diff --git a/JianGongYun/TRTC/Components/TXLiteAVVideoView.cs b/JianGongYun/TRTC/Components/TXLiteAVVideoView.cs
index 2166104..3e67cee 100644
--- a/JianGongYun/TRTC/Components/TXLiteAVVideoView.cs
+++ b/JianGongYun/TRTC/Components/TXLiteAVVideoView.cs
@@ -105,6 +105,7 @@ namespace JianGongYun.TRTC.Components
             mLocalView = false;
             mFirstFrame = false;
             mRenderMode = TRTCVideoFillMode.TRTCVideoFillMode_Fit;
+            this.OnViewRemove?.Invoke();
             this.InvalidateVisual();
         }
 
@@ -231,6 +232,7 @@ namespace JianGongYun.TRTC.Components
         /// 渲染回调int width, int height, int rotation,WriteableBitmap image
         /// </summary>
         public event Action<WriteableBitmap> OnRenderVideoFrameHandler;
+        public event Action OnViewRemove;
 
         private void RenderFillMode(DrawingContext dc, byte[] data, int width, int height, int rotation)
         {
diff --git a/JianGongYun/TRTC/LiveClassroom.cs b/JianGongYun/TRTC/LiveClassroom.cs
index 1151568..2d6aa0e 100644
--- a/JianGongYun/TRTC/LiveClassroom.cs
+++ b/JianGongYun/TRTC/LiveClassroom.cs
@@ -15,6 +15,7 @@ using System.Windows;
 using System.Windows.Controls;
 using Window = System.Windows.Window;
 using System.Collections.Concurrent;
+using System.Windows.Data;
 
