fix: 修改转换方法调用

src/main/java/com/nju/edu/eval/service/serviceImpl/ExamServiceImpl.java

@@ -80,7 +80,7 @@ public class ExamServiceImpl implements ExamService {
                 .sorted(Comparator.comparing(Exam::getStartTime).reversed())
                 .filter(exam -> !exam.getIsHidden())
                 .skip(pageSize * (pageNum - 1)).limit(pageSize)
-                .map(ExamConvertor::convertToJoinedVO).collect(Collectors.toList());
+                .map(ExamConvertor::convertToVO).collect(Collectors.toList());
         User user = userDao.findById(userId).orElse(null);
         List<Exam> currentUserExams = user.getExams();
         for (ExamVO examVO : examVOList) {