diff --git a/language_learning/2021.11.17_zhihu/nature_physics.py b/language_learning/2021.11.17_zhihu/nature_physics.py
index ca1744a..fe158a7 100644
--- a/language_learning/2021.11.17_zhihu/nature_physics.py
+++ b/language_learning/2021.11.17_zhihu/nature_physics.py
@@ -34,5 +34,4 @@ for article in all_article:
                 f.write('</a>&nbsp;&nbsp;')
     time = article.find('time', {"class": "c-meta__item c-meta__item--block-at-lg"}).get_text()
     f.write(time+'</p>')
-f.close()
-
+f.close()
\ No newline at end of file