diff --git a/app/src/main/java/com/flywithu/carnav/RealService.java b/app/src/main/java/com/flywithu/carnav/RealService.java
index 42dcd56..b3eae2d 100644
--- a/app/src/main/java/com/flywithu/carnav/RealService.java
+++ b/app/src/main/java/com/flywithu/carnav/RealService.java
@@ -338,13 +338,7 @@ feff0041c9c0c5b4bc18005a
 
         @Override
         public void onReceive(Context context, Intent intent) {
-            try {
-                if (sPort != null) {
-                    sPort.write("abc".getBytes(), 3000);
-                }
-            } catch (Exception e) {
-                e.toString();
-            }
+
 
             Bundle bundle = intent.getExtras();
             if (bundle != null) {