diff --git a/IRaCIS.Core.Application/Service/Institution/DTO/HospitalModel.cs b/IRaCIS.Core.Application/Service/Institution/DTO/HospitalModel.cs
index 32d933d97..3bf266668 100644
--- a/IRaCIS.Core.Application/Service/Institution/DTO/HospitalModel.cs
+++ b/IRaCIS.Core.Application/Service/Institution/DTO/HospitalModel.cs
@@ -23,6 +23,8 @@ namespace IRaCIS.Application.Contracts
         public string CountryCN { get; set; } = String.Empty;
         public string ProvinceCN { get; set; } = String.Empty;
         public string CityCN { get; set; } = String.Empty;
+
+        public Guid? SiteId { get; set; }
     }
 
     public class HospitalQueryDTO : PageInput
diff --git a/IRaCIS.Core.Application/Service/Institution/HospitalService.cs b/IRaCIS.Core.Application/Service/Institution/HospitalService.cs
index c05d5c156..393b5b571 100644
--- a/IRaCIS.Core.Application/Service/Institution/HospitalService.cs
+++ b/IRaCIS.Core.Application/Service/Institution/HospitalService.cs
@@ -2,6 +2,7 @@
 using IRaCIS.Application.Contracts;
 using IRaCIS.Core.Infra.EFCore;
 using Microsoft.AspNetCore.Mvc;
+using IRaCIS.Core.Infrastructure;
 
 namespace IRaCIS.Application.Services
 {
@@ -33,6 +34,11 @@ namespace IRaCIS.Application.Services
                 VerifyMsg = "已经存在同名的医院，请确认。"
             };
 
+            if (await _hospitalRepository.AnyAsync(x => x.SiteId == hospitalCommand.SiteId && hospitalCommand.SiteId != null))
+            {
+                throw new BusinessValidationFailedException("当前Site已经添加到其他Hospital了");
+            }
+
             var hospital = await _hospitalRepository.InsertOrUpdateAsync(hospitalCommand, true, exp);
         
             return ResponseOutput.Ok(hospital.Id.ToString());
diff --git a/IRaCIS.Core.Domain/Institution/Hospital.cs b/IRaCIS.Core.Domain/Institution/Hospital.cs
index 45c86356c..b0b93ad2e 100644
--- a/IRaCIS.Core.Domain/Institution/Hospital.cs
+++ b/IRaCIS.Core.Domain/Institution/Hospital.cs
@@ -26,6 +26,11 @@ namespace IRaCIS.Core.Domain.Models
         public DateTime UpdateTime { get; set; } = DateTime.Now;
         public Guid UpdateUserId { get; set; } = Guid.Empty;
 
+        /// <summary>
+        /// 中心Id
+        /// </summary>
+        public Guid? SiteId { get; set; } = Guid.Empty;
+
         [JsonIgnore]
         public List<Doctor> DoctorList { get; set; }
 
diff --git a/IRaCIS.Core.Domain/SQLFile/Test.sql b/IRaCIS.Core.Domain/SQLFile/Test.sql
index 94f92b59e..6e151b610 100644
--- a/IRaCIS.Core.Domain/SQLFile/Test.sql
+++ b/IRaCIS.Core.Domain/SQLFile/Test.sql
@@ -194,4 +194,14 @@ inner join ReadingMedicineQuestionAnswer on ReadingMedicineQuestionAnswer.TaskMe
 
 update  frontAuditConfig set  DictionaryCode =''   where Code='AuditState' and DictionaryCode='AuditState'
 
-----正式环境 修改TrialCode  错误的
\ No newline at end of file
+----正式环境 修改TrialCode  错误的
+
+
+
+
+
+----------------------------2023-1-09
+
+-- 修改Hospital 的SiteId
+update Hospital set Hospital.SiteId=Site.Id from Site 
+inner join Hospital on Hospital.HospitalName=Site.SiteName 
\ No newline at end of file