diff --git a/app/src/main/java/com/huawei/cloudapp/ui/CasCloudMainActivity.java b/app/src/main/java/com/huawei/cloudapp/ui/CasCloudMainActivity.java
index 520ba79571f5c45651a593f2a2c9f7d784975e64..5ed6ad500a9f19fb419dca883dbe5bd7c2e59573 100644
--- a/app/src/main/java/com/huawei/cloudapp/ui/CasCloudMainActivity.java
+++ b/app/src/main/java/com/huawei/cloudapp/ui/CasCloudMainActivity.java
@@ -80,11 +80,15 @@ public class CasCloudMainActivity extends Activity {
                         mEncodeType = 1;
                         mRemoteEncodeServerIpLayout.setVisibility(View.GONE);
                         mRemoteEncodeServerPortLayout.setVisibility(View.GONE);
+                        mRemoteEncodeServerIp.setText("");
+                        mRemoteEncodeServerPort.setText("");
                         break;
                     case R.id.radioButtonGpu:
                         mEncodeType = 2;
                         mRemoteEncodeServerIpLayout.setVisibility(View.GONE);
                         mRemoteEncodeServerPortLayout.setVisibility(View.GONE);
+                        mRemoteEncodeServerIp.setText("");
+                        mRemoteEncodeServerPort.setText("");
                         break;
                     case R.id.radioButtonRemote:
                         mRemoteEncodeServerIpLayout.setVisibility(View.VISIBLE);
@@ -94,6 +98,8 @@ public class CasCloudMainActivity extends Activity {
                         mEncodeType = 0;
                         mRemoteEncodeServerIpLayout.setVisibility(View.GONE);
                         mRemoteEncodeServerPortLayout.setVisibility(View.GONE);
+                        mRemoteEncodeServerIp.setText("");
+                        mRemoteEncodeServerPort.setText("");
                         break;
                 }
             }
diff --git a/app/src/main/res/layout/activity_cas_cloud_main.xml b/app/src/main/res/layout/activity_cas_cloud_main.xml
index b2e7e16ae28c9790812f5dfce19203ba03f1b90a..edc4fdd8eb977f5178124d52c58b9075d07a827e 100644
--- a/app/src/main/res/layout/activity_cas_cloud_main.xml
+++ b/app/src/main/res/layout/activity_cas_cloud_main.xml
@@ -68,7 +68,8 @@
         android:layout_marginLeft="20dp"
         android:layout_marginTop="30dp"
         android:layout_marginRight="20dp"
-        android:orientation="vertical">
+        android:orientation="vertical"
+        android:visibility="gone">
 
         <RadioGroup
             android:id="@+id/encodeTypeRadioButtonGroup"
@@ -169,7 +170,8 @@
         android:layout_marginLeft="20dp"
         android:layout_marginTop="30dp"
         android:layout_marginRight="20dp"
-        android:orientation="horizontal">
+        android:orientation="horizontal"
+        android:visibility="gone">
 
         <RadioGroup
             android:id="@+id/frameTypeRadioButtonGroup"
diff --git a/cloudphone/src/main/cpp/CasController.cpp b/cloudphone/src/main/cpp/CasController.cpp
index 2b5a948d9ae579c52a4548931db18aca595a9fbe..2b4b25305b09d47c90565966b132d952ce4f3685 100644
--- a/cloudphone/src/main/cpp/CasController.cpp
+++ b/cloudphone/src/main/cpp/CasController.cpp
@@ -33,7 +33,7 @@ const int HEIGHT_MIN = 240;
 const int TIMES = 8;
 const int FRAME_RATE_MIN = 10;
 const int FRAME_RATE_MAX = 60;
-const std::string CLIENT_TYPE = "0";
+const std::string CLIENT_TYPE = "1";
 
 CasController *CasController::g_instance = nullptr;
 CasController *CasController::GetInstance()
diff --git a/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/camera/VirtualCamera.java b/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/camera/VirtualCamera.java
index c033b7d11f65d1bb0a0fe32dfd1c4144e9c72c62..2f2a9c78ae355f54dad40fc6b1adc5b37234fe4b 100644
--- a/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/camera/VirtualCamera.java
+++ b/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/camera/VirtualCamera.java
@@ -56,8 +56,8 @@ public class VirtualCamera implements Camera.PreviewCallback {
 
     private int mWidth = DEFAULT_WIDTH;
     private int mHeight = DEFAULT_HEIGHT;
-    private int mFps = 30;
-    private int mBitrate = 4000000;
+    private int mFps = 15;
+    private int mBitrate = 2000000;
     private SurfaceHolder mSurfaceHolder;
     private boolean mIsUseH264;
 
