diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs b/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs
index 00a6364c6..a2063e631 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs
@@ -64,20 +64,20 @@ namespace IRaCIS.Core.Application.ViewModel
     public class GetTrialOrganListOutDto
     {
         public Guid Id { get; set; }
-        public string Part { get; set; }
-        public string TULOC { get; set; }
-        public string TULAT { get; set; }
-        public string TypeName { get; set; }
+        public string? Part { get; set; }
+        public string? TULOC { get; set; }
+        public string? TULAT { get; set; }
+        public string? TypeName { get; set; }
 
         /// <summary>
 		/// 类型枚举
 		/// </summary>
-		public OrganType OrganType { get; set; }
+		public OrganType? OrganType { get; set; }
 
         /// <summary>
 		/// 备注
 		/// </summary>
-		public string Remark { get; set; }
+		public string? Remark { get; set; }
     }
 
     ///<summary>OrganInfoQuery  列表查询参数模型</summary>