diff --git a/server/apps/exam/views.py b/server/apps/exam/views.py
index 805b618..74c11be 100644
--- a/server/apps/exam/views.py
+++ b/server/apps/exam/views.py
@@ -7,7 +7,7 @@ from apps.exam.serializers import (QuestionSerializer, QuestioncatSerializer, Pa
                                    ExamCreateUpdateSerializer, ExamListSerializer, ExamRecordSubmitSerializer, PaperDetailSerializer, PaperCreateUpdateSerializer, AnswerDetailOutSerializer, ExamRecordListSerializer)
 from rest_framework.decorators import action
 from rest_framework.response import Response
-from rest_framework.permissions import IsAuthenticated, AllowAny
+from rest_framework.permissions import IsAuthenticated
 from rest_framework.exceptions import ParseError
 from openpyxl import Workbook, load_workbook
 from django.conf import settings