diff --git a/sdk/video-link-android/build.gradle b/sdk/video-link-android/build.gradle
index a8f3dc6ee..ece0e4d4a 100644
--- a/sdk/video-link-android/build.gradle
+++ b/sdk/video-link-android/build.gradle
@@ -53,10 +53,7 @@ dependencies {
 //        changing = true
 //    }
 //    api 'com.tencent.iot.thirdparty.android:xp2p-sdk:2.4.23'
-    api 'com.tencent.iot.thirdparty.android:xp2p-sdk:2.4.41-SNAPSHOT'
-    api 'com.tencent.iot.thirdparty.android:ijkplayer-java:2.0.11'
-    api 'com.tencent.iot.thirdparty.android:ijkplayer-armv7a:2.0.11'
-    api 'com.tencent.iot.thirdparty.android:ijkplayer-arm64:2.0.11'
+    api 'com.tencent.iot.thirdparty.android:xp2p-sdk:2.4.43-SNAPSHOT'
     api 'com.tencent.iot.thirdparty.android:media-server:1.0.5'
     api 'io.github.sundoggynew:iot-soundtouch:1.0.0'
     api 'io.github.sundoggynew:iot-voice-changer:1.0.0'
diff --git a/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtil.java b/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtil.java
index ae438eddf..91f8bd30a 100644
--- a/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtil.java
+++ b/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtil.java
@@ -7,6 +7,8 @@
 import android.media.audiofx.AcousticEchoCanceler;
 import android.media.audiofx.AutomaticGainControl;
 import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Looper;
 import android.os.Message;
 import android.text.TextUtils;
 import android.util.Log;
@@ -17,6 +19,7 @@
 import com.tencent.iot.thirdparty.flv.FLVPacker;
 import com.tencent.xnet.XP2P;
 
+import org.jetbrains.annotations.NotNull;
 import org.json.JSONException;
 import org.json.JSONObject;
 
@@ -26,25 +29,29 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.LinkedBlockingDeque;
-import java.util.concurrent.atomic.AtomicInteger;
 
 import com.iot.gvoice.interfaces.GvoiceJNIBridge;
 
-import tv.danmaku.ijk.media.player.IjkMediaPlayer;
 
-
-public class AudioRecordUtil implements EncoderListener, FLVListener {
+public class AudioRecordUtil implements EncoderListener, FLVListener, Handler.Callback {
     private static final int DEFAULT_CHANNEL_CONFIG = AudioFormat.CHANNEL_IN_STEREO; //设置音频的录制的声道CHANNEL_IN_STEREO为双声道，CHANNEL_CONFIGURATION_MONO为单声道
     private static final int DEFAULT_AUDIO_FORMAT = AudioFormat.ENCODING_PCM_16BIT; //音频数据格式:PCM 16位每个样本。保证设备支持。PCM 8位每个样本。不一定能得到设备支持。
-    private static final String TAG = AudioRecordUtil.class.getName();;
+    private static final String TAG = AudioRecordUtil.class.getName();
+    private static final int MSG_START = 1;
+    private static final int MSG_STOP = 2;
+    private static final int MSG_ENCODE = 3;
+    private static final int MSG_RELEASE = 4;
+    private final HandlerThread readThread;
+    private final ReadHandler mReadHandler;
     private volatile boolean recorderState = true; //录制状态
     private byte[] buffer;
     private AudioRecord audioRecord;
-    private AcousticEchoCanceler canceler;
-    private AutomaticGainControl control;
+    private volatile AcousticEchoCanceler canceler;
+    private volatile AutomaticGainControl control;
     private volatile PCMEncoder pcmEncoder;
     private volatile FLVPacker flvPacker;
     private Context context;
@@ -73,8 +80,27 @@ public class AudioRecordUtil implements EncoderListener, FLVListener {
 
     private static final int SAVE_PCM_DATA = 1;
 
