async def cancelbz_order(ns):
    """取消订单"""

    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        if ns:
            try:
                # 需要加事务
                await sor.U('bz_order', {'id': ns['orderid'], 'order_status': '3'})
                return {'status': True, 'msg': '取消订单'}
            except Exception as error:
                raise error
        else:
            return {'status': False, 'msg': '参数错误'}
    return {'status': False, 'msg': '取消失败'}

ret = await cancelbz_order(params_kw)
return ret