@@ -116,6 +116,7 @@ public class VirtualCamera implements Camera.PreviewCallback {
             Log.i(TAG, "startPreview: support fps range is " + ele[0] + "-" + ele[1]);
             if ((mFps * 1000 >= ele[0]) && (mFps * 1000 >= ele[1])) {
                 param.setPreviewFpsRange(ele[0], ele[1]);
+                param.setPreviewFrameRate(mFps);
             }
         }
 
diff --git a/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/common/VirtualDeviceProtocol.java b/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/common/VirtualDeviceProtocol.java
index 9e3983ec84667e9d029245d017758110074887cb..a421a059b9f7b0bc745175517991cea82f90e300 100644
--- a/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/common/VirtualDeviceProtocol.java
+++ b/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/common/VirtualDeviceProtocol.java
@@ -92,7 +92,6 @@ public class VirtualDeviceProtocol {
         for (Map.Entry<Short, VirtualDeviceManager> entry : virtualDeviceManagers.entrySet()) {
             entry.getValue().start();
         }
-        mContext.unregisterReceiver(mPermissionResultReceiver);
     }
 
     public void stopProcess() {
@@ -105,15 +104,21 @@ public class VirtualDeviceProtocol {
         for (Map.Entry<Short, VirtualDeviceManager> entry : virtualDeviceManagers.entrySet()) {
             entry.getValue().stop();
         }
+        mContext.unregisterReceiver(mPermissionResultReceiver);
     }
 
     public void sendMsg(MsgHeader header, byte[] body, int deviceType) {
         synchronized (mSendMsgLock) {
-            byte[] headerData = header.getData();
-            writeN(headerData, 0, headerData.length, deviceType);
+            int length = header.getData().length;
+            if(body != null) {
+                length += body.length;
+            }
+            byte[] data = new byte[length];
+            System.arraycopy(header.getData(), 0, data, 0, header.getData().length);
             if(body != null) {
-                writeN(body, 0, body.length, deviceType);
+                System.arraycopy(body, 0, data, header.getData().length, body.length);
             }
+            writeN(data, 0, length, deviceType);
         }
     }
 
diff --git a/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/microphone/VirtualMicrophoneManager.java b/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/microphone/VirtualMicrophoneManager.java
index b930993d7b865798dd625c65a9f0269e5150e88c..98f1fcf43a53a5dcf7cb1dc7c9f963f62d381ae4 100644
--- a/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/microphone/VirtualMicrophoneManager.java
+++ b/cloudphone/src/main/java/com/huawei/cloudphone/virtualdevice/microphone/VirtualMicrophoneManager.java
@@ -84,9 +84,18 @@ public class VirtualMicrophoneManager extends VirtualDeviceManager {
 
     public void initMicrophone() {
         mVirtualMicrophone.setOnRecvDataListener(new MicrophoneDataListener());
-        if (mVirtualMicrophone.start() != 0) {
+        int result = mVirtualMicrophone.start();
+        if (result != 0) {
             Log.e(TAG, "initMicrophone: failed to start microphone");
         }
+        byte[] rspBody = new byte[RSP_RESULT_LENGTH + RSP_AUDIO_TYPE_LENGTH];
+        rspBody[0] = 0x0;
+        rspBody[1] = (byte) (result == 0 ? 0x0 : 0x1);
+        rspBody[2] = 0x00;
+        rspBody[3] = 0x01;
+        int rspMsgLen = MSG_HEADER_LEN + RSP_RESULT_LENGTH + RSP_AUDIO_TYPE_LENGTH;
+        MsgHeader rspHeader = new MsgHeader(OPT_MICROPHONE_START_RECORD_RSP, DEV_TYPE_MICROPHONE, DEV_MIC_ID, rspMsgLen);
+        mVirtualDeviceProtocol.sendMsg(rspHeader, rspBody, MICROPHONE_DATA);
     }
 
     private void handleStartRecordReq(byte[] msgBody) {