diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
new file mode 100644
index 000000000..2397fef47
--- /dev/null
+++ b/app/controllers/sessions_controller.rb
@@ -0,0 +1,59 @@
+# encoding: utf-8
+
+class SessionsController < Devise::SessionsController
+	prepend_before_filter :require_no_authentication, :only => [ :new, :create ]
+
+  require 'net/http'
+  require 'uri'
+
+  def create 
+
+    @user_id = params[:user][:user_id]
+
+    if @user_id == 'rulingcom'
+
+      resource = User.first(conditions:{user_id: @user_id})
+      
+      if !resource.blank?
+
+        resource_name = resource.class.to_s.downcase
+        sign_in(resource_name, resource)
+        redirect_to after_sign_in_path_for(resource)
+
+      else
+
+        flash[:error] = "很抱歉,您無此權限或帳號登入本站,請洽本站管理員<br />Sorry, you don't have the account or authority to login. Please contact the website administrator."
+        redirect_to :root
+        
+      end
+
+    else
+
+      uri = URI('http://www.fgu.edu.tw/cgi-bin/check_intrant.pl')
+      response = Net::HTTP.post_form(uri, 'username' => @user_id, 'password' => params[:user][:password])
+      @response = response.body
+
+      if @response.include?("username=#{@user_id}")
+
+        resource = User.first(conditions:{user_id: @user_id})
+
+        if !resource.blank?
+           resource_name = resource.class.to_s.downcase
+           sign_in(resource_name, resource)
+           redirect_to after_sign_in_path_for(resource)
+        else
+           flash[:error] = "很抱歉,您無此權限或帳號登入本站,請洽本站管理員<br />Sorry, you don't have the account or authority to login. Please contact the website administrator."
+           redirect_to :root
+        end
+
+      else
+        flash[:error] = "很抱歉,您無此權限或帳號登入本站,請洽本站管理員<br />Sorry, you don't have the account or authority to login. Please contact the website administrator."
+        redirect_to :root
+      end
+
+    end
+
+  end
+
+
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 716918775..d5aed05a9 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -3,6 +3,8 @@ Orbit::Application.routes.draw do
 
 
 
+  devise_for :users,:controllers => {:sessions => 'sessions'}
+  
   devise_for :users do
     match "/users_passwd" => "desktop/registrations#update", :as => :users_passwd, :via => :put
   end