async def dlebill(ns):
    """删除账单"""
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        if ns:
            ns['del_flg'] = '1'
            await sor.U('bill', ns)
            return {'status': True, 'msg': '删除成功'}
    return {'status': False, 'msg': '删除失败'}

ret = await dlebill(params_kw)
return ret