diff --git a/server/apps/exam/views.py b/server/apps/exam/views.py
index e0ceb1d..34cd5fa 100644
--- a/server/apps/exam/views.py
+++ b/server/apps/exam/views.py
@@ -275,6 +275,7 @@ class PaperViewSet(ModelViewSet):
     def upload_paper(self, request):
         doc_path = request.data.get('doc_path')
         excel_path = settings.BASE_DIR + "/media/default/question.xlsx"
+        doc_path = os.path.join(settings.BASE_DIR, doc_path)
         # excel_path = "C:\code\data\question.xlsx"
         timenow = timezone.now().strftime('%Y%m%d%H%M%S')
         question_excel_name = "question_excel_"+timenow