Traceback (most recent call last):
File "main.py", line 201, in <module>
urls,titles = get_article_urls_in_collection(collection_id)
File "main.py", line 120, in get_article_urls_in_collection
while offset < article_nums:
TypeError: '<' not supported between instances of 'int' and 'NoneType'
下载某个收藏夹时报错,其他收藏夹有时能下载成功