async def uppromoting(ns):
    """
    修改促销活动
    """
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        try:
            await sor.U('promoting', ns)
            return {'status': True, 'msg': '修改成功'}
        except:
            return {'status': False, 'msg': '修改失败'}

ret = await uppromoting(params_kw)
return ret