diff --git a/server/apps/exam/views.py b/server/apps/exam/views.py
index 30d6f6c..97264fb 100644
--- a/server/apps/exam/views.py
+++ b/server/apps/exam/views.py
@@ -1,6 +1,6 @@
 from django.shortcuts import render
 from rest_framework.viewsets import ModelViewSet, GenericViewSet
-from rest_framework.mixins import ListModelMixin, DestroyModelMixin
+from rest_framework.mixins import ListModelMixin, DestroyModelMixin, RetrieveModelMixin
 from apps.exam.exports import export_question
 from apps.exam.models import Question, Questioncat, PaperQuestion
 from apps.exam.serializers import (QuestionSerializer, QuestioncatSerializer, PaperSerializer, ExamDetailSerializer, ExamRecordDetailSerializer, ExamListSerializer,
@@ -306,7 +306,7 @@ class ExamViewSet(CreateUpdateCustomMixin, ModelViewSet):
         if exam.paper:
             er = ExamRecord()
             er.type = '正式考试'
-            er.name = '正式考试' + now.strftime('%Y%m%d%H%M')
+            er.name = '正式考试' + datetime.now().strftime('%Y%m%d%H%M')
             er.limit = exam.paper.limit
             er.paper = exam.paper
             er.total_score = exam.paper.total_score
@@ -328,7 +328,7 @@ class ExamViewSet(CreateUpdateCustomMixin, ModelViewSet):
         raise ParseError('暂不支持')
 
 
-class ExamRecordViewSet(ListModelMixin, DestroyModelMixin, GenericViewSet):
+class ExamRecordViewSet(ListModelMixin, DestroyModelMixin, RetrieveModelMixin, GenericViewSet):
     """
     考试记录列表和详情
     """