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 b49d0bb..5cf04a3 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
@@ -1,6 +1,8 @@
 package org.jeecg.modules.database.service.impl;
 
 import cn.hutool.core.collection.CollUtil;
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.TypeReference;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.apache.commons.lang3.StringUtils;
@@ -73,10 +75,24 @@ public class ExperimentRadiationProcessServiceImpl extends ServiceImpl<Experimen
         }
         List<ExperimentRadiationProcess> radiationProcessList = getByExperimentId(experimentRadiationProcess.getExperimentId());
         if (CollUtil.isNotEmpty(radiationProcessList)) {
-            List<TimeRange> list = radiationProcessList.stream().map(v -> new TimeRange(v.getRadiationStartTime(), v.getRadiationEndTime()))
-                    .collect(Collectors.toList());
+            List<TimeRange> list =new ArrayList<>();
+            for (ExperimentRadiationProcess process : radiationProcessList) {
+                String radiationDetail = process.getRadiationDetail();
+                if (StringUtils.isNotBlank(radiationDetail)) {
+                    Map<String, List<Map<String, String>>> detailMap = JSONObject.parseObject(radiationDetail,
+                            new TypeReference<>() {});
+                    detailMap.forEach((key, value) -> value.forEach(v1 -> {
+                        String startTime = v1.get("startTime");
+                        String endTime = v1.get("endTime");
+                        list.add(new TimeRange(DateUtils.parseDatetime(startTime), DateUtils.parseDatetime(endTime)));
+                    }));
+                }
+            }
+            log.warn("TimeRange:" + list);
             Date earliestTime = DateUtils.findEarliestTime(list);
             Date latestTime = DateUtils.findLatestTime(list);
+            log.warn("earliestTime:" + earliestTime);
+            log.warn("latestTime:" + latestTime);
             List<ExperimentIrradiationBoard> irradiationBoardList = experimentIrradiationBoardService.getByExperimentId(
                     experimentRadiationProcess.getExperimentId());
             String mv = DateUtils.formatDate(earliestTime, "yyyy-MM-dd") + "至" + DateUtils.formatDate(latestTime, "yyyy-MM-dd");