Unity作为前端Connect对战服务时报错

报错信息：UriFormatException: Invalid URI: The format of the URI could not be determined.

另：用的国际服，没有绑定域名

    public async void Init(AVUser user)
    {
        LeanCloud.Common.Logger.LogDelegate = (level, log) =>
        {
            switch (level)
            {
                case LogLevel.Debug:
                    Debug.LogFormat("[DEBUG] {0}", log);
                    break;
                case LogLevel.Warn:
                    Debug.LogWarningFormat("[WARN] {0}", log);
                    break;
                case LogLevel.Error:
                    LogHelper.Error("[ERROR] {0}", log);
                    break;
            }
        };
        _client = new Client(Config.AppId, Config.AppKey, user.ObjectId);
        await Connect();
    }

    private async Task Connect()
    {
        try
        {
            await _client.Connect();
            LogHelper.Debug("Connect");
        }
        catch (PlayException e)
        {
            // 连接失败
            LogHelper.Error("Connect failed, {0}, {1}", e.Code, e.Detail);
        }
    }