diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index ee8fd3f7..3ccfcca9 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -232,6 +232,7 @@ CPhoneDevice::~CPhoneDevice()
     if (m_pRecognizationCfg != NULL)
     {
         ncnn_uninit();
+        m_pRecognizationCfg = NULL;
     }
 }
 
@@ -350,6 +351,44 @@ bool CPhoneDevice::QuerySystemProperties(std::map<std::string, std::string>& pro
             fs::space_info si = fs::space("/data");
             it->second = std::to_string(si.capacity);
         }
+        else if (it->first == (PROP_CHARGING_VOLTAGE))
+        {
+            double val = GpioControl::getChargingVoltage() / 200.0; // ChargeVol  *5/1000
+            char str[32] = { 0 };
+            snprintf(str, sizeof(str), "%.0f", val);
+            it->second = str;
+        }
+        else if (it->first == (PROP_CHARGING_CURRENT))
+        {
+            it->second = std::to_string(GpioControl::getChargingCurrent());
+        }
+        else if (it->first == (PROP_CHARGING_POWER))
+        {
+            it->second = std::to_string(GpioControl::getChargingPower());
+        }
+        else if (it->first == (PROP_CHARGING_BUS_VOL))
+        {
+            it->second = std::to_string(GpioControl::getChargingBusVoltage());
+        }
+        else if (it->first == (PROP_BATTERY_VOLTAGE))
+        {
+            double val = GpioControl::getBatteryVoltage() * 3.0 / 1000.0;  // // BatVol
+            char str[32] = { 0 };
+            snprintf(str, sizeof(str), "%.0f", val);
+            it->second = str;
+        }
+        else if (it->first == (PROP_BATTERY_CURRENT))
+        {
+            it->second = std::to_string(GpioControl::getBatteryCurrent());
+        }
+        else if (it->first == (PROP_BATTERY_POWER))
+        {
+            it->second = std::to_string(GpioControl::getBatteryPower());
+        }
+        else if (it->first == (PROP_BATTERY_BUS_VOL))
+        {
+            it->second = std::to_string(GpioControl::getBatteryBusVoltage());
+        }
         else if (startsWith(it->first, PROP_JAVA_PREFIX))
         {
             if (powerInfo.empty())
@@ -362,6 +401,7 @@ bool CPhoneDevice::QuerySystemProperties(std::map<std::string, std::string>& pro
                 it->second = it2->second;
             }
         }
+
     }
 
     // __system_property_get("ro.telephony.default_network", value);
diff --git a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
index 8a894c4a..307636f7 100644
--- a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
+++ b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
@@ -14,6 +14,10 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
 import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
@@ -43,6 +47,7 @@ import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.telephony.SignalStrength;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
+import android.text.TextPaint;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.util.Log;
@@ -55,6 +60,7 @@ import com.xypower.common.InetAddressUtils;
 import com.xypower.common.MicroPhotoContext;
 
 import java.io.File;
+import java.io.FileOutputStream;
 import java.lang.reflect.Method;
 import java.net.InetAddress;
 import java.util.ArrayList;
@@ -230,6 +236,56 @@ public class MicroPhotoService extends Service {
         super.onDestroy();
     }
 
+    public boolean drawText(Bitmap bitmap, String[] osds, float[] x, float[] y, int fontSize, int strokeWidth, int quality, String path) {
+        Canvas canvas = new Canvas(bitmap);
+
+        TextPaint paint = new TextPaint();
+        paint.setStyle(Paint.Style.FILL_AND_STROKE);
+        paint.setColor(Color.WHITE);
+        paint.setStrokeWidth(0);
+        paint.setTextSize(fontSize);
+        paint.setAntiAlias(true);
+
+        for (int idx = 0; idx < osds.length; idx++) {
+            canvas.drawText(osds[idx], x[idx], y[idx], paint);
+        }
+
+        TextPaint paint2 = new TextPaint();
+
+        paint2.setColor(Color.BLACK);
+        paint2.setStyle(Paint.Style.STROKE);
+        paint2.setStrokeWidth(strokeWidth);
+        paint2.setTextSize(fontSize);
+        paint2.setAntiAlias(true);
+
+        for (int idx = 0; idx < osds.length; idx++) {
+            canvas.drawText(osds[idx], x[idx], y[idx], paint2);
+        }
+
+        FileOutputStream fileOutputStream = null;
+        try {
+            File file = new File(path);
+            if (file.exists()) {
+                file.delete();
+            }
+            fileOutputStream = new FileOutputStream(file);
+
+            return bitmap.compress(Bitmap.CompressFormat.JPEG, quality, fileOutputStream);
+        } catch (Exception ex) {
+
+        } finally {
+            if (fileOutputStream != null) {
+                try {
+                    fileOutputStream.close();
+                } catch (Exception ex) {
+
+                }
+            }
+        }
+
+        return false;
+    }
+
     public static class ServiceHandler extends Handler {
         @Override
         public void dispatchMessage(Message msg) {
@@ -954,21 +1010,6 @@ public class MicroPhotoService extends Service {
             sb.append("&SL=" + signalLevel);
         }
 
-        if (isXyPlatform) {
-            java.text.DecimalFormat fmt=new java.text.DecimalFormat("0.0");
-
-            double val = SysApi.getChargingVoltage() / 200.0;
-            sb.append("&CV=" + fmt.format(val));      // ChargeVol  *5/1000
-            sb.append("&CC=" + SysApi.getChargingCurrent());     // ChargeCurrent
-            sb.append("&CP=" + SysApi.getChargingPower());        // ChargePower:
-            sb.append("&CBV=" + SysApi.getChargingBusVoltage());        // ChargeBusVol
-            val = SysApi.getBatteryVoltage() * 3.0 / 1000.0;
-            sb.append("&BV=" + fmt.format(val));       // BatVol
-            sb.append("&BC=" + SysApi.getBatteryCurrent());       // BatCurrent
-            sb.append("&BP=" + SysApi.getBatteryPower());         // BattaryPower
-            sb.append("&BBV=" + SysApi.getBatteryBusVoltage());   // BattaryBusVol
-        }
-
         // SysApi.getCpuRate();
 
         return sb.toString();