diff --git a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
index a66d01873..ca8c375f3 100644
--- a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
+++ b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
@@ -708,6 +708,7 @@ namespace IRaCIS.Core.Application.Contracts
                     //更新调研表日志
 
                     var info = await GetSiteSurveyInfo(currentLatest.Id, currentLatest.TrialId);
+                    copy.TrialSiteEquipmentSurveyList.ForEach(t => { t.Id = Guid.Empty; });
                     copy.SiteSurveyLogList.Add(new SiteSurveyLog() { Name = userInfo.ReplaceUserEmailOrPhone, OptType = SiteSurveyOptTyp.Update, OriginTrialSiteSurveyId = currentLatest.Id, Json = info.ToJsonStr() });
                 }