购买时选错了操作系统怎么办

现在pem无法使用

{
"details": [
"err[不是同一个平台 'lin' != 'win'] := license.LoadLicense(data.Pem.Code, bizauth.Product)"
],
"msg": "加载许可证失败",
"reason": "ErrBadRequest",
"trace_id": "0d326b50-2f6e-436a-83dc-757a6827fccf"
}