diff --git a/AyCode.Entities/AcModelDtoExtension.cs b/AyCode.Entities/AcModelDtoExtension.cs
index 72932ee..8346e6c 100644
--- a/AyCode.Entities/AcModelDtoExtension.cs
+++ b/AyCode.Entities/AcModelDtoExtension.cs
@@ -5,9 +5,9 @@ namespace AyCode.Entities;
 
 public static class AcModelDtoExtension
 {
-    public static TModelDto? ToModelDto<TModelDto, TEntity>(this TEntity entity) where TModelDto : class, IAcModelDtoBase where TEntity : class, IEntity
+    public static TModelDto? ToModelDto<TModelDto, TEntity>(this TEntity entity) where TModelDto : class, IAcModelDtoBaseEmpty where TEntity : class, IEntity
         => Activator.CreateInstance(typeof(TModelDto), entity) as TModelDto;
     
-    public static IEnumerable<TModelDto> ToModelDto<TModelDto, TEntity>(this IEnumerable<TEntity> entities) where TModelDto : class, IAcModelDtoBase where TEntity : class, IEntity
+    public static IEnumerable<TModelDto> ToModelDto<TModelDto, TEntity>(this IEnumerable<TEntity> entities) where TModelDto : class, IAcModelDtoBaseEmpty where TEntity : class, IEntity
         => entities.Select(entity => entity.ToModelDto<TModelDto, TEntity>())!;
 }
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