redis-server
celery -A admin_site beat
celery -A admin_site worker -l info --max-memory-per-child=524288000
python3 manage.py runserver
redis-cli
1、django_migrations
delete
from django_migrations
where app like 'order'
2、先执行 makemigrations,创建python生成表的函数
python3 manage.py makemigrations order
3、 再执行 migrate,运行sql创建语句
python3 manage.py migrate order
python3 manage.py createsuperuser
python3 manage.py startapp