My friend, I'm so sorry! Because it is difficult to avoid some defects in the production process, there may be some problems in quality. We have also reflected this problem with the factory. Thank you for your feedback, we will also strengthen the inspection work before delivery, and try our best to make sure. In addition, our after-sales are in, to help you solve the problem is our purpose, to give you a satisfactory answer is our goal. Enjoy your shopping!"