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 d5d0e32..04e3762 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
@@ -93,6 +93,8 @@ public class ExperimentRadiationProcessServiceImpl extends ServiceImpl<Experimen
             }
             Date earliestTime = DateUtils.findEarliestTime(list);
             Date latestTime = DateUtils.findLatestTime(list);
+            experimentRadiationProcess.setRadiationStartTime(earliestTime);
+            experimentRadiationProcess.setRadiationEndTime(latestTime);
             List<ExperimentIrradiationBoard> irradiationBoardList = experimentIrradiationBoardService.getByExperimentId(
                     experimentRadiationProcess.getExperimentId());
             String mv = DateUtils.formatDate(earliestTime, "yyyy-MM-dd") + "至" + DateUtils.formatDate(latestTime, "yyyy-MM-dd");