foreach(var row in data.rows)
{

var url = string.Format("https://{0}:{1}/3/device/{2}", apnsHost, APNS_API_PORT, row.token); 
using (var request = new HttpRequestMessage(HttpMethod.Post, url))
{
    accessToken = tools.CreateToken(p8CertInfo,certDetail.send_key);
    request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", accessToken);
    request.Headers.TryAddWithoutValidation("apns-push-type", "alert");
    request.Headers.TryAddWithoutValidation("apns-id", Guid.NewGuid().ToString("D"));
    request.Headers.TryAddWithoutValidation("apns-expiration", Convert.ToString(0));
    request.Headers.TryAddWithoutValidation("apns-priority", Convert.ToString(10));
    request.Headers.TryAddWithoutValidation("apns-topic", p8CertInfo.bundle_id);

    request.Content = new ByteArrayContent(payload);
    request.Version = HttpVersion.Version20;

    try
    {
        using (var httpResponseMessage = _client.SendAsync(request).GetAwaiter().GetResult())
        {
            string statusCode = httpResponseMessage.StatusCode.ToString(); 
            if (httpResponseMessage.IsSuccessStatusCode)
            {
 ...
            }
            else
            {
...
            }
        }
    }
    catch (Exception ex)
    {

    }

}

}

想請問 一開始發送都是正常的，但後續就會開始出現status Code : 429 ， reason : TooManyProviderTokenUpdates
google之後本以為是token失效，但已在每次發送前都重新產生新的token，時戳應該是不會失效的才對
想問問程式碼是否有哪裡需要調整ˊˋ?