diff --git a/AIParkingApplication/AIParkingApplicationForm.cs b/AIParkingApplication/AIParkingApplicationForm.cs
index dba2f67..1fe9d65 100644
--- a/AIParkingApplication/AIParkingApplicationForm.cs
+++ b/AIParkingApplication/AIParkingApplicationForm.cs
@@ -265,15 +265,7 @@ namespace AIParkingApplication
 
         private void AIParkingApplicationForm_FormClosing(object sender, FormClosingEventArgs e)
         {
-            DialogResult closeAppDialog = MessageBox.Show("Bạn chắc chắn thoát phần mềm quản lý bãi xe?", "Cảnh báo đóng ứng dụng: AIParking - Hệ thống quản lý bãi đỗ xe", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
-            if (closeAppDialog == DialogResult.OK)
-            {
-                Environment.Exit(0);
-            }
-            else
-            {
-                e.Cancel = true;
-            }
+            Application.Exit();
         }
     }
 }
diff --git a/AIParkingApplication/App.config b/AIParkingApplication/App.config
index eb9980e..2bd35b8 100644
--- a/AIParkingApplication/App.config
+++ b/AIParkingApplication/App.config
@@ -2,7 +2,7 @@
 <configuration>
 	<appSettings>
 		<add key="DOOR_ACCESS_DEVICE_CONTROL_IP" value="192.168.1.200" />
-		<add key="DEFAULT_USERNAME" value="congvao1" />
+		<add key="DEFAULT_USERNAME" value="cong1vao" />
 		<add key="DEFAULT_PASSWORD" value="123456a@" />
 		<add key="CURRENT_LANE_SETTING" value="OUT-OUT" />
 	</appSettings>