diff --git a/lib/models/live/quality.dart b/lib/models/live/quality.dart
new file mode 100644
index 00000000..47938416
--- /dev/null
+++ b/lib/models/live/quality.dart
@@ -0,0 +1,43 @@
+enum LiveQuality {
+  dolby,
+  super4K,
+  origin,
+  veryHigh,
+  bluRay,
+  superHD,
+  smooth,
+  flunt,
+}
+
+extension LiveQualityCode on LiveQuality {
+  static final List<int> _codeList = [
+    30000,
+    20000,
+    10000,
+    400,
+    250,
+    150,
+    80,
+  ];
+  int get code => _codeList[index];
+
+  static LiveQuality? fromCode(int code) {
+    final index = _codeList.indexOf(code);
+    if (index != -1) {
+      return LiveQuality.values[index];
+    }
+    return null;
+  }
+}
+
+extension VideoQualityDesc on LiveQuality {
+  static final List<String> _descList = [
+    '杜比',
+    '4K',
+    '原画',
+    '蓝光',
+    '超清',
+    '流畅',
+  ];
+  get description => _descList[index];
+}
diff --git a/lib/pages/live_room/controller.dart b/lib/pages/live_room/controller.dart
index 2bb1cd0a..a1878c74 100644
--- a/lib/pages/live_room/controller.dart
+++ b/lib/pages/live_room/controller.dart
@@ -1,6 +1,7 @@
 import 'package:get/get.dart';
 import 'package:pilipala/http/constants.dart';
 import 'package:pilipala/http/live.dart';
+import 'package:pilipala/models/live/quality.dart';
 import 'package:pilipala/models/live/room_info.dart';
 import 'package:pilipala/plugin/pl_player/index.dart';
 import '../../models/live/room_info_h5.dart';
@@ -19,10 +20,14 @@ class LiveRoomController extends GetxController {
       PlPlayerController.getInstance(videoType: 'live');
   Rx<RoomInfoH5Model> roomInfoH5 = RoomInfoH5Model().obs;
   late bool enableCDN;
+  late int currentQn;
+  late List<Map<String, dynamic>> acceptQnList;
+  RxString currentQnDesc = ''.obs;
 
   @override
   void onInit() {
     super.onInit();
+    currentQn = 10000;
     roomId = int.parse(Get.parameters['roomid']!);
     if (Get.arguments != null) {
       liveItem = Get.arguments['liveItem'];
@@ -57,11 +62,26 @@ class LiveRoomController extends GetxController {
   }
 
   Future queryLiveInfo() async {
-    var res = await LiveHttp.liveRoomInfo(roomId: roomId, qn: 10000);
+    /// TODO 默认获取预设质量的直播资源
+    var res = await LiveHttp.liveRoomInfo(roomId: roomId, qn: currentQn);
     if (res['status']) {
       List<CodecItem> codec =
           res['data'].playurlInfo.playurl.stream.first.format.first.codec;
       CodecItem item = codec.first;
+      // 以服务端返回的码率为准
+      currentQn = item.currentQn!;
+      List acceptQn = item.acceptQn!;
+      acceptQnList = acceptQn.map((e) {
+        return {
+          'code': e,
+          'desc': LiveQuality.values
+              .firstWhere((element) => element.code == e)
+              .description,
+        };
+      }).toList();
+      currentQnDesc.value = LiveQuality.values
+          .firstWhere((element) => element.code == currentQn)
+          .description;
       String videoUrl = enableCDN
           ? VideoUtils.getCdnUrl(item)
           : (item.urlInfo?.first.host)! +
@@ -90,4 +110,16 @@ class LiveRoomController extends GetxController {
     }
     return res;
   }
+
+  // 修改画质
+  void changeQn(int qn) async {
+    if (currentQn == qn) {
+      return;
+    }
+    currentQn = qn;
+    currentQnDesc.value = LiveQuality.values
+        .firstWhere((element) => element.code == currentQn)
+        .description;
+    await queryLiveInfo();
+  }
 }
diff --git a/lib/pages/live_room/widgets/bottom_control.dart b/lib/pages/live_room/widgets/bottom_control.dart
index a00f3d92..0dcedc2c 100644
--- a/lib/pages/live_room/widgets/bottom_control.dart
+++ b/lib/pages/live_room/widgets/bottom_control.dart
@@ -3,6 +3,7 @@ import 'dart:io';
 import 'package:floating/floating.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:get/get.dart';
 import 'package:hive/hive.dart';
 import 'package:pilipala/models/video/play/url.dart';
 import 'package:pilipala/pages/live_room/index.dart';
@@ -113,6 +114,30 @@ class _BottomControlState extends State<BottomControl> {
             ),
             const SizedBox(width: 4),
           ],
+          SizedBox(
+            width: 30,
+            child: PopupMenuButton<int>(
+              padding: EdgeInsets.zero,
+              onSelected: (value) {
+                widget.liveRoomCtr!.changeQn(value);
+              },
+              child: Obx(
+                () => Text(
+                  widget.liveRoomCtr!.currentQnDesc.value,
+                  style: const TextStyle(color: Colors.white, fontSize: 13),
+                ),
+              ),
+              itemBuilder: (BuildContext context) {
+                return widget.liveRoomCtr!.acceptQnList.map((e) {
+                  return PopupMenuItem<int>(
+                    value: e['code'],
+                    child: Text(e['desc']),
+                  );
+                }).toList();
+              },
+            ),
+          ),
+          const SizedBox(width: 10),
           ComBtn(
             icon: const Icon(
               Icons.fullscreen,