diff --git a/DI/XDIHelperExtension.cs b/DI/XDIHelperExtension.cs
index 627befe..c486407 100644
--- a/DI/XDIHelperExtension.cs
+++ b/DI/XDIHelperExtension.cs
@@ -14,7 +14,7 @@ namespace xWebinarService.DI
     public static class XDIHelperExtension
     {
         /// <summary>
-        /// Register Module Provided Service on DI
+        /// Register Service ...
         /// </summary>
         /// <param name="services"></param>
         /// <param name="config"></param>
@@ -33,7 +33,7 @@ namespace xWebinarService.DI
         //
         #region Private ...
         /// <summary>
-        /// a LogTag for XWebinarService ...
+        /// a LogTag for Service ...
         /// </summary>
         private static string XLogTag = "XWebinarService";
 
@@ -47,7 +47,7 @@ namespace xWebinarService.DI
         }
 
         /// <summary>
-        /// Register Push Service ...
+        /// Register Service ...
         /// </summary>
         /// <param name="services"></param>
         /// <param name="lifeTime"></param>
@@ -80,16 +80,26 @@ namespace xWebinarService.DI
             }
 
             //
-            // Check String Repository Exists ...
-            var isWebinarRepositoryExists = !services
-                .GetRegisteredService<IXWebinarRepository>()
-                .IsNull() &&
-                !services.GetRegisteredService<IXWebinarSubscriberRepository>()
+            // Check Dependencies Exists ...
+            var isDependenciesPassed = !services
+                .GetRegisteredService<IXWebinarSubscriberRepository>()
                 .IsNull();
-            if (!isWebinarRepositoryExists)
+            if (!isDependenciesPassed)
             {
                 //
-                Log("AddWebinarService failed, IXWebinarRepository or IXWebinarSubscriberRepository not provided ...");
+                Log("AddFileService failed due Dependencies Issues, IXWebinarSubscriberRepository not provided ...");
+                throw exception;
+            }
+
+            //
+            // Check Repository Exists ...
+            var isRepositoryExists = !services
+                .GetRegisteredService<IXWebinarRepository>()
+                .IsNull();
+            if (!isRepositoryExists)
+            {
+                //
+                Log("AddWebinarService failed, IXWebinarRepository not provided ...");
                 throw exception;
             }
 
@@ -111,6 +121,5 @@ namespace xWebinarService.DI
             Log("AddWebinarService Succeed ...");
         }
         #endregion
-
     }
 }
\ No newline at end of file