diff --git a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
index 3e680e5a2..ffa1e5876 100644
--- a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
+++ b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
@@ -331,9 +331,13 @@ namespace IRaCIS.Core.Application.Contracts
                 copy.TrialSiteEquipmentSurveyList = currentLatest.TrialSiteEquipmentSurveyList.Clone();
                 copy.TrialSiteEquipmentSurveyList.ForEach(t => { t.Id = Guid.Empty; t.CreateTime = DateTime.Now; });
 
-                copy.TrialSiteUserSurveyList = currentLatest.TrialSiteUserSurveyList.Clone().Where(t => t.IsHistoryUser == false).ToList();
-                copy.TrialSiteUserSurveyList.ForEach(t => { t.Id = Guid.Empty; t.IsGenerateSuccess = false; t.CreateTime = DateTime.Now; });
-
+                //锁定了的话，就不拷贝
+                if(currentLatest.State!= TrialSiteSurveyEnum.PMCreatedAndLock)
+                {
+                    copy.TrialSiteUserSurveyList = currentLatest.TrialSiteUserSurveyList.Clone().Where(t => t.IsHistoryUser == false).ToList();
+                    copy.TrialSiteUserSurveyList.ForEach(t => { t.Id = Guid.Empty; t.IsGenerateSuccess = false; t.CreateTime = DateTime.Now; });
+                }
+                
                 //从项目site 中找到已存在的 加到历史人员中