diff --git a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
index f82748440..4d0d46e97 100644
--- a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
+++ b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
@@ -1489,7 +1489,16 @@ namespace IRaCIS.Core.Application.Contracts
         [HttpPost]
         public async Task<IResponseOutput> GetSiteSurveyEquipmentList(SiteSurveyEquipmentQuery inQuery)
         {
+
+            //找到该中心最新的调研记录
+            var groupSelectIdQuery =
+                _trialSiteSurveyRepository.Where(t => t.TrialId == inQuery.TrialId)
+                    .WhereIf(inQuery.TrialSiteId != null, t => t.TrialSiteId == inQuery.TrialSiteId)
+                    .GroupBy(t => t.TrialSiteId)
+                    .Select(g => g.OrderByDescending(u => u.CreateTime).Select(t => t.Id).First());
+
             var pageList = await _trialSiteEquipmentSurveyRepository.Where(t => t.TrialSiteSurvey.TrialId == inQuery.TrialId).IgnoreQueryFilters()
+                .Where(t => groupSelectIdQuery.Contains(t.TrialSiteSurveyId))
                 .WhereIf(inQuery.IsDeleted != null, t => t.TrialSiteSurvey.IsDeleted == inQuery.IsDeleted)
                 .WhereIf(inQuery.State != null, t => t.TrialSiteSurvey.State == inQuery.State)
                 .WhereIf(inQuery.TrialSiteId != null, t => t.TrialSiteSurvey.TrialSiteId == inQuery.TrialSiteId)
@@ -1513,7 +1522,16 @@ namespace IRaCIS.Core.Application.Contracts
         [HttpPost]
         public async Task<IResponseOutput> GetSiteSurveyInfoList(SiteSurveyInfoQuery inQuery)
         {
+
+            //找到该中心最新的调研记录
+            var groupSelectIdQuery =
+                _trialSiteSurveyRepository.Where(t => t.TrialId == inQuery.TrialId)
+                    .WhereIf(inQuery.TrialSiteId != null, t => t.TrialSiteId == inQuery.TrialSiteId)
+                    .GroupBy(t => t.TrialSiteId)
+                    .Select(g => g.OrderByDescending(u => u.CreateTime).Select(t => t.Id).First());
+
             var pageList = await _trialSiteSurveyRepository.Where(t => t.TrialId == inQuery.TrialId).IgnoreQueryFilters()
+                .Where(t => groupSelectIdQuery.Contains(t.Id))
                 .WhereIf(inQuery.IsDeleted != null, t => t.IsDeleted == inQuery.IsDeleted)
                 .WhereIf(inQuery.State != null, t => t.State == inQuery.State)
                 .WhereIf(inQuery.TrialSiteId != null, t => t.TrialSiteId == inQuery.TrialSiteId)