fix: 修复无法正常修改的bug

src/main/java/nju/seec/helper/service/impl/QuizServiceImpl.java

@@ -79,7 +79,7 @@ public class QuizServiceImpl implements QuizService {
     public QuizVO modifyQuiz(LoginUser user, Long quizId, QuizDTO quizDTO) {
         Quiz quiz = quizDAO.findQuizById(quizId);
 
-        AuthUtils.checkDataAuth(user.getId(), quiz.getId(), "您无权修改该测试");
+        AuthUtils.checkDataAuth(user.getId(), quiz.getTeacher().getId(), "您无权修改该测试");
         checkSubmit(quiz);
 
         Slide slide = quiz.getSlide();