fix

examcloud-core-oe-admin-api-provider/src/main/java/cn/com/qmth/examcloud/core/oe/admin/api/provider/ExamRecordForMarkingCloudServiceProvider.java

@@ -235,7 +235,7 @@ public class ExamRecordForMarkingCloudServiceProvider extends ControllerSupport
 					.queryValidExamRecordInfoByStuIds(examId, courseId, stuIdList, req.getBatchNum());
 
 			if (CollectionUtils.isEmpty(examRecordForMarkingList)) {
-				resp.setExamRecordForMarkingBeanList(null);
+				resp.setExamRecordForMarkingBeanList(examRecordForMarkingBeanList);
 				return resp;
 			}