Merge branch 'Develop' into 'Test'

Develop







See merge request !1122

mooctest-site-server/src/main/java/cn/iselab/mooctest/site/web/logic/impl/ExamLogicImpl.java

@@ -270,7 +270,7 @@ public class ExamLogicImpl extends BaseLogic implements ExamLogic {
         }else{
             assignedTasks = submitRecordService.getAssignedTaskPage(examId,keyword, pageable);
         }
-        if(assignedTasks.getSize()==0){ //查出空记录，无需再继续处理
+        if(!assignedTasks.hasContent()){ //查出空记录，无需再继续处理
             return new PageImpl<>(new ArrayList<>());
         }
         List<Long> userIds = assignedTasks.getContent().stream().map(SubmitRecord::getParticipantId).