你难道没收到email发来的指导方法吗
From your Android device Android Device
1. Open Google Play App
2. Tap ‘Menu’
3. Tap ‘My account’
4. Tap ‘Add payment method’
5. Add your enrolled Card
From your desktop Desktop
1. Go to play.google.com
2. Click on ‘My Account’
3. Click on ‘Add a Payment Method’
4. Add your enrolled Card