async def upcp_discount(ns):
    """
    修改客户折扣
    """
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        if ns:
            await sor.U('cp_discount', ns)
            return {'status': True, 'msg': '修改成功'}
    return {'status': False, 'msg': '修改失败'}

ret = await upcp_discount(params_kw)
return ret