diff --git a/lib/DirScanner.php b/lib/DirScanner.php
index 4fdbdb0..e0b820c 100644
--- a/lib/DirScanner.php
+++ b/lib/DirScanner.php
@@ -79,7 +79,7 @@ Class DirScanner {
 
 
     //判断目录名或文件名是否合法
-    //不允许包含斜杠/，反斜杠\，单引号'，双引号"，空格字符
+    //不允许包含斜杠/，反斜杠\，单引号'，双引号"字符
     //忽略.开头的隐藏文件
     private function isValid($name) {
         return str_replace(['/', '\\', "'", '"'], '', $name) == $name && !preg_match('/^\..+/', $name);
diff --git a/themes/beauty/controller/ListController.php b/themes/beauty/controller/ListController.php
index 9d73377..80f6a1f 100644
--- a/themes/beauty/controller/ListController.php
+++ b/themes/beauty/controller/ListController.php
@@ -104,9 +104,9 @@ Class ListController extends Controller {
             $files = array();
             $dir_exts = array();
             foreach ($scanResults as $id => $item) {
-                if (!empty($item['directory'])) {
+                if (strlen($item['directory']) > 0) {
                     array_push($dirs, $item);
-                }else if (!empty($item['filename'])) {
+                }else if (strlen($item['filename']) > 0) {
                     array_push($files, $item);
                 }else {
                     $dir_exts = array_merge($item, $dir_exts);