大疆机场2连接minIO临时凭证失败，无法上传图片

@Override
public CredentialsDTO getCredentials() {
      try {
         AssumeRoleProvider provider = new AssumeRoleProvider(OssConfiguration.endpoint, OssConfiguration.accessKey,
                  OssConfiguration.secretKey, Math.toIntExact(OssConfiguration.expire),
                  null, OssConfiguration.region, null, null, null, null);
         return new CredentialsDTO(provider.fetch(), OssConfiguration.expire);
      } catch (NoSuchAlgorithmException e) {
         log.debug("Failed to obtain sts.");
         e.printStackTrace();
      }
      return null;
}

yml 配置文件：oss:
  enable: true
  provider: minio
  endpoint: http://*********:9000
  access-key: ****
  secret-key: ***
  bucket: cloud-bucket
  expire: 3600

之前使用阿里的OSS可以正常图传，后切换到minIO以后，第一次还正常，但是换了一台机场2以后就没办法图传了，在上述代码中就一直报错 failed to obtain sts.