public class MyX509Validator : System.IdentityModel.Selectors.X509CertificateValidator
    {
        public override void Validate(X509Certificate2 certificate)
        {
            if (certificate == null)
            {
                throw new ArgumentNullException("X509认证证书为空！");
            }
            //if (certificate.Thumbprint != "‎3a6b16f83cd397c6f21c945374a26a774caeb6ed".ToUpper())
            if (certificate.Thumbprint.ToString() != "‎292B9E8705AC26DA4B2384A160B77D5052252F40")
            {
                //throw new System.IdentityModel.Tokens.SecurityTokenException("Certificate Validation Error!");
            }
        }
    }