diff --git a/lib/episodes/episode_detail.dart b/lib/episodes/episode_detail.dart
index a79f483..558ee5e 100644
--- a/lib/episodes/episode_detail.dart
+++ b/lib/episodes/episode_detail.dart
@@ -16,9 +16,9 @@ import '../state/audio_state.dart';
 import '../state/setting_state.dart';
 import '../type/episodebrief.dart';
 import '../type/play_histroy.dart';
+import '../util/extension_helper.dart';
 import '../widgets/audiopanel.dart';
 import '../widgets/custom_widget.dart';
-import '../util/extension_helper.dart';
 import 'episode_download.dart';
 
 class EpisodeDetail extends StatefulWidget {