public async void HandleEvent(CheckUpdateEventData eventData)
        {
            try
            {
                using (var client = new HttpMethodUtils())
                {
                    var result = await client.GetAsync <UpdateModel>(@"http://api.myzony.com/api/VersionCheck/CheckVersion");

                    if (result == null)
                    {
                        return;
                    }
                    var newVersion     = new Version(result.Version);
                    var currentVersion = Assembly.GetExecutingAssembly().GetName().Version;

                    string BuildMessageText()
                    {
                        StringBuilder builder = new StringBuilder();

                        builder.Append("发现新版本,是否更新?").Append("\r\n");
                        builder.Append("更新信息:").Append("\r\n");
                        builder.Append(result.UpdateDescription.Replace("|", "\r\n"));
                        return(builder.ToString());
                    }

                    if (newVersion > currentVersion)
                    {
                        if (MessageBox.Show(caption: "更新提示", text: BuildMessageText(), icon: MessageBoxIcon.Information, buttons: MessageBoxButtons.OKCancel) == DialogResult.OK)
                        {
                            Process.Start(result.Url);
                        }
                    }
                }
            }
            catch (Exception)
            {
                // ignored
            }
        }