diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
index 660497ac0..c04dadc46 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
@@ -331,6 +331,24 @@ namespace IRaCIS.Core.Application.Services
             return list;
         }
 
+        /// <summary>
+        ///   获取项目下的 site 下拉框数据    CRC只看到他负责的    
+        /// </summary>
+        /// <param name="trialId"></param>
+        /// <returns></returns>
+        [HttpGet("{trialId:guid}")]
+        public async Task<IEnumerable<TrialSiteForSelect>> GetTrialSiteSelectForSiteSurvey(Guid trialId)
+        {
+            //CRC只看到他负责的    
+
+            var list = await _trialSiteRepository.Where(t => t.TrialId == trialId).IgnoreQueryFilters()
+                          .WhereIf(_userInfo.UserTypeEnumInt == (int)UserTypeEnum.ClinicalResearchCoordinator || _userInfo.UserTypeEnumInt == (int)UserTypeEnum.CRA, t => t.CRCUserList.Any(t => t.UserId == _userInfo.Id))
+                          .ProjectTo<TrialSiteForSelect>(_mapper.ConfigurationProvider).OrderBy(t => t.TrialSiteCode).ToListAsync();
+
+
+            return list;
+        }
+
 
         public async Task<IEnumerable<string>> GetTrialSiteCodeSelect(Guid trialId, bool isIncludeVirtualSite = true)
         {