diff --git a/AIParkingApplication/Statistic.cs b/AIParkingApplication/Statistic.cs
index a3a0c86..d7b0985 100644
--- a/AIParkingApplication/Statistic.cs
+++ b/AIParkingApplication/Statistic.cs
@@ -32,7 +32,7 @@ namespace AIParkingApplication
         private async void GetDataUpdate()
         {
             ParkInfo parkInfo = await apiController.GetStatisticInfo();
-            if (parkInfo != null)
+            if (parkInfo != null && IsHandleCreated)
             {
                 lblSoLuongXeMay.UpdateLabel(parkInfo.NumberOfMoto.ToString());
                 lblSoLuongOto.UpdateLabel(parkInfo.NumberOfCar.ToString());