diff --git a/IRaCIS.Core.Domain/Dcotor/Doctor.cs b/IRaCIS.Core.Domain/Dcotor/Doctor.cs
index 961bebc07..f8903f8eb 100644
--- a/IRaCIS.Core.Domain/Dcotor/Doctor.cs
+++ b/IRaCIS.Core.Domain/Dcotor/Doctor.cs
@@ -71,7 +71,7 @@ public class Doctor : BaseFullAuditEntity
 
     public ContractorStatusEnum CooperateStatus { get; set; } = ContractorStatusEnum.Noncooperation;
 
-    public Guid DepartmentId { get; set; }
+    public Guid? DepartmentId { get; set; }
 
     [StringLength(400)]
     public string DepartmentOther { get; set; } = null!;
@@ -89,7 +89,7 @@ public class Doctor : BaseFullAuditEntity
 
     public Guid GCPId { get; set; }
 
-    public Guid HospitalId { get; set; }
+    public Guid? HospitalId { get; set; }
 
     public string HospitalOther { get; set; } = null!;
 
@@ -139,7 +139,7 @@ public class Doctor : BaseFullAuditEntity
     [StringLength(400)]
     public string PositionOtherCN { get; set; } = null!;
 
-    public Guid RankId { get; set; }
+    public Guid? RankId { get; set; }
 
     [StringLength(400)]
     public string RankOther { get; set; } = null!;
@@ -165,7 +165,7 @@ public class Doctor : BaseFullAuditEntity
 
     public int Sex { get; set; }
 
-    public Guid SpecialityId { get; set; }
+    public Guid? SpecialityId { get; set; }
 
     [StringLength(400)]
     public string SpecialityOther { get; set; } = null!;