diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/controller/ExperimentController.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/controller/ExperimentController.java
index bbde7e2..ce01a8a 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/controller/ExperimentController.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/controller/ExperimentController.java
@@ -464,28 +464,30 @@ public class ExperimentController extends JeecgController<Experiment, IExperimen
                     List<ExperimentSampleInfo> sampleInfoList = v.getSampleInfoList();
                     List<ExperimentDeviationEquipment> deviationEquipmentList = v.getDeviationEquipmentList();
                     List<ExperimentDeviationCondition> deviationConditionList = v.getDeviationConditionList();
-                    for (int j = 0; j < sampleInfoList.size(); j++) {
-                        ExperimentSampleInfo sampleInfo = sampleInfoList.get(j);
-                        AnnealProcessExportDTO annealProcessExportDTO = new AnnealProcessExportDTO();
+                    if (CollUtil.isNotEmpty(sampleInfoList)) {
+                        for (int j = 0; j < sampleInfoList.size(); j++) {
+                            ExperimentSampleInfo sampleInfo = sampleInfoList.get(j);
+                            AnnealProcessExportDTO annealProcessExportDTO = new AnnealProcessExportDTO();
 
-                        if (CollUtil.isNotEmpty(deviationConditionList) && deviationConditionList.size() > j && ObjUtil.isNotNull(
-                                deviationConditionList.get(j))
-                        ) {
-                            BeanUtil.copyProperties(deviationConditionList.get(j), annealProcessExportDTO);
-                        }
-                        if (CollUtil.isNotEmpty(deviationEquipmentList) && deviationEquipmentList.size() > j && ObjUtil.isNotNull(
-                                deviationEquipmentList.get(j))
-                        ) {
-                            BeanUtil.copyProperties(deviationEquipmentList.get(j), annealProcessExportDTO);
-                        }
+                            if (CollUtil.isNotEmpty(deviationConditionList) && deviationConditionList.size() > j && ObjUtil.isNotNull(
+                                    deviationConditionList.get(j))
+                            ) {
+                                BeanUtil.copyProperties(deviationConditionList.get(j), annealProcessExportDTO);
+                            }
+                            if (CollUtil.isNotEmpty(deviationEquipmentList) && deviationEquipmentList.size() > j && ObjUtil.isNotNull(
+                                    deviationEquipmentList.get(j))
+                            ) {
+                                BeanUtil.copyProperties(deviationEquipmentList.get(j), annealProcessExportDTO);
+                            }
 
-                        annealProcessExportDTO.setSampleName(sampleInfo.getSampleName());
-                        annealProcessExportDTO.setSampleModel(sampleInfo.getSampleModel());
-                        annealProcessExportDTO.setSampleType(sampleInfo.getSampleType());
-                        annealProcessExportDTO.setAnnealTemperature(v.getAnnealTemperature());
-                        annealProcessExportDTO.setAnnealStartTime(DateUtils.formatDate(v.getAnnealStartTime(), "yyyy-MM-dd HH:mm"));
-                        annealProcessExportDTO.setAnnealEndTime(DateUtils.formatDate(v.getAnnealEndTime(), "yyyy-MM-dd HH:mm"));
-                        annealProcessList.add(annealProcessExportDTO);
+                            annealProcessExportDTO.setSampleName(sampleInfo.getSampleName());
+                            annealProcessExportDTO.setSampleModel(sampleInfo.getSampleModel());
+                            annealProcessExportDTO.setSampleType(sampleInfo.getSampleType());
+                            annealProcessExportDTO.setAnnealTemperature(v.getAnnealTemperature());
+                            annealProcessExportDTO.setAnnealStartTime(DateUtils.formatDate(v.getAnnealStartTime(), "yyyy-MM-dd HH:mm"));
+                            annealProcessExportDTO.setAnnealEndTime(DateUtils.formatDate(v.getAnnealEndTime(), "yyyy-MM-dd HH:mm"));
+                            annealProcessList.add(annealProcessExportDTO);
+                        }
                     }
                 });
             }