diff --git a/app/src/main/cpp/GPIOControl.h b/app/src/main/cpp/GPIOControl.h
index 0d1f3fb2..34311d41 100644
--- a/app/src/main/cpp/GPIOControl.h
+++ b/app/src/main/cpp/GPIOControl.h
@@ -52,6 +52,11 @@ public:
         setInt(CMD_SET_OTG_STATE, on ? 1 : 0);
     }
 
+    static bool getOtgState()
+    {
+        return getInt(CMD_SET_OTG_STATE) != 0;
+    }
+
     static void setCam3V3Enable(bool enabled)
     {
         setInt(CMD_SET_CAM_3V3_EN_STATE, enabled ? 1 : 0);
diff --git a/app/src/main/java/com/xypower/mpapp/ChannelActivity.java b/app/src/main/java/com/xypower/mpapp/ChannelActivity.java
index 3b0defc3..517a9f01 100644
--- a/app/src/main/java/com/xypower/mpapp/ChannelActivity.java
+++ b/app/src/main/java/com/xypower/mpapp/ChannelActivity.java
@@ -69,8 +69,25 @@ public class ChannelActivity extends AppCompatActivity {
                 saveChannelParams(channel);
             }
         });
-    }
 
+        binding.btnNightMode.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (binding.btnNightMode.isChecked() && binding.btnHdrMode.isChecked()) {
+                    binding.btnHdrMode.setChecked(false);
+                }
+            }
+        });
+
+        binding.btnHdrMode.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (binding.btnHdrMode.isChecked() && binding.btnNightMode.isChecked()) {
+                    binding.btnNightMode.setChecked(false);
+                }
+            }
+        });
+    }
 
     private View.OnFocusChangeListener onFocusChangeListener = new View.OnFocusChangeListener() {
         @Override
@@ -129,7 +146,8 @@ public class ChannelActivity extends AppCompatActivity {
             binding.btnUsbCamera.setChecked(jsonObject.optInt("usbCamera", 0) == 1);
             binding.btnAutoExplosure.setChecked(jsonObject.optInt("autoExposure", 1) == 1);
             binding.btnAutoFocus.setChecked(jsonObject.optInt("autoFocus", 1) == 1);
-            binding.btnHdrMode.setChecked(jsonObject.optInt("hdr", 1) == 1);
+            binding.btnHdrMode.setChecked(jsonObject.optInt("hdr", 0) == 1);
+            binding.btnNightMode.setChecked(jsonObject.optInt("nightMode", 0) == 1);
             binding.exposuretime.setText(Integer.toString(jsonObject.optInt("exposureTime", 0)));
             binding.sensitivity.setText(Integer.toString(jsonObject.optInt("sensibility", 0)));
             binding.orientations.setSelection(jsonObject.optInt("orientation", 0));
@@ -191,6 +209,7 @@ public class ChannelActivity extends AppCompatActivity {
             jsonObject.put("autoExposure", binding.btnAutoExplosure.isChecked() ? 1 : 0);
             jsonObject.put("autoFocus", binding.btnAutoFocus.isChecked() ? 1 : 0);
             jsonObject.put("hdrMode", binding.btnHdrMode.isChecked() ? 1 : 0);
+            jsonObject.put("nightMode", binding.btnNightMode.isChecked() ? 1 : 0);
             jsonObject.put("exposureTime", Integer.parseInt(binding.exposuretime.getText().toString()));
             jsonObject.put("sensibility", Integer.parseInt(binding.sensitivity.getText().toString()));
             jsonObject.put("orientation", binding.orientations.getSelectedItemPosition());
diff --git a/app/src/main/java/com/xypower/mpapp/MainActivity.java b/app/src/main/java/com/xypower/mpapp/MainActivity.java
index 5a926f9d..63dfd0e3 100644
--- a/app/src/main/java/com/xypower/mpapp/MainActivity.java
+++ b/app/src/main/java/com/xypower/mpapp/MainActivity.java
@@ -509,6 +509,13 @@ public class MainActivity extends AppCompatActivity {
             @Override
             public void onClick(View view) {
                 SysApi.setOtgState(true);
+
+                try {
+                    Thread.sleep(100);
+                } catch (Exception e) {
+
+                }
+                SysApi.setOtgState(true);
                 SysApi.setCam3V3Enable(true);
 
                 String cameraInfo = CameraUtils.getAllCameraInfo(view.getContext());
diff --git a/app/src/main/res/layout/activity_channel.xml b/app/src/main/res/layout/activity_channel.xml
index b4e8882e..b0c606f2 100644
--- a/app/src/main/res/layout/activity_channel.xml
+++ b/app/src/main/res/layout/activity_channel.xml
@@ -116,6 +116,16 @@
         app:layout_constraintStart_toEndOf="@+id/btnAutoFocus"
         app:layout_constraintTop_toBottomOf="@+id/resolutionCX" />
 
+    <Switch
+        android:id="@+id/btnNightMode"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="12dp"
+        android:layout_marginTop="6dp"
+        android:text="Night"
+        app:layout_constraintStart_toEndOf="@+id/btnHdrMode"
+        app:layout_constraintTop_toBottomOf="@+id/resolutionCX" />
+
     <TextView
         android:id="@+id/textViewExplosure"
         android:layout_width="wrap_content"
diff --git a/common/src/main/java/com/xypower/common/CameraUtils.java b/common/src/main/java/com/xypower/common/CameraUtils.java
index 0cfe6eb2..2cdb082d 100644
--- a/common/src/main/java/com/xypower/common/CameraUtils.java
+++ b/common/src/main/java/com/xypower/common/CameraUtils.java
@@ -6,6 +6,7 @@ import android.hardware.camera2.CameraCharacteristics;
 import android.hardware.camera2.CameraManager;
 import android.hardware.camera2.CameraMetadata;
 import android.hardware.camera2.params.StreamConfigurationMap;
+import android.text.TextUtils;
 import android.util.Log;
 import android.util.Size;
 
@@ -22,6 +23,11 @@ public class CameraUtils {
             builder.append("\n");
             int idx = 1;
             for (String cameraId : cameraIds) {
+
+                builder.append(idx++);
+                builder.append(": Id=");
+                builder.append(cameraId);
+
                 CameraCharacteristics cameraCharacteristics = null;
 
                 try {
@@ -32,11 +38,7 @@ public class CameraUtils {
 
                 if (cameraCharacteristics != null) {
 
-                    builder.append(idx++);
-                    builder.append(": Id=");
-                    builder.append(cameraId);
                     builder.append(" facing=");
-
                     Integer facing = cameraCharacteristics.get(CameraCharacteristics.LENS_FACING);
                     builder.append(facing == null ? "" : facing.toString());
                     builder.append(" orientation=");
@@ -44,7 +46,7 @@ public class CameraUtils {
                     builder.append(orientation == null ? "" : orientation.toString());
 
                     StreamConfigurationMap map = cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
-                    Size[] sizes = map.getOutputSizes(ImageFormat.JPEG);
+                    Size[] sizes = map.getOutputSizes(ImageFormat.YUV_420_888);
 
                     for (int i = 0; i < sizes.length; i++) {
                         Size itemSize = sizes[i];