-  def entry_select_contest
-    if request.original_url.match(/.*contest\.trustie\.net/)
-      contest
-      render :contest
-      return 0
-    end
-  end
-  
-  def entry_select_user
-    if request.original_url.match(/.*user\.trustie\.net$/)
-      redirect_to(:controller => "users", :action => "index")
-      return 0
-    end
-  end
-
   # def render(*args)
   #   _fake if @fake_filter
   #   super