diff --git a/IRaCIS.Core.Application/Service/Doctor/DTO/DoctorModel.cs b/IRaCIS.Core.Application/Service/Doctor/DTO/DoctorModel.cs
index d1bb78ff6..db2b983f8 100644
--- a/IRaCIS.Core.Application/Service/Doctor/DTO/DoctorModel.cs
+++ b/IRaCIS.Core.Application/Service/Doctor/DTO/DoctorModel.cs
@@ -59,7 +59,7 @@ namespace IRaCIS.Application.Contracts
         public string DepartmentOtherCN { get; set; } = String.Empty;
 
         //增加的
-        public Guid? SpecialityId { get; set; } = Guid.Empty;
+        public Guid? SpecialityId { get; set; }
         public string SpecialityOther { get; set; } = string.Empty;
         public string SpecialityOtherCN { get; set; } = string.Empty;
         public string Speciality { get; set; } = string.Empty;
@@ -209,7 +209,7 @@ namespace IRaCIS.Application.Contracts
         public string BlindName { get; set; }
         public string BlindNameCN { get; set; } = string.Empty;
 
-        public Guid? SpecialityId { get; set; } = Guid.Empty;
+        public Guid? SpecialityId { get; set; }
 
         public string SpecialityCN { get; set; } = string.Empty;
         public string Speciality { get; set; } = string.Empty;
@@ -388,19 +388,19 @@ namespace IRaCIS.Application.Contracts
     public class BasicInfoAndEmploymentDto: DoctorBasicInfoCommand
     {
         //部门
-        public Guid? DepartmentId { get; set; } = Guid.Empty;
+        public Guid? DepartmentId { get; set; }
         public string DepartmentOther { get; set; } = string.Empty;
         public string DepartmentOtherCN { get; set; } = string.Empty;
         //职称
-        public Guid? RankId { get; set; } = Guid.Empty;
+        public Guid? RankId { get; set; }
         public string RankOther { get; set; } = string.Empty;
         public string RankOtherCN { get; set; } = string.Empty;
         //职位  主席 副主席
-        public Guid? PositionId { get; set; } = Guid.Empty;
+        public Guid? PositionId { get; set; }
         public string PositionOther { get; set; } = string.Empty;
         public string PositionOtherCN { get; set; } = string.Empty;
 
-        public Guid? HospitalId { get; set; } = Guid.Empty;
+        public Guid? HospitalId { get; set; } 
 
         public Guid? PhysicianId { get; set; }
         public string Physician { get; set; } = string.Empty;
@@ -580,19 +580,19 @@ namespace IRaCIS.Application.Contracts
     {
         public Guid Id { get; set; }
         //部门
-        public Guid? DepartmentId { get; set; } = Guid.Empty;
+        public Guid? DepartmentId { get; set; }
         public string DepartmentOther { get; set; } = string.Empty;
         public string DepartmentOtherCN { get; set; } = string.Empty;
         //职称
-        public Guid? RankId { get; set; } = Guid.Empty;
+        public Guid? RankId { get; set; } = null;
         public string RankOther { get; set; } = string.Empty;
         public string RankOtherCN { get; set; } = string.Empty;
         //职位  主席 副主席
-        public Guid? PositionId { get; set; } = Guid.Empty;
+        public Guid? PositionId { get; set; } 
         public string PositionOther { get; set; } = string.Empty;
         public string PositionOtherCN { get; set; } = string.Empty;
 
-        public Guid? HospitalId { get; set; } = Guid.Empty;
+        public Guid? HospitalId { get; set; }
 
         public Guid? PhysicianId { get; set; }
         public string Physician { get; set; } = string.Empty;
@@ -735,7 +735,7 @@ namespace IRaCIS.Application.Contracts
         public string SubspecialityOther { get; set; } = string.Empty;
         public string SubspecialityOtherCN { get; set; } = string.Empty;
 
-        public Guid? SpecialityId { get; set; } = Guid.Empty;
+        public Guid? SpecialityId { get; set; }
         public string SpecialityCN { get; set; } = string.Empty;
         public string SpecialityOther { get; set; } = string.Empty;
         public string SpecialityOtherCN { get; set; } = string.Empty;