diff --git a/app/src/main/java/com/xypower/mpremote/DeviceActivity.java b/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
index e77da46..83adf2e 100644
--- a/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
+++ b/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
@@ -64,6 +64,7 @@ public class DeviceActivity extends AppCompatActivity {
     private static final String KEY_APP_BV = "app.bv";
     private static final String KEY_APP_BCV = "app.bcv";
     private static final String KEY_RO_SERIALNO = "ro.serialno";
+    private static final String KEY_RO_CUSTOM_OTA_VERSION = "ro.custom.ota.version";
     private static final String KEY_RO_MODEMS_MAX_COUNT = "telephony.active_modems.max_count";
     private static final String KEY_RO_SIGNAL_STRNGTH_PREFIX = "vendor.ril.nw.signalstrength.lte.";
 
@@ -609,6 +610,12 @@ public class DeviceActivity extends AppCompatActivity {
             appendKeyValue(stringBuilder, "序列号", val, true);
         }
 
+        if (mProps.containsKey(KEY_RO_CUSTOM_OTA_VERSION)) {
+            String val = (String)mProps.get(KEY_RO_CUSTOM_OTA_VERSION);
+            appendKeyValue(stringBuilder, "系统版本", val, true);
+        }
+
+
         int numberOfSimcard = 0;
         if (mProps.containsKey(KEY_RO_MODEMS_MAX_COUNT)) {
             String val = (String)mProps.get(KEY_RO_MODEMS_MAX_COUNT);