Mine got canceled too.
"Dear customer,
Thank you for your understanding.
It is beyond our expectation that our products to be so popular.While being happy, I am very sorry to inform you that your order has been canceled because the item you purchased is out of stock now.It is expected to be in stock about one month.It is for a long time to wait, I have to cancel your order.Thank you very much for your support. We will issue you a full refund and you will be notified of the refund within 48 hours.
Sorry about any inconvenience this may caused to you.
Have a good day.
Sincerely,
David"
This is also my story