fix: decompress

lib/http/init.dart

@@ -102,7 +102,7 @@ class Request {
       headers: {
         'user-agent': 'Dart/3.6 (dart:io)', // Http2Adapter不会自动添加标头
       },
-      responseDecoder: responseDecoder, // Http2Adapter没有自动解压
+      responseDecoder: _responseDecoder, // Http2Adapter没有自动解压
       persistentConnection: true,
     );
 
@@ -269,24 +269,21 @@ class Request {
     }
   }
 
-  static String responseDecoder(
+  static List<int> responseBytesDecoder(
+    List<int> responseBytes,
+    Map<String, List<String>> headers,
+  ) => switch (headers['content-encoding']?.firstOrNull) {
+    'gzip' => _gzipDecoder.decodeBytes(responseBytes),
+    'br' => _brotilDecoder.convert(responseBytes),
+    _ => responseBytes,
+  };
+
+  static String _responseDecoder(
     List<int> responseBytes,
     RequestOptions options,
     ResponseBody responseBody,
-  ) {
-    switch (responseBody.headers['content-encoding']?.firstOrNull) {
-      case 'gzip':
-        return utf8.decode(
-          _gzipDecoder.decodeBytes(responseBytes),
-          allowMalformed: true,
-        );
-      case 'br':
-        return utf8.decode(
-          _brotilDecoder.convert(responseBytes),
-          allowMalformed: true,
-        );
-      default:
-        return utf8.decode(responseBytes, allowMalformed: true);
-    }
-  }
+  ) => utf8.decode(
+    responseBytesDecoder(responseBytes, responseBody.headers),
+    allowMalformed: true,
+  );
 }

lib/pages/video/widgets/header_control.dart

@@ -1,8 +1,8 @@
 import 'dart:async';
 import 'dart:io';
 import 'dart:math';
-import 'dart:typed_data';
 
+import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/button/icon_button.dart';
 import 'package:PiliPlus/common/widgets/custom_icon.dart';
 import 'package:PiliPlus/common/widgets/custom_sliver_persistent_header_delegate.dart';
@@ -43,6 +43,7 @@ import 'package:canvas_danmaku/canvas_danmaku.dart';
 import 'package:dio/dio.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:floating/floating.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@@ -993,11 +994,17 @@ class HeaderControlState extends State<HeaderControl> {
                             item.subtitleUrl!.http2https,
                             options: Options(
                               responseType: ResponseType.bytes,
+                              headers: Constants.baseHeaders,
                               extra: {'account': const NoAccount()},
                             ),
                           );
                           if (res.statusCode == 200) {
-                            final bytes = res.data!;
+                            final bytes = Uint8List.fromList(
+                              Request.responseBytesDecoder(
+                                res.data!,
+                                res.headers.map,
+                              ),
+                            );
                             final name =
                                 '${introController.videoDetail.value.title}-${videoDetailCtr.bvid}-${videoDetailCtr.cid.value}-${item.lanDoc}.json';
                             final path = await FilePicker.platform.saveFile(
@@ -1016,6 +1023,7 @@ class HeaderControlState extends State<HeaderControl> {
                             SmartDialog.showToast("已保存");
                           }
                         } catch (e) {
+                          if (kDebugMode) rethrow;
                           SmartDialog.showToast(e.toString());
                         }
                       },