diff --git a/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Extensions/LongExtensions.cs b/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Extensions/LongExtensions.cs
deleted file mode 100644
index 408f6a63..00000000
--- a/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Extensions/LongExtensions.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-namespace BootstrapAdmin.DataAccess.PetaPoco.Extensions;
-
-/// <summary>
-/// 
-/// </summary>
-public static class LongExtensions
-{
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <param name="source"></param>
-    /// <returns></returns>
-    public static int ToInt32(this long source)
-    {
-        int ret;
-        _ = int.TryParse(source.ToString(), out ret);
-        return ret;
-    }
-}
diff --git a/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/DefaultDataService.cs b/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/DefaultDataService.cs
index eb7288a0..8c90fa9f 100644
--- a/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/DefaultDataService.cs
+++ b/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/DefaultDataService.cs
@@ -3,7 +3,6 @@
 // Website: https://www.blazor.zone or https://argozhang.github.io/
 
 using BootstrapAdmin.DataAccess.Models;
-using BootstrapAdmin.DataAccess.PetaPoco.Extensions;
 using BootstrapAdmin.Web.Core;
 using BootstrapAdmin.Web.Extensions;
 using BootstrapBlazor.Components;
@@ -84,7 +83,7 @@ class DefaultDataService<TModel> : DataServiceBase<TModel> where TModel : class,
         {
             var items = await Database.PageAsync<TModel>(option);
 
-            ret.TotalCount = items.TotalItems.ToInt32();
+            ret.TotalCount = Convert.ToInt32(items.TotalItems);
             ret.Items = items.Items;
         }
         else
diff --git a/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/ExceptionService.cs b/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/ExceptionService.cs
index f4bcf935..3aabff26 100644
--- a/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/ExceptionService.cs
+++ b/src/blazor/admin/BootstrapAdmin.DataAccess.PetaPoco/Services/ExceptionService.cs
@@ -1,5 +1,4 @@
 using BootstrapAdmin.DataAccess.Models;
-using BootstrapAdmin.DataAccess.PetaPoco.Extensions;
 using BootstrapAdmin.Web.Core;
 using PetaPoco;
 
@@ -55,6 +54,6 @@ class ExceptionService : BaseDatabase, IException
         }
 
         var data = Database.Page<Error>(pageIndex, pageItems, sql);
-        return (data.Items, data.TotalItems.ToInt32());
+        return (data.Items, Convert.ToInt32(data.TotalItems));
     }
 }