diff --git a/AIParkingApplication/ApiController.cs b/AIParkingApplication/ApiController.cs
index 0a02a20..1e2331d 100644
--- a/AIParkingApplication/ApiController.cs
+++ b/AIParkingApplication/ApiController.cs
@@ -9,19 +9,19 @@ namespace AIParkingApplication
 {
     public class ApiController : IDisposable
     {
-        private const int MAX_REQUEST = 3;
         private HttpClient httpClient;
         private bool isHttpClientDisposabled;
+        private int numberOfRetry;
 
-        public ApiController(string serverIPAddress, int numberOfRetry = 5)
+        public ApiController(string serverIPAddress, int numberOfRetry = 3)
         {
-
             httpClient = new HttpClient
             {
                 BaseAddress = new Uri($"http://{serverIPAddress}"),
                 Timeout = TimeSpan.FromSeconds(5)
             };
             isHttpClientDisposabled = false;
+            this.numberOfRetry = numberOfRetry;
         }
 
         ~ApiController()
@@ -92,7 +92,7 @@ namespace AIParkingApplication
                     requestCounter += 1;
                     await Task.Delay(100);
                 }
-                while (response.StatusCode != HttpStatusCode.OK && requestCounter < MAX_REQUEST);
+                while (response.StatusCode != HttpStatusCode.OK && requestCounter < numberOfRetry);
 
                 var cardValication = await response.Content.ReadAsAsync<CardInformation>();
                 return cardValication;
@@ -135,7 +135,7 @@ namespace AIParkingApplication
                     response.EnsureSuccessStatusCode();
                     requestCounter += 1;
                     await Task.Delay(100);
-                } while (response.StatusCode != HttpStatusCode.OK && requestCounter < MAX_REQUEST);
+                } while (response.StatusCode != HttpStatusCode.OK && requestCounter < numberOfRetry);
                 SaveLogRespone saveLogRespone = await response.Content.ReadAsAsync<SaveLogRespone>();
                 return saveLogRespone;
             }