diff --git a/BMA.EHR.Leave/Services/NotificationService.cs b/BMA.EHR.Leave/Services/NotificationService.cs
index 3ada008e..7ea4837c 100644
--- a/BMA.EHR.Leave/Services/NotificationService.cs
+++ b/BMA.EHR.Leave/Services/NotificationService.cs
@@ -11,15 +11,22 @@ public class NotificationService
     private readonly ILogger<NotificationService> _logger;
     private readonly IConfiguration _configuration;
 
-    private const string NotifyEndpoint = "https://hrmsbkk.case-collection.com/api/v1/org/through-socket/notify-from-token";
+    private string _notifyEndpoint;
 
     public NotificationService(IHttpClientFactory httpClientFactory, ILogger<NotificationService> logger, IConfiguration configuration)
     {
         _httpClientFactory = httpClientFactory;
         _logger = logger;
         _configuration = configuration;
+        _notifyEndpoint = $"{_configuration["API"]}/org/through-socket/notify-from-token";
     }
 
+    /// <summary>
+    /// SendNotificationAsync
+    /// </summary>
+    /// <param name="token"></param>
+    /// <param name="error"></param>
+    /// <param name="message"></param>
     public async Task SendNotificationAsync(string? token, bool error, string message)
     {
         if (string.IsNullOrEmpty(token))
@@ -42,7 +49,7 @@ public class NotificationService
             var json = JsonConvert.SerializeObject(payload);
             var content = new StringContent(json, Encoding.UTF8, "application/json");
 
-            var response = await client.PostAsync(NotifyEndpoint, content);
+            var response = await client.PostAsync(_notifyEndpoint, content);
 
             if (!response.IsSuccessStatusCode)
             {