Go 上传图片失败，出现错误dial tcp： lookup api.cloudinary.com： no such host

我一直在try 通过Golang SDK上传到Cloudinary.但有时它似乎在几次请求后失败(有时它起作用，其他时候不起作用).

我在本地主机(Windows)上运行这个应用程序，没有VPN.

错误消息:

"https://api.cloudinary.com/v1_1/dd6mdlpgj/auto/upload":拨号tcp:查找api.cloudinary.com:没有这样的主机

type cloudinaryStorageRepository struct {
    cld *cloudinary.Cloudinary
}

func NewCloudinaryStorageRepository(cloudName string, apiKey string, apiSecret string) domain.StorageRepository {
    cld, err := cloudinary.NewFromParams(cloudName, apiKey, apiSecret)
    if err != nil {
        panic(err)
    }
    return &cloudinaryStorageRepository{cld}
}

func (c *cloudinaryStorageRepository) Upload(ctx context.Context, storage *domain.Storage) (string, error) {
    file, err := storage.File.Open()
    defer func(file multipart.File) {
        err := file.Close()
        if err != nil {
            logrus.Error(err)
        }
    }(file)

    if err != nil {
        logrus.Error(err)
        return "", err
    }

    uploaded, err := c.cld.Upload.Upload(ctx, file, uploader.UploadParams{
        Folder:   storage.Folder,
        PublicID: storage.Name,
    })
    if err != nil {
        logrus.Error(err)
        return "", err
    }
    return uploaded.SecureURL, nil
}