diff --git a/core/pluggable.coffee b/core/pluggable.coffee
index a37b0ff..587b8a6 100644
--- a/core/pluggable.coffee
+++ b/core/pluggable.coffee
@@ -111,19 +111,3 @@ exports.initializePlugins = (callback) ->
           initializeService plugin, callback
       , callback
   ], callback
-
-exports.writeConfig = (path, content, callback) ->
-  tmp.file
-    mode: 0o750
-  , (err, filepath, fd) ->
-    fs.writeSync fd, content, 0, 'utf8'
-    fs.closeSync fd
-
-    child_process.exec "sudo cp #{filepath} #{path}", (err) ->
-      throw err if err
-
-      fs.unlink path, ->
-        callback()
-
-exports.sudoSu = (account, command) ->
-  return "sudo su #{account.username} -c '#{command}'"
diff --git a/plugin/rpvhost/action.coffee b/plugin/rpvhost/action.coffee
deleted file mode 100644
index 6ac9b09..0000000
--- a/plugin/rpvhost/action.coffee
+++ /dev/null
@@ -1,7 +0,0 @@
-{renderAccount} = require '../../core/middleware'
-
-module.exports = exports = express.Router()
-
-if config.plugins.rpvhost.index_page
-  app.get '/', renderAccount, (req, res) ->
-    res.render path.join(__dirname, './view/index')
diff --git a/plugin/rpvhost/index.coffee b/plugin/rpvhost/index.coffee
index 8e09e51..d10ec1c 100644
--- a/plugin/rpvhost/index.coffee
+++ b/plugin/rpvhost/index.coffee
@@ -1,10 +1,16 @@
-action = require './action'
+path = require 'path'
 
-app.view_hook.menu_bar.push
-  href: '//blog.rpvhost.net'
-  target: '_blank'
-  html: '官方博客'
+{pluggable} = app
+{renderAccount} = app.middleware
 
 module.exports =
   name: 'rpvhost'
   type: 'extension'
+
+pluggable.registerHook 'view.layout.menu_bar', module.exports,
+  href: '//blog.rpvhost.net'
+  target: '_blank'
+  body: '官方博客'
+
+app.get '/', renderAccount, (req, res) ->
+  res.render path.join(__dirname, './view/index')
diff --git a/plugin/wiki/index.coffee b/plugin/wiki/index.coffee
index deb3652..3e5b02a 100644
--- a/plugin/wiki/index.coffee
+++ b/plugin/wiki/index.coffee
@@ -1,33 +1,14 @@
-markdown = require('markdown').markdown
-path = require 'path'
-fs = require 'fs'
-
 {pluggable} = app
 {renderAccount} = app.middleware
 
+wiki = require './wiki'
+
 module.exports =
   name: 'wiki'
   type: 'extension'
 
-pluggable.hooks.view.layout.menu_bar.push
+pluggable.registerHook 'view.layout.menu_bar', module.exports,
   href: '/wiki/'
   body: '用户手册'
 
-app.use '/wiki', renderAccount, (req, res) ->
-  url = req.url.substr '/wiki'.length
-
-  unless url
-    url = 'README.md'
-
-  filename = path.resolve path.join __dirname, '../../WIKI', url
-  baseDir = path.resolve path.join __dirname, '../../WIKI'
-
-  unless filename[0 .. baseDir.length - 1] == baseDir
-    return res.status(403).end()
-
-  fs.readFile filename, (err, data) ->
-    if err
-      return res.status(404).send err.toString()
-    res.render 'wiki',
-      title: url
-      content: markdown.toHTML data.toString()
+app.use '/wiki', renderAccount, wiki.router
diff --git a/plugin/wiki/locale/zh_CN.json b/plugin/wiki/locale/zh_CN.json
new file mode 100644
index 0000000..0db3279
--- /dev/null
+++ b/plugin/wiki/locale/zh_CN.json
@@ -0,0 +1,3 @@
+{
+
+}
diff --git a/plugin/wiki/wiki.coffee b/plugin/wiki/wiki.coffee
new file mode 100644
index 0000000..91b32ba
--- /dev/null
+++ b/plugin/wiki/wiki.coffee
@@ -0,0 +1,22 @@
+markdown = require('markdown').markdown
+path = require 'path'
+fs = require 'fs'
+
+exports.router = (req, res) ->
+  url = req.url.substr '/wiki'.length
+
+  unless url
+    url = 'README.md'
+
+  filename = path.resolve path.join __dirname, '../../WIKI', url
+  baseDir = path.resolve path.join __dirname, '../../WIKI'
+
+  unless filename[0 .. baseDir.length - 1] == baseDir
+    return res.status(403).end()
+
+  fs.readFile filename, (err, data) ->
+    if err
+      return res.status(404).send err.toString()
+    res.render 'wiki',
+      title: url
+      content: markdown.toHTML data.toString()
diff --git a/sample/rpvhost.config.coffee b/sample/rpvhost.config.coffee
index e69de29..e923532 100644
--- a/sample/rpvhost.config.coffee
+++ b/sample/rpvhost.config.coffee
@@ -0,0 +1,67 @@
+module.exports =
+  web:
+    name: 'RP 主机'
+    url: 'http://rpvhost.net'
+    listen: '/home/rpadmin/rootpanel.sock'
+    google_analytics_id: 'UA-49193300-2'
+
+  account:
+    cookie_time: 30 * 24 * 3600 * 1000
+
+  i18n:
+    version: '0.1'
+    available_language: ['zh_CN']
+    default_language: 'zh_CN'
+    default_timezone: 'Asia/Shanghai'
+
+  plugin:
+    available_extensions: ['rpvhost', 'bitcoin', 'wiki']
+    available_services: []
+
+  billing:
+    currency: 'CNY'
+
+    force_freeze:
+      when_balance_below: 0
+      when_arrears_above: 0
+
+    billing_cycle: 10 * 60 * 1000
+
+  plans:
+    all:
+      t_name: 'plans.all.name'
+      t_description: 'plans.all.name.description'
+
+      billing_by_time:
+        unit: 24 * 3600 * 1000
+        price: 10 / 30
+
+      services: []
+      resources: {}
+
+  mongodb:
+    user: 'rpadmin'
+    password: 'password'
+    host: 'localhost'
+    name: 'RootPanel'
+
+  redis:
+    host: '127.0.0.1'
+    port: 6379
+    password: 'password'
+    prefix: 'RP'
+
+  redis_password: 'password'
+
+  email:
+    send_from: 'robot@rpvhost.net'
+
+    account:
+      service: 'Postmark'
+      auth:
+        user: 'postmark-api-token'
+        pass: 'postmark-api-token'
+
+  plugins:
+    bitcoin:
+      coinbase_api_key: 'coinbase-simple-api-key'