-    private IjkMediaPlayer player;
     private LinkedBlockingDeque<Byte> playPcmData = new LinkedBlockingDeque<>();  // 内存队列，用于缓存获取到的播放器音频pcm
+    private AudioRecordUtilListener audioRecordUtilListener = null;
+
+    @Override
+    public boolean handleMessage(@NotNull Message msg) {
+        switch (msg.what) {
+            case MSG_START:
+                startInternal();
+                break;
+            case MSG_STOP:
+                stopInternal();
+                break;
+            case MSG_ENCODE:
+//                renderInternal((TRTCCloudDef.TRTCVideoFrame) msg.obj);
+                break;
+            case MSG_RELEASE:
+                releaseInternal();
+                break;
+        }
+        return false;
+    }
 
     private class MyHandler extends Handler {
 
@@ -114,17 +140,26 @@ public AudioRecordUtil(Context ctx, String id, int sampleRate) {
         context = ctx;
         deviceId = id;
         init(sampleRate, DEFAULT_CHANNEL_CONFIG, DEFAULT_AUDIO_FORMAT);
+        readThread = new HandlerThread(TAG);
+        readThread.start();
+        mReadHandler = new ReadHandler(readThread.getLooper(), this);
     }
     public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int bitDepth) {
         context = ctx;
         deviceId = id;
         init(sampleRate, channel, bitDepth);
+        readThread = new HandlerThread(TAG);
+        readThread.start();
+        mReadHandler = new ReadHandler(readThread.getLooper(), this);
     }
     public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int bitDepth, int pitch) {
         context = ctx;
         deviceId = id;
         this.pitch = pitch;
         init(sampleRate, channel, bitDepth);
+        readThread = new HandlerThread(TAG);
+        readThread.start();
+        mReadHandler = new ReadHandler(readThread.getLooper(), this);
     }
     public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int bitDepth, boolean enableAEC, boolean enableAGC) {
         context = ctx;
@@ -132,6 +167,9 @@ public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int
         this.enableAEC = enableAEC;
         this.enableAGC = enableAGC;
         init(sampleRate, channel, bitDepth);
+        readThread = new HandlerThread(TAG);
+        readThread.start();
+        mReadHandler = new ReadHandler(readThread.getLooper(), this);
     }
     public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int bitDepth, int pitch, boolean enableAEC, boolean enableAGC) {
         context = ctx;
@@ -140,6 +178,21 @@ public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int
         this.enableAEC = enableAEC;
         this.enableAGC = enableAGC;
         init(sampleRate, channel, bitDepth);
+        readThread = new HandlerThread(TAG);
+        readThread.start();
+        mReadHandler = new ReadHandler(readThread.getLooper(), this);
+    }
+    public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int bitDepth, int pitch, AudioRecordUtilListener audioRecordUtilListener) {
+        context = ctx;
+        deviceId = id;
+        this.pitch = pitch;
+        this.enableAEC = false;
+        this.enableAGC = false;
+        this.audioRecordUtilListener = audioRecordUtilListener;
+        init(sampleRate, channel, bitDepth);
+        readThread = new HandlerThread(TAG);
+        readThread.start();
+        mReadHandler = new ReadHandler(readThread.getLooper(), this);
     }
 
     private void init(int sampleRate, int channel, int bitDepth) {
@@ -229,14 +282,15 @@ public void setMode(VoiceChangerMode mode) {
         }
     }
 
