现有的功能中有没有黑名单机制？ about nonebot HOT 7 CLOSED

from nonebot.message import CanceledException, message_preprocessor

@message_preprocessor
async def _(bot: NoneBot, event: Event, _):
    if event.user_id in settings.SUPERUSERS:
        return
    blacklists = ... # 此处需要你自己的黑名单获取逻辑
    if event.user_id in blacklists:
        raise CanceledException(f"User {event.user_id} is in blacklist")