diff --git a/AppData.cs b/AppData.cs
index dc52016..6bfaaa3 100644
--- a/AppData.cs
+++ b/AppData.cs
@@ -42,7 +42,7 @@ namespace SafeBagDE70
         {
             try
             {
-                WaitSQLStart();
+           
                 CDMSTATE = new CDMSTATE();
                 DeviceStatus = new DeviceStatus
                 {
@@ -71,77 +71,52 @@ namespace SafeBagDE70
 
         private static void InitUsers()
         {
-            try
+            int retryCount = 0;
+            int maxRetries = 20; // Max retries before giving up
+            int delay = 5000; // Delay between retries (5 seconds)
+            while (retryCount < maxRetries)
             {
-                
-                customerAccounts = new List<CustomerAccount>();
-                using (var context = new CDMDbContext())
+                try
                 {
-                    var customers = context.Customers;
-                    foreach (var customer in customers)
+
+                    customerAccounts = new List<CustomerAccount>();
+                    using (var context = new CDMDbContext())
                     {
-                        var ca = new CustomerAccount
+                        var customers = context.Customers;
+                        foreach (var customer in customers)
                         {
-                            Name = customer.TenantName,
-                            CustomerId = customer.AccountNumber,
-                            QRCode = customer.AccountNumber,
-                            PINCode = customer.PinCode
-                        };
-                        customerAccounts.Add(ca);
+                            var ca = new CustomerAccount
+                            {
+                                Name = customer.TenantName,
+                                CustomerId = customer.AccountNumber,
+                                QRCode = customer.AccountNumber,
+                                PINCode = customer.PinCode
+                            };
+                            customerAccounts.Add(ca);
+                        }
                     }
+                    CurrentCustomerAccount = customerAccounts[0];
+                    Log.Information("InitUsers thành công");
                 }
-                CurrentCustomerAccount = customerAccounts[0];
-            }
-            catch(Exception ex)
-            {
-                Log.Fatal(ex, "InitUsers: " + ex.Message);
-                if (DeviceStatus != null)
+                catch (Exception ex)
                 {
-                    DeviceStatus.Description = "Exception in InitUsers: " + ex.Message;
-                    APIModels.SendEvent(DeviceStatus);
+                    retryCount++;
+
+                    if (retryCount >= maxRetries)
+                    {
+                        Log.Fatal(ex, "InitUsers: " + ex.Message);
+                        if (DeviceStatus != null)
+                        {
+                            DeviceStatus.Description = "Exception in InitUsers: " + ex.Message;
+                            APIModels.SendEvent(DeviceStatus);
+                        }
+                        break;
+                    }
+                    // Wait for the next retry
+                    Thread.Sleep(delay);
                 }
             }
-           
-        }
-        private static void WaitSQLStart()
-        {
-            string serviceName = "MSSQLSERVER"; // Default SQL Server service name, change if necessary
-
-            // Create a ServiceController instance for the SQL Server service
-            ServiceController serviceController = new ServiceController(serviceName);
-
-            try
-            {
-                Log.Information("Checking the status of the SQL Server service...");
-
-                // Loop to wait until the service is running
-                while (serviceController.Status != ServiceControllerStatus.Running)
-                {
-                    //if (serviceController.Status == ServiceControllerStatus.Stopped)
-                    //{
-                    //    Log.Information("SQL Server service is stopped. Starting it...");
-                    //    serviceController.Start();
-                    //}
-
-                    // Refresh the controller to get the updated status
-                    serviceController.Refresh();
-
-                    Log.Information($"Current status: {serviceController.Status}");
-                    Thread.Sleep(5000); // Wait for 5 seconds before checking again
-                }
-
-                Log.Information("SQL Server service is running successfully.");
-            }
-            catch (InvalidOperationException ex)
-            {
-                Console.WriteLine($"Error: Could not access the service '{serviceName}'. {ex.Message}");
-            }
-            catch (Exception ex)
-            {
-                Console.WriteLine($"Error: {ex.Message}");
-            }
         }
-
         public static CDMSTATE? CDMSTATE = null;
         private static DateTime CutOffTime = new DateTime(1, 1, 1, 12, 0, 0); // 12:00 noon as cut-off time