修改获取事故卡片列表代码

tuoheng-service/tuoheng-admin/src/main/java/com/tuoheng/admin/service/accident/query/QueryAccidentCardListService.java

 package com.tuoheng.admin.service.accident.query;
 
+import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.util.ObjectUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.tuoheng.admin.conver.AccidentConverMapper;
      * @return
      */
     private Map<String, String> getDeptMap(List<Accident> accidentList) {
+        if (CollectionUtil.isEmpty(accidentList)) {
+            return null;
+        }
         List<String> deptIdList = accidentList.stream().map(o -> o.getDeptId()).collect(Collectors.toList());
         List<Dept> deptList = deptMapper.selectListByIdList(deptIdList);
         Map<String, String> deptNameMap = deptList.stream().collect(HashMap::new, (m, v) -> m.put(v.getId(), v.getName()), HashMap::putAll);
     }
 
     private Map<String, InspectionFile> getInspectionFileMap(List<Accident> accidentList) {
+        if (CollectionUtil.isEmpty(accidentList)) {
+            return null;
+        }
         List<String> inspectionFileIdList = accidentList.stream().map(o -> o.getInspectionFileId()).collect(Collectors.toList());
         List<InspectionFile> inspectionFileList = inspectionFileMapper.selectList(new LambdaQueryWrapper<InspectionFile>()
                 .in(InspectionFile::getId, inspectionFileIdList)