bug fix

examcloud-core-oe-admin-service/src/main/java/cn/com/qmth/examcloud/core/oe/admin/service/bean/examrecord/ExamRecordEntityConvert.java

@@ -157,9 +157,6 @@ public class ExamRecordEntityConvert {
 
     
     public List<ExamRecordInfo> of(List<ExamRecordDataEntity> entities) {
-        if (entities==null || entities.isEmpty()){
-            return new ArrayList<ExamRecordInfo>();
-        }
     	//缓存
         Map<String,Object> cahcheMap = new HashMap<String, Object>();
         List<ExamRecordInfo> list = entities.stream().map(entity -> of(entity,cahcheMap)).collect(Collectors.toList());

examcloud-core-oe-admin-service/src/main/java/cn/com/qmth/examcloud/core/oe/admin/service/impl/ExamRecordServiceImpl.java

@@ -544,7 +544,7 @@ public class ExamRecordServiceImpl implements ExamRecordService {
 
     private List<ExamRecordInfo> loadExamRecordDetailData(List<ExamRecordInfo> list, Long examId) {
         if (list == null || list.size() == 0) {
-            return null;
+            return new ArrayList<ExamRecordInfo>();
         }
         //缓存
         Map<String, Object> cahcheMap = new HashMap<String, Object>();