Check subscription status show random true or false

Hi, after i buy my subscription, purchaserInfo show sometimes indicates a purchase, sometimes not

With Android Emulator / Flutter

Here is my code to check

1 checkPremium() async {
2    Purchases.addPurchaserInfoUpdateListener((purchaserInfo) async {
3      PurchaserInfo purchaserInfo = await Purchases.getPurchaserInfo();
4      (purchaserInfo.entitlements.all["remove_ads"] != null &&
5              purchaserInfo.entitlements.all["remove_ads"]!.isActive)
6          ? print("Active")
7          : print("Not Active");
8
9      setState(() {});
10    });
11  }