 namespace JianGongYun.TRTC
 {
@@ -234,10 +235,13 @@ namespace JianGongYun.TRTC
             {
                 liveWinMode.MicRunning = true;
                 lTRTCCloud.startLocalAudio(settingWindowViewModel.LiveAudioLevel);
-                if (liveWinMode.IsLive)
+                if (liveWinMode.IsLive && !liveWinMode.AudioRecordRunning)
                 {
-                    var pars = new TRTCAudioRecordingParams { filePath = "" };
-                    lTRTCCloud.startAudioRecording(ref pars);
+                    liveWinMode.AudioRecordRunning = true;
+                    var time = DateTime.Now.ToString("yyyyMMddHHmmssfff");
+                    var pars = new TRTCAudioRecordingParams { filePath = Path.Combine(RecoderDir, $"{time}audio.pcm") };
+                    var res = lTRTCCloud.startAudioRecording(ref pars);
+                    Console.WriteLine(res);
                 }
             }
         }
@@ -249,6 +253,11 @@ namespace JianGongYun.TRTC
             if (liveWinMode.MicRunning)
             {
                 liveWinMode.MicRunning = false;
+                if (liveWinMode.AudioRecordRunning)
+                {
+                    liveWinMode.AudioRecordRunning = false;
+                    lTRTCCloud.stopAudioRecording();
+                }
                 lTRTCCloud.stopLocalAudio();
             }
         }
@@ -272,8 +281,10 @@ namespace JianGongYun.TRTC
             TXLiteAVVideoView videoView = new TXLiteAVVideoView();
             videoView.RegEngine(userId, streamType, lTRTCCloud, local);
             videoView.SetRenderMode(streamType == TRTCVideoStreamType.TRTCVideoStreamTypeBig ? settingWindowViewModel.RenderParams.fillMode : TRTCVideoFillMode.TRTCVideoFillMode_Fit);
-            videoView.Width = parent.ActualWidth;
-            videoView.Height = parent.ActualHeight;
+            //videoView.Width = parent.ActualWidth;
+            videoView.SetBinding(TXLiteAVVideoView.WidthProperty, new Binding("ActualWidth") { Source = parent });
+            //videoView.Height = parent.ActualHeight;
+            videoView.SetBinding(TXLiteAVVideoView.HeightProperty, new Binding("ActualHeight") { Source = parent });
             parent.Dispatcher.Invoke(new Action(() =>
             {
                 parent.Children.Add(videoView);
diff --git a/JianGongYun/TRTC/Utils/WriteableBitmapToMat.cs b/JianGongYun/TRTC/Utils/WriteableBitmapToMat.cs
index 6e8e8a4..579e8ce 100644
--- a/JianGongYun/TRTC/Utils/WriteableBitmapToMat.cs
+++ b/JianGongYun/TRTC/Utils/WriteableBitmapToMat.cs
@@ -1,6 +1,7 @@
 using OpenCvSharp;
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.IO;
 using System.Text;
 using System.Windows.Media.Imaging;
@@ -18,7 +19,7 @@ namespace JianGongYun.TRTC.Utils
         {
             using (MemoryStream outStream = new MemoryStream())
             {
-                BitmapEncoder enc = new JpegBitmapEncoder();
+                BitmapEncoder enc = new PngBitmapEncoder();
                 enc.Frames.Add(BitmapFrame.Create(writeableBitmap));
                 enc.Save(outStream);
                 using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(outStream))
@@ -28,5 +29,20 @@ namespace JianGongYun.TRTC.Utils
                 }
             }
         }
+        /// <summary>
+        /// WriteableBitmap转Bitmap
+        /// </summary>
+        /// <param name="writeableBitmap"></param>
+        /// <returns></returns>
+        public static Bitmap ToBitmap(this WriteableBitmap writeableBitmap)
+        {
+            using (MemoryStream outStream = new MemoryStream())
+            {
+                BitmapEncoder enc = new PngBitmapEncoder();
+                enc.Frames.Add(BitmapFrame.Create(writeableBitmap));
+                enc.Save(outStream);
+                return new System.Drawing.Bitmap(outStream);
+            }
+        }
     }
 }
diff --git a/JianGongYun/TRTC/ViewModels/LiveWindowViewModel.cs b/JianGongYun/TRTC/ViewModels/LiveWindowViewModel.cs
index 0a7d551..d4b2c4d 100644
--- a/JianGongYun/TRTC/ViewModels/LiveWindowViewModel.cs
+++ b/JianGongYun/TRTC/ViewModels/LiveWindowViewModel.cs
@@ -178,6 +178,25 @@ namespace JianGongYun.TRTC.ViewModels
             }
         }
         /// <summary>
+        /// 麦克风录音中
+        /// </summary>
+        private bool _AudioRecordRunning = false;
+        public bool AudioRecordRunning
+        {
+            set
+            {
+                _AudioRecordRunning = value;
+                if (PropertyChanged != null)
+                {
+                    PropertyChanged(this, new PropertyChangedEventArgs("AudioRecordRunning"));
+                }
+            }
+            get
+            {
+                return _AudioRecordRunning;
+            }
+        }
+        /// <summary>
         /// 麦克风静音
         /// </summary>
         private bool _MicMute = false;
diff --git a/JianGongYun/TRTC/Windows/LiveWindow.xaml.cs b/JianGongYun/TRTC/Windows/LiveWindow.xaml.cs
index ae11ace..cf119c4 100644
--- a/JianGongYun/TRTC/Windows/LiveWindow.xaml.cs
+++ b/JianGongYun/TRTC/Windows/LiveWindow.xaml.cs
@@ -32,8 +32,8 @@ namespace JianGongYun.TRTC.Windows
         public LiveWindow()
         {
             InitializeComponent();
-            BeforeLiveSubViewWrap.SizeChanged += BeforeLiveSubViewWrap_SizeChanged;
-            AfterLiveSubViewWrap.SizeChanged += AfterLiveSubViewWrap_SizeChanged;
+            //BeforeLiveSubViewWrap.SizeChanged += BeforeLiveSubViewWrap_SizeChanged;
+            //AfterLiveSubViewWrap.SizeChanged += AfterLiveSubViewWrap_SizeChanged;
             AttachConsole(-1);//把进程挂在控制台，通过命令行启动程序可以看到控制台输出
             LiveWindowViewModel = new ViewModels.LiveWindowViewModel();
             SettingWindowViewModel = ViewModels.SettingWindowViewModel.GetInstance();
@@ -41,21 +41,21 @@ namespace JianGongYun.TRTC.Windows
             BorderBrush = new SolidColorBrush(color: Color.FromRgb(42, 43, 48));//窗口标题背景颜色
         }
 
-        private void AfterLiveSubViewWrap_SizeChanged(object sender, SizeChangedEventArgs e)
-        {
-            if (LiveWindowViewModel.IsLive)
-            {
-                this.Dispatcher.Invoke(new Action(() => LiveClassroom.ResizeVideoSub(AfterLiveSubViewWrap)));
-            }
-        }
+        //private void AfterLiveSubViewWrap_SizeChanged(object sender, SizeChangedEventArgs e)
+        //{
+        //    if (LiveWindowViewModel.IsLive)
+        //    {
+        //        this.Dispatcher.Invoke(new Action(() => LiveClassroom.ResizeVideoSub(AfterLiveSubViewWrap)));
+        //    }
+        //}
 
-        private void BeforeLiveSubViewWrap_SizeChanged(object sender, SizeChangedEventArgs e)
-        {
-            if (!LiveWindowViewModel.IsLive)
-            {
-                this.Dispatcher.Invoke(new Action(() => LiveClassroom.ResizeVideoSub(BeforeLiveSubViewWrap)));
-            }
-        }
+        //private void BeforeLiveSubViewWrap_SizeChanged(object sender, SizeChangedEventArgs e)
+        //{
+        //    if (!LiveWindowViewModel.IsLive)
+        //    {
+        //        this.Dispatcher.Invoke(new Action(() => LiveClassroom.ResizeVideoSub(BeforeLiveSubViewWrap)));
+        //    }
+        //}