diff --git a/IRaCIS.Core.Application/Service/Institution/DTO/SiteModel.cs b/IRaCIS.Core.Application/Service/Institution/DTO/SiteModel.cs
index 794f4efa5..2700f5141 100644
--- a/IRaCIS.Core.Application/Service/Institution/DTO/SiteModel.cs
+++ b/IRaCIS.Core.Application/Service/Institution/DTO/SiteModel.cs
@@ -29,6 +29,8 @@ namespace IRaCIS.Application.Contracts
         public string DirectorPhone { get; set; } = string.Empty;
         public string ContactName { get; set; } = string.Empty;
         public string ContactPhone { get; set; } = string.Empty;
+
+        public Guid? TrialSiteId { get; set; }
     }
 
     public class SiteSelectionDTO
@@ -44,6 +46,17 @@ namespace IRaCIS.Application.Contracts
         public string Country { get; set; } = String.Empty;
     }
 
+
+    public class TrialSiteAddView 
+    {
+        public Guid TrialSiteId { get; set; }
+        public string TrialCode { get; set; }
+
+        public string TrialSiteName { get; set; }
+
+        public string TrialSiteAliasName { get; set; } = String.Empty;
+    }
+
     public class SiteSelectDTO : SiteDTO
     {
         public string HospitalName { get; set; } = String.Empty;
diff --git a/IRaCIS.Core.Application/Service/Institution/SiteService.cs b/IRaCIS.Core.Application/Service/Institution/SiteService.cs
index f8cce2a48..32df16d12 100644
--- a/IRaCIS.Core.Application/Service/Institution/SiteService.cs
+++ b/IRaCIS.Core.Application/Service/Institution/SiteService.cs
@@ -5,6 +5,8 @@ using Microsoft.AspNetCore.Mvc;
 using IRaCIS.Core.Domain.Share;
 using Medallion.Threading;
 using IRaCIS.Core.Domain.Models;
+using System.Security.Policy;
+using Site = IRaCIS.Core.Domain.Models.Site;
 
 namespace IRaCIS.Application.Services
 {
@@ -21,7 +23,7 @@ namespace IRaCIS.Application.Services
             _siteRepository = siteRepository;
             _trialSiteUserRepository = trialSiteUserRepository;
             _distributedLockProvider = distributedLockProvider;
-            _hospitalRepository= hospitalRepository;
+            _hospitalRepository = hospitalRepository;
         }
 
         /// <summary> 分页获取研究中心列表 </summary>
@@ -35,7 +37,7 @@ namespace IRaCIS.Application.Services
                    .WhereIf(!string.IsNullOrWhiteSpace(searchModel.City), t => t.City.Contains(searchModel.City))
                    .WhereIf(!string.IsNullOrWhiteSpace(searchModel.Country), t => t.Country.Contains(searchModel.Country))
                    .WhereIf(!string.IsNullOrWhiteSpace(searchModel.Province), t => t.Province.Contains(searchModel.Province))
-                   .ProjectTo<SiteSelectDTO>(_mapper.ConfigurationProvider, new {  isEn_Us = _userInfo.IsEn_Us });
+                   .ProjectTo<SiteSelectDTO>(_mapper.ConfigurationProvider, new { isEn_Us = _userInfo.IsEn_Us });
 
 
             return await siteQueryable.ToPagedListAsync(searchModel.PageIndex, searchModel.PageSize, string.IsNullOrWhiteSpace(searchModel.SortField) ? "SiteName" : searchModel.SortField, searchModel.Asc);
@@ -49,6 +51,17 @@ namespace IRaCIS.Application.Services
         }
 
 
+        public async Task<List<TrialSiteAddView>> GetTrialSiteList()
+        {
+            return _repository.Where<TrialSite>(t => t.SiteId == null).Select(t => new TrialSiteAddView()
+            {
+                TrialCode = t.Trial.TrialCode,
+                TrialSiteAliasName = t.TrialSiteAliasName,
+                TrialSiteId = t.Id,
+                TrialSiteName = t.TrialSiteName
+            }).ToList();
+        }
+
         /// <summary> 添加研究中心 </summary>
 
         public async Task<IResponseOutput> AddOrUpdateSite(SiteCommand siteCommand)
@@ -56,7 +69,7 @@ namespace IRaCIS.Application.Services
 
             var exp = new EntityVerifyExp<Site>()
             {
-                VerifyExp = h => h.SiteName.Equals(siteCommand.SiteName) || h.SiteCode.Equals(siteCommand.SiteCode),
+                VerifyExp = h => h.SiteName.Equals(siteCommand.SiteName) || h.SiteNameCN.Equals(siteCommand.SiteNameCN),
                 //---已经存在同名的中心，请确认。
                 VerifyMsg = _localizer["Site_DupName"]
             };
@@ -82,15 +95,22 @@ namespace IRaCIS.Application.Services
                 }
 
                 //手动绑
-                if(siteCommand.HospitalId != null)
+                if (siteCommand.HospitalId != null)
                 {
                     await _hospitalRepository.BatchUpdateNoTrackingAsync(t => t.Id == siteCommand.HospitalId, u => new Hospital() { SiteId = site.Id });
                 }
 
+                if (siteCommand.TrialSiteId != null)
+                {
+                    await _repository.BatchUpdateAsync<TrialSite>(t => t.Id == siteCommand.TrialSiteId, u => new TrialSite() { SiteId = site.Id });
+                }
+
                 return ResponseOutput.Ok(site.Id.ToString());
 
             }
 
+
+
         }
 
         /// <summary> 删除研究中心 </summary>
diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs
index 7006e529e..ec296769e 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs
@@ -19,7 +19,6 @@ namespace IRaCIS.Core.Application.Contracts.DTO
 
         public string UserKeyInfo { get; set; } = String.Empty;
 
-
     }
 
     public class SiteCRCExportQueryDTO