diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs
index d452e4982..5be729ac4 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/DTO/TrialSiteViewModel.cs
@@ -113,6 +113,14 @@ namespace IRaCIS.Core.Application.Contracts.DTO
 
     }
 
+    public class TrialSiteSelect
+    {
+        public Guid SiteId { get; set; }
+        public string SiteName { get; set; } = String.Empty;
+
+        public string AliasName { get; set; } = string.Empty;
+    }
+
     public class TrialSiteScreeningDTO
     {
         public Guid Id { get; set; }
diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
index b4d850ae4..ba6f9c7ed 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
@@ -9,6 +9,7 @@ using IRaCIS.Core.Application.Service;
 using Microsoft.AspNetCore.Authorization;
 using IRaCIS.Core.Application.Auth;
 using IRaCIS.Application.Interfaces;
+using System.Linq;
 
 namespace IRaCIS.Core.Application.Services
 {
@@ -110,6 +111,15 @@ namespace IRaCIS.Core.Application.Services
         }
 
 
+        public async Task<List<TrialSiteSelect>> GetTrialSiteSelectList(string siteName)
+        {
+           var list= _siteRepository
+                .WhereIf(!string.IsNullOrWhiteSpace(siteName), t => t.SiteName.Contains(siteName) || t.SiteNameCN.Contains(siteName) || t.AliasName.Contains(siteName))
+                .Select(t => new TrialSiteSelect() { SiteId = t.Id, SiteName = t.SiteName, AliasName = t.AliasName }).ToList();
+
+            return list;
+        }
+
 
 
         /// <summary>Setting页面   Site批量添加</summary>