diff --git a/crawler/views.py b/crawler/views.py
index 5407918..2c25dd8 100644
--- a/crawler/views.py
+++ b/crawler/views.py
@@ -152,7 +152,6 @@ def search_page(request):
             contents_query = contents_query.filter(created_at__gte=start_date)
         if end_date:
             # 将结束日期设置为当天的结束时间
-            from django.utils import timezone
             from datetime import datetime
             end_datetime = datetime.strptime(end_date, '%Y-%m-%d')
             end_datetime = timezone.make_aware(end_datetime.replace(hour=23, minute=59, second=59))