diff --git a/AndroidMedia/src/main/java/com/frank/androidmedia/controller/MediaProjectionController.kt b/AndroidMedia/src/main/java/com/frank/androidmedia/controller/MediaProjectionController.kt
index 48e615f..90e2cee 100644
--- a/AndroidMedia/src/main/java/com/frank/androidmedia/controller/MediaProjectionController.kt
+++ b/AndroidMedia/src/main/java/com/frank/androidmedia/controller/MediaProjectionController.kt
@@ -176,6 +176,8 @@ open class MediaProjectionController(type: Int) {
     fun stopScreenRecord() {
         mediaProjection?.stop()
         virtualDisplay?.release()
+        isVideoEncoding = false
+        encodeThread?.interrupt()
         videoEncoder?.release()
     }
 
diff --git a/Live/src/main/java/com/frank/live/LivePusherNew.java b/Live/src/main/java/com/frank/live/LivePusherNew.java
index 6b9c791..80f99d3 100644
--- a/Live/src/main/java/com/frank/live/LivePusherNew.java
+++ b/Live/src/main/java/com/frank/live/LivePusherNew.java
@@ -9,7 +9,7 @@ import com.frank.live.listener.OnFrameDataCallback;
 import com.frank.live.param.AudioParam;
 import com.frank.live.param.VideoParam;
 import com.frank.live.stream.AudioStream;
-import com.frank.live.stream.CameraType;
+import com.frank.live.camera.CameraType;
 import com.frank.live.stream.VideoStream;
 import com.frank.live.stream.VideoStreamBase;
 import com.frank.live.stream.VideoStreamNew;
diff --git a/Live/src/main/java/com/frank/live/camera2/Camera2Helper.java b/Live/src/main/java/com/frank/live/camera/Camera2Helper.java
similarity index 99%
rename from Live/src/main/java/com/frank/live/camera2/Camera2Helper.java
rename to Live/src/main/java/com/frank/live/camera/Camera2Helper.java
index c49770f..5a3342e 100644
--- a/Live/src/main/java/com/frank/live/camera2/Camera2Helper.java
+++ b/Live/src/main/java/com/frank/live/camera/Camera2Helper.java
@@ -1,4 +1,4 @@
-package com.frank.live.camera2;
+package com.frank.live.camera;
 
 import android.Manifest;
 import android.annotation.TargetApi;
diff --git a/Live/src/main/java/com/frank/live/camera2/Camera2Listener.java b/Live/src/main/java/com/frank/live/camera/Camera2Listener.java
similarity index 88%
rename from Live/src/main/java/com/frank/live/camera2/Camera2Listener.java
rename to Live/src/main/java/com/frank/live/camera/Camera2Listener.java
index 8f7e5a9..70062a9 100644
--- a/Live/src/main/java/com/frank/live/camera2/Camera2Listener.java
+++ b/Live/src/main/java/com/frank/live/camera/Camera2Listener.java
@@ -1,4 +1,4 @@
-package com.frank.live.camera2;
+package com.frank.live.camera;
 
 
 import android.util.Size;
diff --git a/Live/src/main/java/com/frank/live/stream/CameraHelper.java b/Live/src/main/java/com/frank/live/camera/CameraHelper.java
similarity index 94%
rename from Live/src/main/java/com/frank/live/stream/CameraHelper.java
rename to Live/src/main/java/com/frank/live/camera/CameraHelper.java
index 3fa656d..728b82e 100644
--- a/Live/src/main/java/com/frank/live/stream/CameraHelper.java
+++ b/Live/src/main/java/com/frank/live/camera/CameraHelper.java
@@ -1,4 +1,4 @@
-package com.frank.live.stream;
+package com.frank.live.camera;
 
 import android.app.Activity;
 import android.graphics.ImageFormat;
@@ -10,7 +10,7 @@ import java.util.List;
 
 public class CameraHelper implements SurfaceHolder.Callback, Camera.PreviewCallback {
 
-    private Activity mActivity;
+    private final Activity mActivity;
     private int mHeight;
     private int mWidth;
     private int mCameraId;
@@ -22,14 +22,14 @@ public class CameraHelper implements SurfaceHolder.Callback, Camera.PreviewCallb
     private OnChangedSizeListener mOnChangedSizeListener;
     private byte[] bytes;
 
-    CameraHelper(Activity activity, int cameraId, int width, int height) {
+    public CameraHelper(Activity activity, int cameraId, int width, int height) {
         mActivity = activity;
         mCameraId = cameraId;
         mWidth = width;
         mHeight = height;
     }
 
