diff --git a/src/DownKyi/Services/Utils.cs b/src/DownKyi/Services/Utils.cs
index 13f1206..6161ba6 100644
--- a/src/DownKyi/Services/Utils.cs
+++ b/src/DownKyi/Services/Utils.cs
@@ -95,7 +95,7 @@ namespace DownKyi.Services
         /// <param name="playUrl"></param>
         /// <param name="defaultAudioQuality"></param>
         /// <returns></returns>
-        private static ObservableCollection<string> GetAudioQualityFormatList(PlayUrl playUrl, int defaultAudioQuality)
+        private static ObservableCollection<string> GetAudioQualityFormatList_old(PlayUrl playUrl, int defaultAudioQuality)
         {
             List<string> audioQualityFormatList = new List<string>();
 
@@ -122,6 +122,43 @@ namespace DownKyi.Services
             return new ObservableCollection<string>(audioQualityFormatList);
         }
 
+
+        /// <summary>
+        /// 设置音质
+        /// </summary>
+        /// <param name="playUrl"></param>
+        /// <param name="defaultAudioQuality"></param>
+        /// <returns></returns>
+        private static ObservableCollection<string> GetAudioQualityFormatList(PlayUrl playUrl, int defaultAudioQuality)
+        {
+            List<string> audioQualityFormatList = new List<string>();
+
+            if (playUrl.Dash.Audio != null && playUrl.Dash.Audio.Count > 0)
+            {
+                foreach (PlayUrlDashVideo audio in playUrl.Dash.Audio)
+                {
+                    // 音质id大于设置画质时，跳过
+                    if (audio.Id > defaultAudioQuality) { continue; }
+
+                    Quality audioQuality = Constant.GetAudioQualities().FirstOrDefault(t => { return t.Id == audio.Id; });
+                    if (audioQuality != null)
+                    {
+                        ListHelper.AddUnique(audioQualityFormatList, audioQuality.Name);
+                    }
+                }
+            }
+
+            if (playUrl.Dash.Dolby.Audio != null && playUrl.Dash.Dolby.Audio.Count > 0)
+            {
+                ListHelper.AddUnique(audioQualityFormatList, Constant.GetAudioQualities().Last().Name);
+            }
+
+            audioQualityFormatList.Sort(new StringLogicalComparer<string>());
+            audioQualityFormatList.Reverse();
+
+            return new ObservableCollection<string>(audioQualityFormatList);
+        }
+
         /// <summary>
         /// 设置画质 & 视频编码
         /// </summary>
@@ -191,7 +228,7 @@ namespace DownKyi.Services
 
                 // 设置选中的视频编码
                 VideoQuality selectedVideoQuality = videoQualityList.FirstOrDefault(t => t.Quality == video.Id);
-                if(selectedVideoQuality == null) { continue; }
+                if (selectedVideoQuality == null) { continue; }
 
                 if (videoQualityList[videoQualityList.IndexOf(selectedVideoQuality)].VideoCodecList.Count == 1)
                 {
diff --git a/src/DownKyi/ViewModels/PageViewModels/VideoPage.cs b/src/DownKyi/ViewModels/PageViewModels/VideoPage.cs
index f04787b..2eb1b07 100644
--- a/src/DownKyi/ViewModels/PageViewModels/VideoPage.cs
+++ b/src/DownKyi/ViewModels/PageViewModels/VideoPage.cs
@@ -91,32 +91,32 @@ namespace DownKyi.ViewModels.PageViewModels
         /// </summary>
         private void ExecuteVideoQualitySelectedCommand()
         {
-            // 杜比视界
-            string dolby = string.Empty;
-            try
-            {
-                var qualities = Constant.GetAudioQualities();
-                dolby = qualities[3].Name;
-            }
-            catch (Exception e)
-            {
-                Core.Utils.Debugging.Console.PrintLine("ExecuteVideoQualitySelectedCommand()发生异常: {0}", e);
-                LogManager.Error("ExecuteVideoQualitySelectedCommand", e);
-            }
+            //// 杜比视界
+            //string dolby = string.Empty;
+            //try
+            //{
+            //    var qualities = Constant.GetAudioQualities();
+            //    dolby = qualities[3].Name;
+            //}
+            //catch (Exception e)
+            //{
+            //    Core.Utils.Debugging.Console.PrintLine("ExecuteVideoQualitySelectedCommand()发生异常: {0}", e);
+            //    LogManager.Error("ExecuteVideoQualitySelectedCommand", e);
+            //}
 
-            if (VideoQuality != null && VideoQuality.Quality == 126 && PlayUrl != null && PlayUrl.Dash != null && PlayUrl.Dash.Dolby != null)
-            {
-                ListHelper.AddUnique(AudioQualityFormatList, dolby);
-                AudioQualityFormat = dolby;
-            }
-            else
-            {
-                if (AudioQualityFormatList.Contains(dolby))
-                {
-                    AudioQualityFormatList.Remove(dolby);
-                    AudioQualityFormat = AudioQualityFormatList[0];
-                }
-            }
+            //if (VideoQuality != null && VideoQuality.Quality == 126 && PlayUrl != null && PlayUrl.Dash != null && PlayUrl.Dash.Dolby != null)
+            //{
+            //    ListHelper.AddUnique(AudioQualityFormatList, dolby);
+            //    AudioQualityFormat = dolby;
+            //}
+            //else
+            //{
+            //    if (AudioQualityFormatList.Contains(dolby))
+            //    {
+            //        AudioQualityFormatList.Remove(dolby);
+            //        AudioQualityFormat = AudioQualityFormatList[0];
+            //    }
+            //}
         }
 
         #endregion