diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs b/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs
index a2063e631..97beb3856 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/OrganInfoViewModel.cs
@@ -84,7 +84,7 @@ namespace IRaCIS.Core.Application.ViewModel
     public class OrganInfoQuery
     {
         ///<summary> 类型名称</summary>
-        public string TypeName { get; set; }
+        public string? TypeName { get; set; }
 
         /// <summary>
         /// 类型枚举