diff --git a/MP.SPEC/Components/ScratchPodlKit.razor.cs b/MP.SPEC/Components/ScratchPodlKit.razor.cs
index a9c7c38a..aadf1a85 100644
--- a/MP.SPEC/Components/ScratchPodlKit.razor.cs
+++ b/MP.SPEC/Components/ScratchPodlKit.razor.cs
@@ -237,7 +237,7 @@ namespace MP.SPEC.Components
                 if (_currPage != value)
                 {
                     _currPage = value;
-                    ReloadDataAsync();
+                    UpdateTable();
                 }
             }
         }
@@ -252,7 +252,7 @@ namespace MP.SPEC.Components
                 if (_numRecord != value)
                 {
                     _numRecord = value;
-                    ReloadDataAsync();
+                    UpdateTable();
                 }
             }
         }
diff --git a/MP.SPEC/Extensions/NavigationManagerExtension.cs b/MP.SPEC/Extensions/NavigationManagerExtension.cs
index 9383180a..29df1a58 100644
--- a/MP.SPEC/Extensions/NavigationManagerExtension.cs
+++ b/MP.SPEC/Extensions/NavigationManagerExtension.cs
@@ -16,7 +16,7 @@ namespace MP.SPEC.Extensions
         /// <param name="navManager"></param>
         /// <param name="key"></param>
         /// <returns></returns>
-        public static T ExtractQueryStringByKey<T>(this NavigationManager navManager, string key)
+        public static T? ExtractQueryStringByKey<T>(this NavigationManager navManager, string key)
         {
             var uri = navManager.ToAbsoluteUri(navManager.Uri);
             QueryHelpers.ParseQuery(uri.Query)