diff --git a/app/Http/Controllers/AdminController.php b/app/Http/Controllers/AdminController.php
index 3ff06d1f..c9c3d683 100644
--- a/app/Http/Controllers/AdminController.php
+++ b/app/Http/Controllers/AdminController.php
@@ -136,6 +136,8 @@ class AdminController extends Controller
 
             $form->textarea('comment_script')->rows(6)->description(OptionForm::AUTO_DETECT);
 
+            $form->checkbox('allow_sending_statistic')->label(OptionForm::AUTO_DETECT)->hint(OptionForm::AUTO_DETECT);
+
         })->handle(function() {
             if (substr($_POST['site_url'], -1) == "/")
                 $_POST['site_url'] = substr($_POST['site_url'], 0, -1);
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 284f8bbe..d7d2380f 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -36,7 +36,8 @@ class AppServiceProvider extends ServiceProvider
         Event::listen(Events\RenderingHeader::class, function($event) {
             // provide some application information for javascript
             $blessing = array_merge(Arr::except(config('app'), ['key', 'providers', 'aliases', 'cipher', 'log', 'url']), [
-                'baseUrl' => url('/'),
+                'base_url' => url('/'),
+                'site_name' => option('site_name')
             ]);
 
             $event->addContent('<script>var blessing = '.json_encode($blessing).';</script>');
diff --git a/config/options.php b/config/options.php
index f1c34b0d..28545da4 100644
--- a/config/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: 2016-12-31 23:34:17
+ * @Last Modified time: 2017-01-14 22:05:22
  */
 
 return [
@@ -20,6 +20,7 @@ return [
     'custom_js'                 => '',
     'allow_chinese_playername'  => 'true',
     'comment_script'            => '',
+    'allow_sending_statistic'   => 'true',
     'user_initial_score'        => '1000',
     'sign_gap_time'             => '24',
     'sign_score'                => '10,100',
diff --git a/resources/assets/src/js/general.js b/resources/assets/src/js/general.js
index 549f9bbc..674fbb5c 100644
--- a/resources/assets/src/js/general.js
+++ b/resources/assets/src/js/general.js
@@ -2,7 +2,7 @@
 * @Author: printempw
 * @Date:   2016-09-15 10:39:41
 * @Last Modified by:   printempw
-* @Last Modified time: 2016-12-17 18:47:02
+* @Last Modified time: 2017-01-14 22:36:55
 */
 
 'use strict';
@@ -22,7 +22,7 @@ function logout(with_out_confirm, callback) {
                     html: json.msg
                 });
                 window.setTimeout(function() {
-                    window.location = blessing.baseUrl;
+                    window.location = blessing.base_url;
                 }, 1000);
             });
         });
@@ -36,7 +36,7 @@ function logout(with_out_confirm, callback) {
 function do_logout(callback) {
     $.ajax({
         type: "POST",
-        url: blessing.baseUrl + "/auth/logout",
+        url: blessing.base_url + "/auth/logout",
         dataType: "json",
         success: function(json) {
             if (callback) callback(json);
diff --git a/resources/lang/en/options.yml b/resources/lang/en/options.yml
index 54f1f1fb..d553956e 100644
--- a/resources/lang/en/options.yml
+++ b/resources/lang/en/options.yml
@@ -83,6 +83,10 @@ auto_del_invalid_texture:
 comment_script:
   title: Comment Script
   description: Placeholders are available in comment scripts. <code>{tid}</code> will be replaced with texture id, <code>{name}</code> will be replaced with texture name, <code>{url}</code> will be replaced with current URL.
+allow_sending_statistic:
+  title: Statistics
+  label: Send usage statistics anonymously.
+  hint: Information about privacy will nerver be sent.
 
 announ:
   title: Site Announcement
diff --git a/resources/lang/zh_CN/options.yml b/resources/lang/zh_CN/options.yml
index c9e23fbc..98567972 100644
--- a/resources/lang/zh_CN/options.yml
+++ b/resources/lang/zh_CN/options.yml
@@ -83,6 +83,10 @@ auto_del_invalid_texture:
 comment_script:
   title: 评论代码
   description: 评论代码内可使用占位符，<code>{tid}</code> 将会被自动替换为材质的 id，<code>{name}</code> 会被替换为材质名称，<code>{url}</code> 会被替换为当前页面地址。
+allow_sending_statistic:
+  title: 统计信息
+  label: 发送程序使用情况统计信息以帮助开发
+  hint: 隐私信息不会被收集
 
 announ:
   title: 站点公告
diff --git a/resources/views/admin/master.tpl b/resources/views/admin/master.tpl
index affe16c3..736a955d 100644
--- a/resources/views/admin/master.tpl
+++ b/resources/views/admin/master.tpl
@@ -128,6 +128,22 @@
     </script>
     @endif
 
+    @if (option('allow_sending_statistic'))
+    <script>
+        blessing.site_url = blessing.base_url;
+
+        $.ajax({
+            url: 'https://work.prinzeugen.net/statistics/feedback',
+            type: 'POST',
+            dataType: 'json',
+            data: blessing
+        }).done(function() {
+            console.log('Feedback sent. Thank you!');
+        });
+
+    </script>
+    @endif
+
     @yield('script')
 </body>
 </html>