diff --git a/INSTALL.md b/INSTALL.md
index 9c2351f..37ef70f 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -68,6 +68,10 @@
 
         rpadmin ALL=(ALL) NOPASSWD: ALL
 
+    vi /etc/rc.local
+
+        iptables-restore < /etc/iptables.rules
+
     reboot
 
     su rpadmin
diff --git a/WIKI/README.md b/WIKI/README.md
index 78f33f9..fc0e99e 100644
--- a/WIKI/README.md
+++ b/WIKI/README.md
@@ -13,10 +13,6 @@
 * [文件系统](Linux/Filesystem.md)
 * [SSH](Linux/SSH.md)
 
-### Service
-
-* [ShadowSocks](Service/ShadowSocks.md)
-
 ### Nginx
 
 * [JSON 配置文件](Nginx/JSON-Configure.md)
diff --git a/app.coffee b/app.coffee
index eb7f363..7d9887a 100644
--- a/app.coffee
+++ b/app.coffee
@@ -26,11 +26,13 @@ fs.chmodSync path.join(__dirname, 'config.coffee'), 0o750
 bindRouters = ->
   app.use require 'middleware-injector'
 
-  for module_name in ['account', 'admin', 'panel', 'plan', 'ticket', 'wiki', 'bitcoin']
+  for module_name in ['account', 'admin', 'panel', 'plan', 'ticket', 'bitcoin']
     app.use "/#{module_name}", require './core/router/' + module_name
 
   plugin.loadPlugins()
 
+  app.use '/wiki', require './core/router/wiki'
+
   app.get '/', (req, res) ->
     res.redirect '/panel/'
 
diff --git a/config.coffee b/config.coffee
index 74014b0..f803a30 100644
--- a/config.coffee
+++ b/config.coffee
@@ -1,5 +1,6 @@
 module.exports =
   web:
+    name: 'GreenShadow'
     url: 'http://ss.rpvhost.net'
     listen: '/home/rpadmin/rootpanel.sock'
     google_analytics_id: 'UA-49193300-2'
@@ -16,6 +17,8 @@ module.exports =
     available_services: ['shadowsocks']
 
   billing:
+    taobao_item_id: '38370649858'
+
     force_unsubscribe:
       when_balance_below: 0
       when_arrears_above: 0
@@ -31,22 +34,6 @@ module.exports =
       services: ['shadowsocks']
       resources: {}
 
-  nodes:
-    us1:
-      domain: 'us1.rpvhost.net'
-      location: 'Linode Fremont, CA, USA'
-      readme: ''
-
-    jp1:
-      domain: 'jp1.rpvhost.net'
-      location: 'Linode Tokyo, JP'
-      readme: ''
-
-    ss:
-      domain: 'ss.rpvhost.net'
-      location: 'Linode Fremont, CA, USA'
-      readme: 'ShadowSocks Only'
-
   mongodb:
     user: 'rpadmin'
     password: 'password'
diff --git a/core/router/panel.coffee b/core/router/panel.coffee
index a026cff..ce74c35 100644
--- a/core/router/panel.coffee
+++ b/core/router/panel.coffee
@@ -30,7 +30,8 @@ exports.get '/pay', requireAuthenticate, renderAccount, (req, res) ->
     billing_log: (callback) ->
       mBalance.find
         account_id: req.account._id
-        type: 'billing'
+        type:
+          $in: ['billing', 'service_billing']
       ,
         sort:
           created_at: -1
diff --git a/core/router/wiki.coffee b/core/router/wiki.coffee
index 85b720d..7a669d8 100644
--- a/core/router/wiki.coffee
+++ b/core/router/wiki.coffee
@@ -2,9 +2,10 @@ markdown = require('markdown').markdown
 path = require 'path'
 fs = require 'fs'
 
-app.view_hook.menu_bar.push
-  href: '/wiki/'
-  html: '用户手册'
+unless _.find(app.view_hook.menu_bar, (i) -> i.href == '/wiki/')
+  app.view_hook.menu_bar.push
+    href: '/wiki/'
+    html: '用户手册'
 
 {renderAccount} = require './middleware'
 
diff --git a/core/view/layout.jade b/core/view/layout.jade
index 8c6c4b2..4671a4b 100644
--- a/core/view/layout.jade
+++ b/core/view/layout.jade
@@ -18,7 +18,7 @@ html
               span.icon-bar
               span.icon-bar
               span.icon-bar
-            a.navbar-brand(href='/')= t('app.name')
+            a.navbar-brand(href='/')= config.web.name
           #navbar-collapse.collapse.navbar-collapse
             ul.nav.navbar-nav
               for item in app.view_hook.menu_bar
diff --git a/core/view/panel/pay.jade b/core/view/panel/pay.jade
index fa65d71..5343f1f 100644
--- a/core/view/panel/pay.jade
+++ b/core/view/panel/pay.jade
@@ -15,24 +15,8 @@ block main
 
     div
       h2 淘宝
-      p 拍下对应宝贝后付款即可，购买时注意选择服务器节点选项，备注填写你在 RP 主机的用户名。
-      a.btn.btn-success(href='http://item.taobao.com/item.htm?id=38370649858') 淘宝购买
-
-  .row
-    header 机房列表
-    table.table.table-hover
-      thead
-        tr
-          th 域名
-          th 位置
-          th 说明
-      tbody
-        for node in nodes
-          tr
-            td
-              a(href='//#{node.domain}')= node.domain
-            td= node.location
-            td= node.readme
+      p 拍下对应宝贝后付款即可，购买时注意选择服务器节点选项，备注填写你的用户名。
+      a.btn.btn-success(href='http://item.taobao.com/item.htm?id=#{config.billing.taobao_item_id}') 淘宝购买
 
