diff --git a/app.coffee b/app.coffee
index 3c78860..7b13bf6 100644
--- a/app.coffee
+++ b/app.coffee
@@ -59,14 +59,14 @@ exports.run = ->
 
     app.use connect.json()
     app.use connect.urlencoded()
-    app.use connect.cookieParser()
     app.use connect.logger()
+    app.use require('cookie-parser')()
 
     app.use require 'middleware-injector'
 
     app.use (req, res, next) ->
       res.locals.app = app
-      res.locals.res = res
+      res.locals.req = req
       res.locals.config = app.config
       res.locals.t = res.t = app.i18n.getTranslator req
 
@@ -84,7 +84,7 @@ exports.run = ->
     app.set 'views', path.join(__dirname, 'core/view')
     app.set 'view engine', 'jade'
 
-    app.get '/locale/:language', app.i18n.downloadLocales
+    app.get '/locale/:language?', app.i18n.downloadLocales
 
     app.use '/account', require './core/router/account'
     app.use '/billing', require './core/router/billing'
diff --git a/core/i18n.coffee b/core/i18n.coffee
index 24c19aa..0b11a58 100644
--- a/core/i18n.coffee
+++ b/core/i18n.coffee
@@ -3,6 +3,7 @@ fs = require 'fs'
 _ = require 'underscore'
 
 stringify = require 'json-stable-stringify'
+Negotiator = require 'negotiator'
 
 utils = require './utils'
 cache = require './cache'
@@ -25,8 +26,8 @@ exports.parseLanguageCode = parseLanguageCode = (language) ->
 
   return {
     language: language
-    lang: lang.toLowerCase()
-    country: country.toUpperCase()
+    lang: lang?.toLowerCase()
+    country: country?.toUpperCase()
   }
 
 exports.calcLanguagePriority = (req) ->
@@ -88,6 +89,7 @@ exports.getTranslator = (req) ->
     return result
 
 exports.pickClientLocale = (req) ->
+  console.log req.cookies
   cache_key = "client.locale:#{req.cookies['language']}/#{req.headers['accept-language']}"
   cached_result = cache.counter.get cache_key
 
diff --git a/core/view/layout.jade b/core/view/layout.jade
index ba46759..e2dfad0 100644
--- a/core/view/layout.jade
+++ b/core/view/layout.jade
@@ -8,7 +8,7 @@ html
       for hook in selectHook('view.layout.styles')
         link(rel='stylesheet', href=hook.path)
 
-  body(data-locale-version=app.i18n.clientLocaleHash(res))
+  body(data-locale-version=app.i18n.clientLocaleHash(req))
     header.navbar-fixed-top
       .container
         nav.navbar.navbar-default.navbar-inverse(role='navigation')
@@ -75,8 +75,7 @@ html
           (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
           m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
           })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
-          ga('create', '#{config.web.google_analytic
-          s_id}', 'auto');
+          ga('create', '#{config.web.google_analytics_id}', 'auto');
           ga('send', 'pageview');
       script(src='http://cdn.staticfile.org/jquery/2.0.3/jquery.min.js')
       script(src='http://cdn.staticfile.org/jquery-cookie/1.4.1/jquery.cookie.min.js')
diff --git a/package.json b/package.json
index e1fbbab..837efea 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
         "tmp": "^0.0.24",
         "underscore": "^1.6.0",
         "json-stable-stringify": "^1.0.0",
-        "counter-cache": "^0.1.0"
+        "counter-cache": "^0.1.0",
+        "cookie-parser": "^1.3.3"
     }
 }
diff --git a/plugin/rpvhost/view/index.jade b/plugin/rpvhost/view/index.jade
index 913625c..61667e2 100644
--- a/plugin/rpvhost/view/index.jade
+++ b/plugin/rpvhost/view/index.jade
@@ -1,9 +1,9 @@
 extends ../../../core/view/layout
 
-prepend head
+prepend header
   title RP 主机：Linux 虚拟主机 | #{t('app.name')}
 
-append head
+append header
   link(rel='stylesheet', href='/plugin/rpvhost/style/index.css')
 
 block content