-    public void setPlayer(IjkMediaPlayer player) {
-        this.player = player;
-    }
-
     /**
      * 开始录制
      */
     public void start() {
+        Log.i(TAG, "start");
+        mReadHandler.obtainMessage(MSG_START).sendToTarget();
+    }
+
+    private void startInternal() {
         if (isRecord) {
             fos1 = createFiles("near");
             fos2 = createFiles("far");
@@ -256,9 +310,12 @@ public void start() {
             VoiceChangerJNIBridge.setMode(this.mode.getValue());
         }
         recorderState = true;
+        Log.e(TAG, "turn recorderState : " + recorderState);
         audioRecord.startRecording();
         new RecordThread().start();
-        new WriteThread().start();
+        if (audioRecordUtilListener != null) {
+            new WriteThread().start();
+        }
     }
 
     private void reset() {
@@ -283,43 +340,57 @@ private void reset() {
      * 停止录制
      */
     public void stop() {
-        recorderState = false;
-        if (audioRecord != null) {
-            audioRecord.stop();
-        }
-
-        executor.shutdown();
-        audioRecord = null;
-        pcmEncoder = null;
-        if (flvPacker != null) {
-            flvPacker.release();
-            flvPacker = null;
-        }
-        if (canceler != null) {
-            canceler.setEnabled(false);
-            canceler.release();
-            canceler = null;
-        }
-        if (control != null) {
-            control.setEnabled(false);
-            control.release();
-            control = null;
-        }
+        Log.i(TAG, "stop");
+        mReadHandler.obtainMessage(MSG_STOP).sendToTarget();
+    }
 
-        if (!VoiceChangerJNIBridge.isAvailable()) {
-            if (st != null) {
-                st.finish();
-                st.clearBuffer(0);
-                st = null;
+    private void stopInternal() {
+        recorderState = false;
+        Log.e(TAG, "turn recorderState : " + recorderState);
+        mReadHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                Log.e(TAG, "mReadHandler.postDelayed 200 turn recorderState : " + recorderState);
+                if (audioRecord != null) {
+                    audioRecord.stop();
+                }
+                executor.shutdown();
+                audioRecord = null;
+                pcmEncoder = null;
+                if (flvPacker != null) {
+                    flvPacker.release();
+                    flvPacker = null;
+                }
+                if (canceler != null) {
+                    canceler.setEnabled(false);
+                    canceler.release();
+                    canceler = null;
+                }
+                if (control != null) {
+                    control.setEnabled(false);
+                    control.release();
+                    control = null;
+                }
+                if (!VoiceChangerJNIBridge.isAvailable()) {
+                    if (st != null) {
+                        st.finish();
+                        st.clearBuffer(0);
+                        st = null;
+                    }
+                } else {
+                    VoiceChangerJNIBridge.destory();
+                }
+//                GvoiceJNIBridge.destory();
             }
-        } else {
-            VoiceChangerJNIBridge.destory();
-        }
-
-        GvoiceJNIBridge.destory();
+        }, 200);
     }
 
     public void release() {
+        Log.i(TAG, "release");
+        mReadHandler.obtainMessage(MSG_STOP).sendToTarget();
+    }
+
+    private void releaseInternal() {
         audioRecord.release();
     }
 
@@ -336,7 +407,7 @@ public void encodeG711(byte[] data) { }
     @Override
     public void onFLV(byte[] data) {
         if (recorderState) {
-            Log.d(TAG, "===== XP2P.dataSend dataLen:" + data.length);
+//            Log.d(TAG, "===== XP2P.dataSend dataLen:" + data.length);
             XP2P.dataSend(deviceId, data, data.length);
 
