diff --git a/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/OrganizationUnitEto.cs b/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/OrganizationUnitEto.cs
index ef49ac60bdb..b111118b514 100644
--- a/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/OrganizationUnitEto.cs
+++ b/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/OrganizationUnitEto.cs
@@ -10,6 +10,8 @@ public class OrganizationUnitEto : IMultiTenant, IHasEntityVersion
     public Guid Id { get; set; }
 
     public Guid? TenantId { get; set; }
+    
+    public virtual Guid? ParentId { get; set; }
 
     public string Code { get; set; }