diff --git a/AIParkingApplication/AIParkingApplicationForm.cs b/AIParkingApplication/AIParkingApplicationForm.cs
index 4441735..b807aae 100644
--- a/AIParkingApplication/AIParkingApplicationForm.cs
+++ b/AIParkingApplication/AIParkingApplicationForm.cs
@@ -40,7 +40,7 @@ namespace AIParkingApplication
             };
             Controls.Add(sidebar);
 
-            statusBar = new StatusBar("192.168.1.122", doorAccessControlDeviceIP, TimeSpan.FromSeconds(1))
+            statusBar = new StatusBar("192.168.1.122", doorAccessControlDeviceIP)
             {
                 Location = new Point(0, sidebar.Location.Y + sidebar.Height + 26),
                 Anchor = AnchorStyles.Bottom | AnchorStyles.Left
diff --git a/AIParkingApplication/StatusBar.cs b/AIParkingApplication/StatusBar.cs
index 2fcf364..99f769e 100644
--- a/AIParkingApplication/StatusBar.cs
+++ b/AIParkingApplication/StatusBar.cs
@@ -11,17 +11,15 @@ namespace AIParkingApplication
     {
         private string webServerIP;
         private string doorAccessControlDeviceIP;
-        private TimeSpan updateInterval;
         private const string engineFilePath = @"\engine.bat";
         private Thread updateInfoThread;
 
-        public StatusBar(string webServerIP, string doorAccessControlDeviceIP, TimeSpan updateInterval)
+        public StatusBar(string webServerIP, string doorAccessControlDeviceIP)
         {
             InitializeComponent();
             this.webServerIP = webServerIP;
             this.doorAccessControlDeviceIP = doorAccessControlDeviceIP;
-            this.updateInterval = updateInterval;
-            updateInfoThread = new Thread(new ThreadStart(UpdateStatus)) { IsBackground = true };
+            updateInfoThread = new Thread(UpdateStatus) { IsBackground = true };
         }
 
         private void UpdateStatus()
@@ -56,7 +54,7 @@ namespace AIParkingApplication
                         lblEngineStatus.UpdateLabel("ĐANG HOẠT ĐỘNG", Color.Green);
                     }
                 }
-                Thread.Sleep(updateInterval);
+                Thread.Sleep(TimeSpan.FromSeconds(1));
             }
         }