             if (executor.isShutdown()) return;
@@ -373,7 +444,7 @@ private class RecordThread extends Thread {
         public void run() {
             while (recorderState) {
                 int read = audioRecord.read(buffer, 0, buffer.length);
-                Log.e(TAG, "audioRecord.read: "+read + "， buffer.length： " + buffer.length);
+                Log.e(TAG, "audioRecord.read: "+read + "， buffer.length： " + buffer.length + ", recorderState: " + recorderState);
                 if (!VoiceChangerJNIBridge.isAvailable()) {
                     if (pitch != 0 && st != null) {
                         st.putBytes(buffer);
@@ -387,7 +458,7 @@ public void run() {
                 if (AudioRecord.ERROR_INVALID_OPERATION != read) {
                     //获取到的pcm数据就是buffer了
                     if (buffer != null && pcmEncoder != null) {
-                        if (player != null && player.isPlaying()) {
+                        if (audioRecordUtilListener != null) {
                             byte [] playerPcmBytes = onReadPlayerPlayPcm(buffer.length);
                             byte[] aecPcmBytes = GvoiceJNIBridge.cancellation(buffer, playerPcmBytes);
                             if (isRecord) {
@@ -460,14 +531,12 @@ private class WriteThread extends Thread {
         @Override
         public void run() {
             while (recorderState) {
-                if (player != null && player.isPlaying()) {
-                    byte[] data = new byte[204800];
-                    int len = player._getPcmData(data);
-                    if (len > 0) {
-                        byte[] playerBytes = new byte[len];
-                        System.arraycopy(data, 0, playerBytes, 0, len);
+                if (audioRecordUtilListener != null) {
+                    byte[] data = audioRecordUtilListener.onReadPlayerPcmByte();
+                    if (data != null && data.length > 0) {
+                        Log.e(TAG, "data.length： " + data.length + " , recorderState : " + recorderState);
                         List<Byte> tmpList = new ArrayList<>();
-                        for (byte b : playerBytes) {
+                        for (byte b : data) {
                             tmpList.add(b);
                         }
                         playPcmData.addAll(tmpList);
@@ -476,4 +545,25 @@ public void run() {
             }
         }
     }
+
+    public static class ReadHandler extends Handler {
+
+        public ReadHandler(Looper looper, Callback callback) {
+            super(looper, callback);
+        }
+
+        public void runAndWaitDone(final Runnable runnable) {
+            final CountDownLatch countDownLatch = new CountDownLatch(1);
+            post(() -> {
+                runnable.run();
+                countDownLatch.countDown();
+            });
+
+            try {
+                countDownLatch.await();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+    }
 }
diff --git a/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtilListener.java b/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtilListener.java
new file mode 100644
index 000000000..6b316c120
--- /dev/null
+++ b/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtilListener.java
@@ -0,0 +1,5 @@
+package com.tencent.iot.video.link.util.audio;
+
+public interface AudioRecordUtilListener {
+    byte[] onReadPlayerPcmByte();
+}
diff --git a/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/OnReadAECProcessedPcmListener.java b/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/OnReadAECProcessedPcmListener.java
deleted file mode 100644
index d02e585a2..000000000
--- a/sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/OnReadAECProcessedPcmListener.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.tencent.iot.video.link.util.audio;
-
-public interface OnReadAECProcessedPcmListener {
-    byte[] onReadAECProcessedPcmListener(int length);
-}
diff --git a/sdkdemo/build.gradle b/sdkdemo/build.gradle
index 433ade7f6..fce738365 100644
--- a/sdkdemo/build.gradle
+++ b/sdkdemo/build.gradle
@@ -139,9 +139,9 @@ dependencies {
 
 //    implementation 'com.tencent.iot.thirdparty.android:ijkplayer-java:1.0.7'
 //    implementation 'com.tencent.iot.thirdparty.android:ijkplayer-armv7a:1.0.7'
-    api 'com.tencent.iot.thirdparty.android:ijkplayer-java:2.0.11'
-    api 'com.tencent.iot.thirdparty.android:ijkplayer-armv7a:2.0.11'
-    api 'com.tencent.iot.thirdparty.android:ijkplayer-arm64:2.0.11'
+    api 'com.tencent.iot.thirdparty.android:ijkplayer-java:2.0.12-SNAPSHOT'
+    api 'com.tencent.iot.thirdparty.android:ijkplayer-armv7a:2.0.12-SNAPSHOT'
+    api 'com.tencent.iot.thirdparty.android:ijkplayer-arm64:2.0.12-SNAPSHOT'
 
