diff --git a/DepartmentPortal/Common/ModuleTools/BusinessLogics/BusinessLogicCore.cs b/DepartmentPortal/Common/ModuleTools/BusinessLogics/BusinessLogicCore.cs
index 2869fd7..d8769e9 100644
--- a/DepartmentPortal/Common/ModuleTools/BusinessLogics/BusinessLogicCore.cs
+++ b/DepartmentPortal/Common/ModuleTools/BusinessLogics/BusinessLogicCore.cs
@@ -15,7 +15,7 @@ namespace ModuleTools.BusinessLogics
 	/// <typeparam name="S"></typeparam>
 	/// <typeparam name="L"></typeparam>
 	/// <typeparam name="E"></typeparam>
-	public abstract class BusinessLogicCore<G, S, L, E>
+	public class BusinessLogicCore<G, S, L, E>
 		where G : GetBindingModel
 		where S : SetBindingModel
 		where L : ListViewModel<E>