Ellis 原本找不到spine的激活码，购买了之后才发现找到了。该如何退款？ I couldn't find the activation code of the cervical spine, but I found it after I bought it. How to refund?
Mario 请通过您用于购买Spine的电子邮件地址给我们发送电子邮件，地址为contact@esotericsoftware.com。 Please email us from the email address you used to purchase Spine at contact@esotericsoftware.com.
