diff --git a/lib/pages/home_page.dart b/lib/pages/home_page.dart
index 678676e..8169aac 100644
--- a/lib/pages/home_page.dart
+++ b/lib/pages/home_page.dart
@@ -35,11 +35,10 @@ class SongItem {
       : fileName.replaceAll(RegExp(r'\.[^.]*$'), '');
 
   String get displaySubtitle {
-    if (metadataState == 'success' && artist != null) {
+    if (metadataState == 'success' && artist != null && artist!.isNotEmpty) {
       return artist!;
-    } else {
-      return sourceTag;
     }
+    return sourceTag.isNotEmpty ? sourceTag : '未知艺术家';
   }
 }
 
@@ -272,12 +271,23 @@ class _HomePageState extends BaseState<HomePage> {
         displayName = rawName;
       }
 
+      // 取上级目录名，作为没有标签时的副标题（加括号区分"这是文件夹"）
+      final segments = path.split('/').where((s) => s.isNotEmpty).toList();
+      String folderName = '';
+      if (segments.length >= 2) {
+        try {
+          folderName = Uri.decodeComponent(segments[segments.length - 2]);
+        } catch (_) {
+          folderName = segments[segments.length - 2];
+        }
+      }
+
       items.add(SongItem(
         path: path,
         fileName: displayName,
         title: hasTitle ? title : null,
         artist: artist.isNotEmpty ? artist : null,
-        sourceTag: '收藏',
+        sourceTag: folderName.isNotEmpty ? '($folderName)' : '',
         metadataState: hasTitle ? 'success' : 'unknown',
       ));
     }