diff --git a/mpmaster/src/main/cpp/mpmaster.cpp b/mpmaster/src/main/cpp/mpmaster.cpp
index e17feda4..5485b576 100644
--- a/mpmaster/src/main/cpp/mpmaster.cpp
+++ b/mpmaster/src/main/cpp/mpmaster.cpp
@@ -20,6 +20,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
+#include <sys/system_properties.h>
 
 #include <Client/Database.h>
 
@@ -83,3 +84,18 @@ Java_com_xypower_mpmaster_MpMasterService_getStats(JNIEnv* env, jclass cls, jlon
 }
 
 
+extern "C" JNIEXPORT jstring JNICALL
+Java_com_xypower_mpmaster_MpMasterService_getSystemProperty(
+        JNIEnv* env,
+        jclass cls, jstring key) {
+
+    const char *keyStr = env->GetStringUTFChars(key, 0);
+
+    char value[PROP_VALUE_MAX] = { 0 };
+    __system_property_get(keyStr, value);
+
+    env->ReleaseStringUTFChars(key, keyStr);
+
+    return env->NewStringUTF(value);
+}
+
diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
index 087dfe5d..98d0d6b9 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
@@ -10,7 +10,6 @@ import android.os.PowerManager;
 import android.os.SystemClock;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
-import android.util.Log;
 import android.util.Pair;
 import android.util.Base64;
 
@@ -224,6 +223,9 @@ public class AppMaster {
             postParams.add(new Pair<String, String>("oid", mService.getSerialNo()));
             postParams.add(new Pair<String, String>("maintainVersion", mService.getMasterAppVersion()));
 
+            postParams.add(new Pair<String, String>("firmware", MpMasterService.getSystemProperty("ro.custom.ota.version")));
+
+            // SysApi.
             postParams.add(new Pair<String, String>("simcard1", mService.getIccid(1)));
             // if (mService.isSeparateNetwork()) {
                 postParams.add(new Pair<String, String>("simcard2", mService.getIccid(2)));
@@ -307,6 +309,9 @@ public class AppMaster {
             stats.add(new Pair<String, String>("failedTimes", Integer.toString(items[6])));
             stats.add(new Pair<String, String>("uploads", Integer.toString(items[7])));
 
+            stats.add(new Pair<String, String>("uploads", Integer.toString(items[7])));
+
+
             if (items[8] > 0) {
                 stats.add(new Pair<String, String>("rebootTimes", Integer.toString(items[8])));
             }
diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
index a55fa83e..0dfd1083 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java
@@ -941,6 +941,7 @@ public class MpMasterService extends Service {
 
     public native static int getInt(int cmd);
     public native static int[] getStats(long ts);
+    public native static String getSystemProperty(String key);
 
 
     ////////////////////////GPS////////////////////