diff --git a/framework/Furion/DatabaseAccessor/Repositories/Implantations/UpdateableRepository.cs b/framework/Furion/DatabaseAccessor/Repositories/Implantations/UpdateableRepository.cs
index 7c97559203ff4e3c7f1f00e5a6265ae60be86ed2..fd194a4f46e15f02e1177693b3b0e7ca04d746af 100644
--- a/framework/Furion/DatabaseAccessor/Repositories/Implantations/UpdateableRepository.cs
+++ b/framework/Furion/DatabaseAccessor/Repositories/Implantations/UpdateableRepository.cs
@@ -43,12 +43,16 @@ public partial class PrivateRepository<TEntity>
     /// <returns>代理中的实体</returns>
     public virtual EntityEntry<TEntity> Update(TEntity entity, bool? ignoreNullValues = null)
     {
-        var entityEntry = Entities.Update(entity);
-
-        // 忽略空值
-        IgnoreNullValues(ref entity, ignoreNullValues);
+        if (Entities.Local.All(e => e != entity))
+        {
+            Entities.Attach(entity);
+            var entityEntry = Entities.Update(entity);
+            // 忽略空值
+            IgnoreNullValues(ref entity, ignoreNullValues);
+            return entityEntry;
+        }
 
-        return entityEntry;
+        return Entities.Entry(entity);
     }
 
     /// <summary>