diff --git a/lib/DirScanner.php b/lib/DirScanner.php
index 36a766d..eadfffe 100644
--- a/lib/DirScanner.php
+++ b/lib/DirScanner.php
@@ -461,7 +461,7 @@ Class DirScanner {
         if (is_dir($dir)) {
             if (!preg_match('/\/$/', $dir)) {$dir .= '/';}
             if (empty($this->rootDir)) {
-                $this->rootDir = $dir;
+                $this->rootDir = realpath($dir);
             }
             $this->scanningDirLevel = $this->getScanningLevel($this->rootDir, $dir);
             $nextLevels = $levels - $this->scanningDirLevel;
diff --git a/test/DirScannerTest.php b/test/DirScannerTest.php
index 350542a..2b314d9 100644
--- a/test/DirScannerTest.php
+++ b/test/DirScannerTest.php
@@ -68,6 +68,7 @@ $scanner = new DirScannerTest();
 //$dirTree = $scanner->scan(__DIR__);
 $scanner->setWebRoot('/content/');
 $dirTree = $scanner->scan(__DIR__ . '/content/', 4);
+//$dirTree = $scanner->scan(__DIR__ . '/../www/content/', 4);
 echo "Time cost: {$scanner->scanTimeCost} ms\n";
 echo "\n";
 
@@ -77,6 +78,7 @@ echo "\n";
 
 
 $readmeFile = $scanner->getDefaultReadme('favs/');
+//$readmeFile = $scanner->getDefaultReadme();
 if (!empty($readmeFile)) {
     $readme_id = $readmeFile['id'];
     $readme_titles = $scanner->getMDTitles($readme_id);
diff --git a/themes/README.md b/themes/README.md
index c6b45ec..1c1f77f 100644
--- a/themes/README.md
+++ b/themes/README.md
@@ -2,6 +2,7 @@
 
 此目录结构为：
 ```
+{皮肤目录名}/controller/{控制器名}/
 {皮肤目录名}/views/layout/
 {皮肤目录名}/views/{视图目录名}/
 ```
@@ -12,6 +13,7 @@
 皮肤名：**night**，默认首页SiteController使用的视图名：**site**，
 其目录结构为：
 ```
-night/views/layout/
-night/views/site/
+night/controller/SiteController.php
+night/views/layout/main.php
+night/views/site/index.php
 ```
\ No newline at end of file
diff --git a/www/content/README.md b/www/content/README.md
index c6e212e..662a35e 100644
--- a/www/content/README.md
+++ b/www/content/README.md
@@ -1,4 +1,5 @@
 # filesite.io - 无数据库、基于文件和目录的Markdown文档、网址导航、图书、图片、视频网站PHP开源系统
+![Filesite.io - Machete](./machete_icon.png)
 
 ## 简介
 
diff --git a/www/content/machete_icon.png b/www/content/machete_icon.png
new file mode 100644
index 0000000..0b7371a
Binary files /dev/null and b/www/content/machete_icon.png differ