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webPushClient.SendNotification(subscriptionkey, JsonData, vapidDetails);

当我尝试将网络通知推送到浏览器时，我得到了以下异常。

System.AggregateException: One or more errors occurred.
 ---> WebPush.WebPushException: Received unexpected response code 
   at Microsoft.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) 
   at Microsoft.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccess(Task task) 
   at WebPush.WebPushClient.<SendNotificationAsync>d__15.MoveNext()   
   --- End of inner exception stack trace --- 
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions) 
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken) 
   at WebPush.WebPushClient.SendNotification(PushSubscription subscription, String payload, VapidDetails vapidDetails) 
   at ServerMonitor.Program.Main(String[] args)
 ---> (Inner Exception #0) WebPush.WebPushException: Received unexpected response code 
   at Microsoft.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) 
   at Microsoft.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccess(Task task) 
   at WebPush.WebPushClient.<SendNotificationAsync>d__15.MoveNext()<---

但是它创建了问题生产环境，48 小时后它开始推送通知，48 小时后它开始工作后无法到达它去的地方，最初的 48 小时是错误的

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