-    void switchCamera() {
+    public void switchCamera() {
         if (mCameraId == Camera.CameraInfo.CAMERA_FACING_BACK) {
             mCameraId = Camera.CameraInfo.CAMERA_FACING_FRONT;
         } else {
@@ -115,12 +115,12 @@ public class CameraHelper implements SurfaceHolder.Callback, Camera.PreviewCallb
     }
 
 
-    void setPreviewDisplay(SurfaceHolder surfaceHolder) {
+    public void setPreviewDisplay(SurfaceHolder surfaceHolder) {
         mSurfaceHolder = surfaceHolder;
         mSurfaceHolder.addCallback(this);
     }
 
-    void setPreviewCallback(Camera.PreviewCallback previewCallback) {
+    public void setPreviewCallback(Camera.PreviewCallback previewCallback) {
         mPreviewCallback = previewCallback;
     }
 
@@ -199,7 +199,7 @@ public class CameraHelper implements SurfaceHolder.Callback, Camera.PreviewCallb
     }
 
 
-    void setOnChangedSizeListener(OnChangedSizeListener listener) {
+    public void setOnChangedSizeListener(OnChangedSizeListener listener) {
         mOnChangedSizeListener = listener;
     }
 
diff --git a/Live/src/main/java/com/frank/live/stream/CameraType.java b/Live/src/main/java/com/frank/live/camera/CameraType.java
similarity index 63%
rename from Live/src/main/java/com/frank/live/stream/CameraType.java
rename to Live/src/main/java/com/frank/live/camera/CameraType.java
index ccb7e4e..8f6d889 100644
--- a/Live/src/main/java/com/frank/live/stream/CameraType.java
+++ b/Live/src/main/java/com/frank/live/camera/CameraType.java
@@ -1,4 +1,4 @@
-package com.frank.live.stream;
+package com.frank.live.camera;
 
 public enum CameraType {
     CAMERA1,
diff --git a/Live/src/main/java/com/frank/live/stream/VideoStream.java b/Live/src/main/java/com/frank/live/stream/VideoStream.java
index 5c5e4c7..84f429a 100644
--- a/Live/src/main/java/com/frank/live/stream/VideoStream.java
+++ b/Live/src/main/java/com/frank/live/stream/VideoStream.java
@@ -6,14 +6,13 @@ import android.hardware.Camera;
 import android.view.SurfaceHolder;
 import android.view.View;
 
+import com.frank.live.camera.CameraHelper;
 import com.frank.live.listener.OnFrameDataCallback;
 import com.frank.live.param.VideoParam;
 
-
 public class VideoStream extends VideoStreamBase implements Camera.PreviewCallback,
         CameraHelper.OnChangedSizeListener {
 
-
     private final OnFrameDataCallback mCallback;
     private final CameraHelper cameraHelper;
     private final int mBitrate;
diff --git a/Live/src/main/java/com/frank/live/stream/VideoStreamNew.java b/Live/src/main/java/com/frank/live/stream/VideoStreamNew.java
index 99c4489..45d8568 100644
--- a/Live/src/main/java/com/frank/live/stream/VideoStreamNew.java
+++ b/Live/src/main/java/com/frank/live/stream/VideoStreamNew.java
@@ -10,8 +10,8 @@ import android.view.SurfaceHolder;
 import android.view.TextureView;
 import android.view.View;
 
-import com.frank.live.camera2.Camera2Helper;
-import com.frank.live.camera2.Camera2Listener;
+import com.frank.live.camera.Camera2Helper;
+import com.frank.live.camera.Camera2Listener;
 import com.frank.live.listener.OnFrameDataCallback;
 import com.frank.live.param.VideoParam;
 
diff --git a/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.kt b/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.kt
index 719473b..c052fe2 100644
--- a/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.kt
+++ b/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.kt
@@ -19,12 +19,12 @@ import android.widget.ToggleButton
 import com.frank.ffmpeg.R
 import com.frank.ffmpeg.handler.ConnectionReceiver
 import com.frank.ffmpeg.listener.OnNetworkChangeListener
-import com.frank.live.camera2.Camera2Helper
+import com.frank.live.camera.Camera2Helper
 import com.frank.live.listener.LiveStateChangeListener
 import com.frank.live.param.AudioParam
 import com.frank.live.param.VideoParam
 import com.frank.live.LivePusherNew
-import com.frank.live.stream.CameraType
+import com.frank.live.camera.CameraType
 
 /**
  * Realtime living with rtmp stream