Page not found (404)

Request Method:
GET
Request URL:
https://www.carbonstop.net/static/upload/greenmeeting_zhinan.pdf
Raised by:
django.views.static.serve

"/data/var/www/carbonstop2018/current/static/upload/greenmeeting_zhinan.pdf" 不存在

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.