不清楚你有没有放广告。id？

///do you use id here?
 String? _advertisingId = '**here your id**';
  bool? _isLimitAdTrackingEnabled;

  @override
  initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  initPlatformState() async {
    String? advertisingId;
    bool? isLimitAdTrackingEnabled;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      advertisingId = await AdvertisingId.id(true);
    } on PlatformException {
      advertisingId = 'Failed to get platform version.';
    }

    try {
      isLimitAdTrackingEnabled = await AdvertisingId.isLimitAdTrackingEnabled;
    } on PlatformException {
      isLimitAdTrackingEnabled = false;
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _advertisingId = advertisingId;
      _isLimitAdTrackingEnabled = isLimitAdTrackingEnabled;
    });
  }