update

BeHub/Hub/views.py

@@ -41,7 +41,10 @@ class UuidBeaconViewSet(APIView):
     serializer_class = BeaconSerializer
 
     def get(self, request, pk, category_name = None,format=None):
-        beacon = Beacon.objects.get(uuid = pk)
+        try:
+            beacon = Beacon.objects.get(uuid = pk)
+        except ObjectDoesNotExist:
+            return Response(status=rest_framework.status.HTTP_400_BAD_REQUEST, data={"This beacon is not exist"})
         beacon_manager = BeaconManager.objects.get(beacon=beacon)
         if category_name:
             try: