We are very sorry for the inconvenience caused to you. If the product you received is abnormal, please click the "Help Center" option at the bottom of the main page of our official website, find the "Contact Us" button in the open page and click it, fill in your question, leave your email address, and submit the picture of the abnormal product. Our staff will contact you as soon as possible after receiving this information, and cooperate with you to complete the follow-up refund work.