4、flask with上下文

from app.models.base import db
from app.models.user import User

with db.auto_commit():
    user = User()
    user.nickname = "super"
    user.password = "123456"
    user.email = "super@qq.com"
    user.auth = 2
    db.session.add(user)
#RuntimeError: No application found. Either work inside a view function or push an application context.