diff --git a/app/Services/Option.php b/app/Services/Option.php
index 060856be..f664ca3d 100644
--- a/app/Services/Option.php
+++ b/app/Services/Option.php
@@ -15,7 +15,7 @@ class Option
             if (!is_null($default_value)) {
                 return $default_value;
             } else {
-                $options = require BASE_DIR."/setup/options.php";
+                $options = require BASE_DIR."/config/options.php";
 
                 if (array_key_exists($key, $options)) {
                     self::add($key, $options[$key]);
diff --git a/app/Services/Updater.php b/app/Services/Updater.php
index 3cfe8755..9c91c146 100644
--- a/app/Services/Updater.php
+++ b/app/Services/Updater.php
@@ -52,6 +52,13 @@ class Updater
     {
         $this->current_version = $current_version;
         $this->update_sources  = require BASE_DIR."/config/update.php";
+
+        $source = \Option::get('update_source');
+
+        if (!isset($this->update_sources[$source])) {
+            Option::set('update_source', config('options.update_source'));
+        }
+
         $this->current_source  = $this->update_sources[\Option::get('update_source')];
     }
 
diff --git a/setup/options.php b/config/options.php
similarity index 93%
rename from setup/options.php
rename to config/options.php
index 4ed57e8a..cf70c226 100644
--- a/setup/options.php
+++ b/config/options.php
@@ -3,7 +3,7 @@
  * @Author: printempw
  * @Date:   2016-07-29 11:53:11
  * @Last Modified by:   printempw
- * @Last Modified time: 2016-08-19 23:11:29
+ * @Last Modified time: 2016-08-28 21:40:27
  */
 
 return [
@@ -31,7 +31,7 @@ return [
     'avatar_query_string'       => '0',
     'version'                   => '',
     'check_update'              => '1',
-    'update_source'             => 'github',
+    'update_source'             => 'nyavm',
     'copyright_text'            => '<strong>Copyright &copy; 2016 <a href="{site_url}">{site_name}</a>.</strong> All rights reserved.',
     'auto_del_invalid_texture'  => '0'
 ];
diff --git a/resources/views/admin/download.tpl b/resources/views/admin/download.tpl
index 4dc842df..1139bb4d 100644
--- a/resources/views/admin/download.tpl
+++ b/resources/views/admin/download.tpl
@@ -21,7 +21,7 @@
                 <h3 class="box-title">下载更新</h3>
             </div><!-- /.box-header -->
             <div class="box-body"> <?php
-                $updater = new Updater(App::version());
+                $updater = new Updater(config('app.version'));
 
                 if ($updater->newVersionAvailable()) {
                     $zip_path = $updater->downloadUpdate(false);
diff --git a/resources/views/admin/update.tpl b/resources/views/admin/update.tpl
index 68380518..3babe30f 100644
--- a/resources/views/admin/update.tpl
+++ b/resources/views/admin/update.tpl
@@ -21,7 +21,7 @@
         </h1>
     </section>
 
-    <?php $updater = new Updater(App::version()); ?>
+    <?php $updater = new Updater(config('app.version')); ?>
     <!-- Main content -->
     <section class="content">
         <div class="row">
diff --git a/resources/views/setup/updates/success.tpl b/resources/views/setup/updates/success.tpl
index afb15e51..8a1f6903 100644
--- a/resources/views/setup/updates/success.tpl
+++ b/resources/views/setup/updates/success.tpl
@@ -3,7 +3,7 @@
 @section('content')
 <h1>升级成功</h1>
 
-<p>数据库升级成功，欢迎使用 Blessing Skin Server {{ App::version() }}！</p>
+<p>数据库升级成功，欢迎使用 Blessing Skin Server {{ config('app.version') }}！</p>
 
 <p class="step">
     <a href="../" class="button button-large">首页</a>
diff --git a/resources/views/setup/updates/welcome.tpl b/resources/views/setup/updates/welcome.tpl
index 1bfd75f8..ad98a266 100644
--- a/resources/views/setup/updates/welcome.tpl
+++ b/resources/views/setup/updates/welcome.tpl
@@ -3,7 +3,7 @@
 @section('content')
 <h1>还差一小步</h1>
 
-<p>欢迎升级至 Blessing Skin Server {{ App::version() }}！</p>
+<p>欢迎升级至 Blessing Skin Server {{ config('app.version') }}！</p>
 <p>我们需要升级您的数据库，点击下一步以继续。</p>
 
 <p class="step">
diff --git a/setup/index.php b/setup/index.php
index 43eea247..a9d95e20 100644
--- a/setup/index.php
+++ b/setup/index.php
@@ -56,7 +56,7 @@ switch ($step) {
         App\Services\Database\Migration::creatTables($db_config['prefix']);
 
         // import options
-        $options = require "options.php";
+        $options = require BASE_DIR."/config/options.php";
         $options['site_name']    = $_POST['sitename'];
         $options['site_url']     = Http::getBaseUrl();
         $options['version']      = config('app.version');