iPhone 收不到任何推送通知

iPhone是世界上最流行的智能手机之一，它拥有强大的功能和丰富的应用程序。然而，有时候用户可能会遇到一些问题，比如收不到任何推送通知。在本文中，我们将探讨可能导致iPhone收不到推送通知的原因，并介绍一些解决这个问题的方法。

python
import requests
def send_push_notification(device_token, message):
    url = "https://api.push.apple.com/3/device/{}".format(device_token)
    headers = {
        "apns-topic": "your-bundle-identifier",
        "authorization": "Bearer your-jwt-token",
        "content-type": "application/json"
    }
    payload = {
        "aps": {
            "alert": {
                "title": "Push Notification",
                "body": message
            },
            "sound": "default"
        }
    }
    response = requests.post(url, headers=headers, json=payload)
    if response.status_code == 200:
        print("Push notification sent successfully!")
    else:
        print("Failed to send push notification.")
# 使用示例
device_token = "your-device-token"
message = "Hello, world!"
send_push_notification(device_token, message)