Apps

对应<app_name>/apps.py

App

添加应用

# mysite/settings.py
INSTALLED_APPS = [
    'polls.apps.PollsConfig',

# polls/app.py
# verbose_name 对应页面显示名称
class PollsConfig(AppConfig):
    name = 'Polls'
    verbose_name = 'My Polls'