diff --git a/apps/edu/views.py b/apps/edu/views.py
index b18112bd..87c5f830 100644
--- a/apps/edu/views.py
+++ b/apps/edu/views.py
@@ -17,6 +17,7 @@ from apps.utils.permission import has_perm
 from .filters import ExamFilter, ExamRecordFilter
 from apps.system.models import User
 from datetime import datetime
+from apps.utils.snowflake import idWorker
 
 # Create your views here.
 class QuestioncatViewSet(CustomModelViewSet):
@@ -119,7 +120,7 @@ class ExamViewSet(CustomModelViewSet):
                 pqs = PaperQuestion.objects.filter(paper=exam.paper).order_by('sort', 'id')
                 details = []
                 for i in pqs:
-                    details.append(AnswerDetail(examrecord=er, question=i.question, total_score=i.total_score))
+                    details.append(AnswerDetail(id=idWorker.get_id(), examrecord=er, question=i.question, total_score=i.total_score))
                 AnswerDetail.objects.bulk_create(details)
             sr = ExamRecordInitSerizlier(er)
             res_data = sr.data