   .row
     header 充值记录
@@ -69,4 +53,7 @@ block main
           tr
             td= moment(item.created_at).format('YYYY-MM-DD HH:mm:ss')
             td #{item.amount.toFixed(2)} CNY
-            td #{item.attribute.plans.join(', ')} | #{item.attribute.billing_time} hours #{item.attribute.is_force ? '| force' : ''}
+            if item.type == 'billing'
+              td #{item.attribute.plans.join(', ')} | #{item.attribute.billing_time} hours #{item.attribute.is_force ? '| force' : ''}
+            else if item.type == 'service_billing' && item.attribute.service == 'shadowsocks'
+              td ShadowSocks #{item.attribute.traffic_mb} MB #{item.attribute.is_force ? '| force' : ''}
diff --git a/WIKI/Service/ShadowSocks.md b/plugin/shadowsocks/WIKI/README.md
similarity index 100%
rename from WIKI/Service/ShadowSocks.md
rename to plugin/shadowsocks/WIKI/README.md
diff --git a/plugin/shadowsocks/action.coffee b/plugin/shadowsocks/action.coffee
index c9548f1..8d782f4 100644
--- a/plugin/shadowsocks/action.coffee
+++ b/plugin/shadowsocks/action.coffee
@@ -1,5 +1,9 @@
+markdown = require('markdown').markdown
+fs = require 'fs'
+path = require 'path'
+
 service = require './service'
-{requireInService} = require '../../core/router/middleware'
+{renderAccount, requireInService} = require '../../core/router/middleware'
 
 mAccount = require '../../core/model/account'
 
@@ -18,3 +22,32 @@ exports.post '/reset_password', (req, res) ->
 
     service.restart req.account, ->
       res.json {}
+
+wiki_router = express.Router()
+
+wiki_router.use (req, res) ->
+  req.inject [renderAccount], ->
+    url = req.url.substr 1
+
+    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.json 404
+
+    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.view_hook.menu_bar.push
+  href: '/wiki/'
+  html: '用户手册'
+
+app.use '/wiki', wiki_router
diff --git a/plugin/shadowsocks/service.coffee b/plugin/shadowsocks/service.coffee
index e3b63d6..55fff72 100644
--- a/plugin/shadowsocks/service.coffee
+++ b/plugin/shadowsocks/service.coffee
@@ -63,8 +63,9 @@ module.exports =
             last_traffic_value: 0
       , new: true, (err, account) ->
         child_process.exec "sudo iptables -I OUTPUT -p tcp --sport #{port}", ->
-          module.exports.restart account, ->
-            callback()
+          child_process.exec 'sudo iptables-save | sudo tee /etc/iptables.rules', ->
+            module.exports.restart account, ->
+              callback()
 
   delete: (account, callback) ->
     queryIptablesInfo (iptables_info) ->
@@ -86,6 +87,9 @@ module.exports =
           (callback) ->
             child_process.exec "sudo iptables -D OUTPUT #{iptables_info[port].num}", callback
 
+          (callback) ->
+            child_process.exec 'sudo iptables-save | sudo tee /etc/iptables.rules', callback
+
           (callback) ->
             child_process.exec "sudo rm /etc/supervisor/conf.d/#{account.username}.conf", callback
 
diff --git a/sample/shadowsocks.config.coffee b/sample/shadowsocks.config.coffee
index ef48285..f6cc03d 100644
--- a/sample/shadowsocks.config.coffee
+++ b/sample/shadowsocks.config.coffee
@@ -1,8 +1,9 @@
 module.exports =
   web:
-    url: 'http://ss.rpvhost.net'
+    name: 'GreenShadow'
+    url: 'http://greenshadow.net'
     listen: '/home/rpadmin/rootpanel.sock'
-    google_analytics_id: 'UA-49193300-2'
+    google_analytics_id: 'UA-49193300-3'
 
   account:
     cookie_time: 30 * 24 * 3600 * 1000
@@ -16,6 +17,8 @@ module.exports =
     available_services: ['shadowsocks']
 
   billing:
+    taobao_item_id: '38370649858'
+
     force_unsubscribe:
       when_balance_below: 0
       when_arrears_above: 0
@@ -31,12 +34,6 @@ module.exports =
       services: ['shadowsocks']
       resources: {}
 
-  nodes:
-    ss:
-      domain: 'ss.rpvhost.net'
-      location: 'Linode Fremont, CA, USA'
-      readme: 'ShadowSocks Only'
-
   mongodb:
     user: 'rpadmin'
     password: 'password'