diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java
index bdcf9b7..d16480d 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java
@@ -124,6 +124,7 @@ public class ExperimentAnnealProcessServiceImpl extends ServiceImpl<ExperimentAn
         experiment.setExperimentId(newExperimentId);
         experiment.setAnnealStartTime(null);
         experiment.setAnnealEndTime(null);
+        experiment.setCreateTime(new Date());
         List<ExperimentSampleInfo> sampleInfoList = experimentSampleInfoService.getByExperimentId(newExperimentId);
         if (CollUtil.isNotEmpty(sampleInfoList)) {
             experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining()));
diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java
index 76c2f1e..aa79173 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java
@@ -114,6 +114,7 @@ public class ExperimentRadiationProcessServiceImpl extends ServiceImpl<Experimen
         experiment.setExperimentId(newExperimentId);
         experiment.setRadiationStartTime(null);
         experiment.setRadiationEndTime(null);
+        experiment.setCreateTime(new Date());
         String radiationDetail = experiment.getRadiationDetail();
         if (StringUtils.isNotBlank(radiationDetail)) {
             com.alibaba.fastjson2.JSONObject jsonObject = JSON.parseObject(radiationDetail);
diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentServiceImpl.java
index c796bb5..4ec8e7d 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentServiceImpl.java
@@ -131,6 +131,7 @@ public class ExperimentServiceImpl extends ServiceImpl<ExperimentMapper, Experim
         experiment.setStatus(ExperimentStatus.PRE_TEST);
         experiment.setStartDate(null);
         experiment.setEndDate(null);
+        experiment.setCreateTime(new Date());
         save(experiment);
         List<ExperimentSampleInfo> sampleInfoList = oldExperiment.getSampleInfoList();
         if (CollUtil.isNotEmpty(sampleInfoList)) {
diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java
index 79ceaab..c377262 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java
@@ -85,6 +85,7 @@ public class ExperimentTestProcessServiceImpl extends ServiceImpl<ExperimentTest
         experiment.setId(null);
         experiment.setTestStartTime(null);
         experiment.setTestEndTime(null);
+        experiment.setCreateTime(new Date());
         List<ExperimentSampleInfo> sampleInfoList = experimentSampleInfoService.getByExperimentId(newExperimentId);
         if (CollUtil.isNotEmpty(sampleInfoList)) {
             experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining()));