diff --git a/foudations/mogo-commons/src/main/java/com/mogo/commons/network/Utils.java b/foudations/mogo-commons/src/main/java/com/mogo/commons/network/Utils.java
index 6fe456a84c..ce63c20e22 100644
--- a/foudations/mogo-commons/src/main/java/com/mogo/commons/network/Utils.java
+++ b/foudations/mogo-commons/src/main/java/com/mogo/commons/network/Utils.java
@@ -65,14 +65,14 @@ public class Utils {
     public static final String PROPERTIES = "android.os.SystemProperties";
 
     public static String getSn() {
-        return "X2020210526D3DC7BA891CE2D76";
-//        if ( DebugConfig.getCarMachineType() != DebugConfig.CAR_MACHINE_TYPE_SELF_INNOVATE ) {
-//            return DeviceIdUtils.getDeviceId(AbsMogoApplication.getApp());
-//        }
-//        if(DebugConfig.getCarMachineType() == DebugConfig.CAR_MACHINE_TYPE_LENOVO){
-//            return   MoGoAiCloudClientConfig.getInstance().getSn();
-//        }
-//        return getSystemProperties( GSM_SERIAL );
+//        return "X2020210526D3DC7BA891CE2D76";
+        if ( DebugConfig.getCarMachineType() != DebugConfig.CAR_MACHINE_TYPE_SELF_INNOVATE ) {
+            return DeviceIdUtils.getDeviceId(AbsMogoApplication.getApp());
+        }
+        if(DebugConfig.getCarMachineType() == DebugConfig.CAR_MACHINE_TYPE_LENOVO){
+            return   MoGoAiCloudClientConfig.getInstance().getSn();
+        }
+        return getSystemProperties( GSM_SERIAL );
     }
 
     public static String getFotaVersion() {