diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index 913612f80..40a9fab63 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -25,7 +25,7 @@ class AccountController < ApplicationController
   # Login request and validation
   def login
     if request.get?
-      @login = params[:login]
+      @login = params[:login] || true
       if User.current.logged?
         redirect_to home_url
       else
@@ -39,10 +39,10 @@ class AccountController < ApplicationController
   # Log out current user and redirect to welcome page
   def logout
     if User.current.anonymous?
-      redirect_to home_url
+      redirect_to signin_path
     elsif request.post?
       logout_user
-      redirect_to home_url
+      redirect_to signin_path
     end
     # display the logout form
   end
diff --git a/app/views/layouts/_logined_header.html.erb b/app/views/layouts/_logined_header.html.erb
index 5cd2b915b..40b65f9f9 100644
--- a/app/views/layouts/_logined_header.html.erb
+++ b/app/views/layouts/_logined_header.html.erb
@@ -50,7 +50,9 @@
         <ul class="topnav_login_list">
           <li><a href="javascript:void(0);" class="menuGrey">修改资料</a> </li>
           <!--<li><a href="javascript:void(0);" class="menuGrey">账号设置</a> </li>-->
-          <li><a href="<%= signout_path %>" class="menuGrey" >退出</a></li>
+          <li>
+            <%= link_to "退出",signout_path,:class => "menuGrey",:method => "post"%>
+          </li>
         </ul>
       </li>
     </ul>
@@ -71,4 +73,11 @@
     }).mouseout(function(){
         $("#navHomepageSearchType").hide();
     });
+
+    function signout(){
+        $.post(
+                '<%= signout_path%>',
+                {}
+        );
+    }
 </script>
diff --git a/app/views/layouts/login.html.erb b/app/views/layouts/login.html.erb
index 0349caf13..3cd1fc25e 100644
--- a/app/views/layouts/login.html.erb
+++ b/app/views/layouts/login.html.erb
@@ -7,7 +7,7 @@
   <meta name="keywords" content="issue,bug,tracker" />
   <%= csrf_meta_tag %>
   <%= favicon %>
-  <%= stylesheet_link_tag 'jquery/jquery-ui-1.9.2', 'new_public', 'user_leftside', :media => 'all' %>
+  <%= stylesheet_link_tag 'jquery/jquery-ui-1.9.2', 'new_user', 'user_leftside', :media => 'all' %>
   <%= stylesheet_link_tag 'rtl', :media => 'all' if l(:direction) == 'rtl' %>
   <%= javascript_heads %>
   <%= javascript_include_tag "bootstrap","avatars","new_user"%>