If the Xiaomi Home Secure charges duplicate fees, please refer to the following methods:
1. If you are using a Xiaomi phone, please provide your Xiaomi account and a screenshot of the payment to request a refund.
2. If you are using an iPhone, you need to request a refund directly through the App Store. Please follow Apple's standard refund process in your purchase history.
3. Before submitting a refund request, please check your bank or payment account statement to confirm whether there are any duplicate charges.