diff --git a/Mango.Nop.Core/Dtos/MgOrderDto.cs b/Mango.Nop.Core/Dtos/MgOrderDto.cs
index dec7292..3a5dd4a 100644
--- a/Mango.Nop.Core/Dtos/MgOrderDto.cs
+++ b/Mango.Nop.Core/Dtos/MgOrderDto.cs
@@ -1,4 +1,5 @@
 using AyCode.Core.Extensions;
+using AyCode.Core.Helpers;
 using LinqToDB.Mapping;
 using Mango.Nop.Core.Entities;
 using Mango.Nop.Core.Interfaces;
diff --git a/Mango.Nop.Core/Dtos/MgOrderItemDto.cs b/Mango.Nop.Core/Dtos/MgOrderItemDto.cs
index 327209f..c22a64c 100644
--- a/Mango.Nop.Core/Dtos/MgOrderItemDto.cs
+++ b/Mango.Nop.Core/Dtos/MgOrderItemDto.cs
@@ -1,4 +1,5 @@
 using AyCode.Core.Extensions;
+using AyCode.Core.Helpers;
 using LinqToDB.Mapping;
 using Mango.Nop.Core.Entities;
 using Mango.Nop.Core.Interfaces;