     implementation 'cn.aigestudio.wheelpicker:WheelPicker:1.1.3'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7-mpp-dev-11'
diff --git a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
index 509e74135..b9292922f 100644
--- a/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
+++ b/sdkdemo/src/main/java/com/tencent/iot/explorer/link/demo/video/preview/VideoPreviewActivity.kt
@@ -43,7 +43,7 @@ import com.tencent.iot.explorer.link.demo.video.utils.VolumeChangeObserver
 import com.tencent.iot.video.link.consts.VideoConst
 import com.tencent.iot.video.link.entity.DeviceStatus
 import com.tencent.iot.video.link.util.audio.AudioRecordUtil
-import com.tencent.iot.video.link.util.audio.OnReadAECProcessedPcmListener
+import com.tencent.iot.video.link.util.audio.AudioRecordUtilListener
 import com.tencent.xnet.XP2P
 import com.tencent.xnet.XP2PCallback
 import kotlinx.android.synthetic.main.activity_video_preview.*
@@ -66,7 +66,8 @@ private var keepPlayThreadLock = Object()
 private var keepAliveThreadRuning = true
 
 class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.SurfaceTextureListener,
-    XP2PCallback, CoroutineScope by MainScope(), VolumeChangeObserver.VolumeChangeListener{
+    XP2PCallback, CoroutineScope by MainScope(), VolumeChangeObserver.VolumeChangeListener,
+    AudioRecordUtilListener {
 
     open var tag = VideoPreviewActivity::class.simpleName
     var orientationV = true
@@ -139,9 +140,11 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
             presenter.getEventsData(Date())
             tv_event_status.visibility = View.VISIBLE
             tv_event_status.setText(R.string.loading)
-            audioRecordUtil = AudioRecordUtil(this, "${it.productId}/${presenter.getDeviceName()}", 16000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT)
+//            audioRecordUtil = AudioRecordUtil(this, "${it.productId}/${presenter.getDeviceName()}", 16000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT)
 //            //变调可以传入pitch参数
 //            audioRecordUtil = AudioRecordUtil(this, "${it.productId}/${presenter.getDeviceName()}", 16000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, -6)
+            // 变调可以传入pitch参数
+            audioRecordUtil = AudioRecordUtil(this, "${it.productId}/${presenter.getDeviceName()}", 16000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, 0, this)
             audioRecordUtil.recordSpeakFlv(true)
         }
 
@@ -270,7 +273,6 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
                 JSONArray.parseArray(repStatus, DevStatus::class.java)?.let {
                     if (it.size == 1 && it.get(0).status == 0) {
                         XP2P.runSendService("${accessInfo.productId}/${presenter.getDeviceName()}", Command.getTwoWayRadio(presenter.getChannel()), true)
-                        audioRecordUtil.setPlayer(player)
                         audioRecordUtil.start()
                         return true
                     }
@@ -585,14 +587,15 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
 
     private fun finishPlayer() {
         mHandler.removeMessages(MSG_UPDATE_HUD)
-        player?._setApmStatus(false);
-        player?.release()
         if (radio_talk.isChecked) speakAble(false)
         if (radio_record.isChecked) {
             player.stopRecord()
             CommonUtils.refreshVideoList(this@VideoPreviewActivity, filePath)
         }
 
+        player?._setApmStatus(false);
+        player?.release()
+
         countDownLatchs.clear()
         // 关闭守护线程
         keepAliveThreadRuning = false
@@ -732,4 +735,16 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
             CommonUtils.formatedSpeed(tcpSpeed, 1000))
         tv_video_w_h?.text = "${player.videoWidth} x ${player.videoHeight}"
     }
+
+    override fun onReadPlayerPcmByte(): ByteArray? {
+        val data = ByteArray(10240)
+        val len = player._getPcmData(data)
+        return if (len > 0) {
+            val playerBytes = ByteArray(len)
+            System.arraycopy(data, 0, playerBytes, 0, len);
+            playerBytes
+        } else {
+            null
+        }
+    }
 }
\ No newline at end of file