diff --git a/lib/DirScanner.php b/lib/DirScanner.php
index 702db33..6a629ee 100644
--- a/lib/DirScanner.php
+++ b/lib/DirScanner.php
@@ -33,6 +33,7 @@ Class DirScanner {
     private $scanningDirLevel = 0;                  //当前扫描的目录深度
     private $scanStartTime = 0;                     //扫描开始时间，单位：秒
     private $scanResults = [];                      //目录扫描结果
+    private $tree = [];                             //目录扫描树形结构
 
 
     protected $supportFileExtensions = [            //支持的文件类型
@@ -432,7 +433,7 @@ Class DirScanner {
                 $realpath = realpath("{$dir}{$file}");
                 if (is_dir($realpath)) {
                     $files = [];
-                    if ($nextLevels > 0) {
+                    if ($nextLevels >= 0) {
                         $files = $this->scan($realpath, $nextLevels);
                         if (!empty($files)) {
                             foreach($files as $file) {
@@ -462,6 +463,8 @@ Class DirScanner {
             }
         }
 
+        $this->tree = $tree;
+
         $time = microtime(true);
         $this->scanTimeCost = $this->scanStartTime > 0 ? ceil( ($time - $this->scanStartTime)*1000 ) : 0;
 
@@ -473,4 +476,44 @@ Class DirScanner {
         return $this->scanResults;
     }
 
+    //获取菜单，扫描结果中的目录结构
+    public function getMenus($tree = []) {
+        $results = empty($tree) ? $this->tree : $tree;
+        $menus = [];
+        if (empty($results)) {return $menus;}
+
+        foreach ($results as $id => $item) {
+            $dir = [];
+            if (!empty($item['directory'])) {
+                $dir = [
+                            'id' => $item['id'],
+                            'directory' => $item['directory'],
+                            'path' => $item['path'],
+                        ];
+                if (!empty($item['snapshot'])) {
+                    $dir['snapshot'] = preg_replace('/\s/', '', $item['snapshot']);
+                }
+                if (!empty($item['title'])) {
+                    $dir['title'] = preg_replace('/\s/', '', $item['title']);
+                }
+                if (!empty($item['description'])) {
+                    $dir['description'] = $item['description'];
+                }
+            }
+
+            if (!empty($item['files'])) {
+                $dirs = $this->getMenus($item['files']);
+                if (!empty($dirs)) {
+                    $dir['directories'] = $dirs;
+                }
+            }
+
+            if (!empty($dir)) {
+                $menus[] = $dir;
+            }
+        }
+
+        return $menus;
+    }
+
 }
diff --git a/test/DirScannerTest.php b/test/DirScannerTest.php
index ff02788..545c049 100644
--- a/test/DirScannerTest.php
+++ b/test/DirScannerTest.php
@@ -66,13 +66,23 @@ $scanner = new DirScannerTest();
 
 //$dirTree = $scanner->scan('./');
 //$dirTree = $scanner->scan(__DIR__);
-$dirTree = $scanner->scan(__DIR__ . '/', 3);
+$dirTree = $scanner->scan(__DIR__ . '/content/', 4);
 echo "Time cost: {$scanner->scanTimeCost} ms\n";
 echo "\n";
-print_r($dirTree);
+
+$menus = $scanner->getMenus();
+print_r($menus);
 echo "\n";
 echo "\n";
 
+
+//print_r($dirTree);
+//echo "\n";
+//echo "\n";
+
 //$scanResults = $scanner->getScanResults();
 //print_r($scanResults);
 //echo "\n";
+//echo "\n";
+
+
diff --git a/test/init_test_files.sh b/test/init_test_files.sh
new file mode 100755
index 0000000..cf04303
--- /dev/null
+++ b/test/init_test_files.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+##-d- 小说
+##  |_d_ 金庸小说
+##       |_f_ 最爱金庸网站图标.ico
+##       |_f_ 最爱金庸.url
+##  |_d_ 古龙小说
+##       |_f_ 最爱古龙网站图标.ico
+##       |_f_ 最爱古龙.url
+##-d- 图片
+##  |_d_ 图片搜索
+##       |_f_ 谷歌图片搜索图标.ico
+##       |_f_ 谷歌图片搜索.url
+##       |_f_ description.txt
+##  |_d_ 必应图片搜索
+##       |_f_ bing图标.ico
+##       |_f_ bing.url
+##       |_f_ title.txt
+
+rm -rf content/
+
+
+#---for favs---
+mkdir -p content/favs/
+cd content/favs/
+
+rm -rf "小说/"
+rm -rf "图片/"
+
+mkdir -p "小说/金庸小说/"
+mkdir -p "小说/古龙小说/"
+mkdir -p "图片/图片搜索/"
+mkdir -p "图片/必应图片搜索/"
+
+touch "小说/金庸小说/最爱金庸网站图标.ico"
+touch "小说/金庸小说/最爱金庸.url"
+tee -a "小说/金庸小说/最爱金庸.url" <<EOF
+[InternetShortcut]
+URL=https://www.google.com
+EOF
+echo '/favs/小说/金庸小说/最爱金庸网站图标.ico' > "小说/金庸小说/snapshot.txt"
+
+touch "小说/古龙小说/最爱古龙网站图标.ico"
+touch "小说/古龙小说/最爱古龙.url"
+tee -a "小说/金庸小说/最爱古龙.url" <<EOF
+[InternetShortcut]
+URL=https://www.google.com
+EOF
+
+touch "图片/图片搜索/谷歌图片搜索图标.ico"
+touch "图片/图片搜索/谷歌图片搜索.url"
+tee -a "图片/图片搜索/谷歌图片搜索.url" <<EOF
+[InternetShortcut]
+URL=https://www.google.com
+EOF
+touch "图片/图片搜索/description.txt"
+tee -a "图片/图片搜索/description.txt" <<EOF
+什么图片都能搜，
+输入关键词，然后点“搜索”
+EOF
+echo '/favs/图片/图片搜索/谷歌图片搜索图标.ico' > "图片/图片搜索/snapshot.txt"
+
+touch "图片/必应图片搜索/bing图标.ico"
+touch "图片/必应图片搜索/bing.url"
+tee -a "图片/必应图片搜索/bing.url" <<EOF
+[InternetShortcut]
+URL=https://www.bing.com
+EOF
+touch "图片/必应图片搜索/title.txt"
+tee -a "图片/必应图片搜索/title.txt" <<EOF
+Bing必应图片搜索
+EOF