async def vol_redirect(ns={}):
    """
    验证成功以后 生成授权码code 跳转回填的url+code
    :param ns:
    :return:
    """
    # redirect_uri = 'https://signin.volcengine.com/oauth/sso/7290551861328035851'
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        auth = ns.get('auth')
        if not auth:
            return {
                'status': False,
                'msg': '当前未登录, status: 1'
            }
        if len(auth) < 5:
            return {
                'status': False,
                'msg': '当前未登录, status: 2'
            }

        if auth[4] != 'A':
            return {
                'status': False,
                'msg': '当前未登录, status: 3'
            }

        auth_a = auth[:4] + auth[4 + 1:]
        try:
            res = base64.b64decode(auth_a).decode()
        except Exception as e:
            return {
                'status': False,
                'msg': '当前未登录, status: 4'
            }

        redirect_uri_li = await sor.R('params', {'pname': 'vol_redirect_url'})
        if not redirect_uri_li:
            return {
                'status': False,
                'msg': '获取跳转链接为空'
            }
        redirect_uri = redirect_uri_li[0]['pvalue']

    # 如果有user就按照code=user
    return await redirect(redirect_uri + '?code=' + auth)

ret = await vol_redirect(params_kw)
return ret