diff --git a/lib/models_new/video/video_play_info/subtitle.dart b/lib/models_new/video/video_play_info/subtitle.dart
index 445d3c71f..f43b0f9d1 100644
--- a/lib/models_new/video/video_play_info/subtitle.dart
+++ b/lib/models_new/video/video_play_info/subtitle.dart
@@ -11,10 +11,10 @@ class Subtitle {
     this.subtitleUrlV2,
   });
 
-  factory Subtitle.fromJson(Map<String, dynamic> json) => Subtitle(
-    lan: json["lan"],
-    lanDoc: json["lan_doc"],
-    subtitleUrl: json["subtitle_url"],
-    subtitleUrlV2: json["subtitle_url_v2"],
-  );
+  Subtitle.fromJson(Map<String, dynamic> json) {
+    lan = json["lan"];
+    lanDoc = '${json["lan_doc"]}${lan!.startsWith('ai') ? '（AI）' : ''}';
+    subtitleUrl = json["subtitle_url"];
+    subtitleUrlV2 = json["subtitle_url_v2"];
+  }
 }
diff --git a/lib/models_new/video/video_play_info/subtitle_info.dart b/lib/models_new/video/video_play_info/subtitle_info.dart
index b70956089..128f33d54 100644
--- a/lib/models_new/video/video_play_info/subtitle_info.dart
+++ b/lib/models_new/video/video_play_info/subtitle_info.dart
@@ -7,11 +7,22 @@ class SubtitleInfo {
 
   SubtitleInfo({this.lan, this.lanDoc, this.subtitles});
 
-  factory SubtitleInfo.fromJson(Map<String, dynamic> json) => SubtitleInfo(
-    lan: json['lan'] as String?,
-    lanDoc: json['lan_doc'] as String?,
-    subtitles: (json['subtitles'] as List<dynamic>?)
-        ?.map((e) => Subtitle.fromJson(e as Map<String, dynamic>))
-        .toList(),
-  );
+  SubtitleInfo.fromJson(Map<String, dynamic> json) {
+    lan = json['lan'] as String?;
+    lanDoc = json['lan_doc'] as String?;
+    final List? list = json['subtitles'];
+    if (list != null && list.isNotEmpty) {
+      subtitles = <Subtitle>[];
+      int index = 0;
+      for (var e in list) {
+        final item = Subtitle.fromJson(e);
+        if (item.lan!.contains('zh')) {
+          subtitles!.insert(index, item);
+          index++;
+        } else {
+          subtitles!.add(item);
+        }
+      }
+    }
+  }
 }