diff --git a/test_server/examtest/views.py b/test_server/examtest/views.py
index d6c3211..73e805b 100644
--- a/test_server/examtest/views.py
+++ b/test_server/examtest/views.py
@@ -639,6 +639,7 @@ class PaperViewSet(PageOrNot, ModelViewSet):
         instance = serializer.save()
         if 'questions' in data:
             questions = []
+            Question.objects.filter(is_delete=True, id__in=[i['id'] for i in data['questions']]).update(is_delete=False)
             for i in data['questions']:
                 question = {}
                 question['question'] = i['id']
@@ -663,6 +664,7 @@ class PaperViewSet(PageOrNot, ModelViewSet):
         self.perform_update(serializer)
         if 'questions' in data:
             questions = []
+            Question.objects.filter(is_delete=True, id__in=[i['id'] for i in data['questions']]).update(is_delete=False)
             for i in data['questions']:
                 question = {}
                 question['question'] = i['id']