/// <summary>
        /// 订阅(关注)事件
        /// </summary>
        /// <returns></returns>
        public override async Task <IResponseMessageBase> OnEvent_SubscribeRequestAsync(RequestMessageEvent_Subscribe requestMessage)
        {
            string eventKey = requestMessage.EventKey.StartsWith("qrscene_") ? requestMessage.EventKey.Substring(8) : requestMessage.EventKey;
            await Event_ScanService.OnRequest(eventKey, requestMessage.FromUserName, requestMessage.ToUserName, requestMessage.Event);

            return(new SuccessResponseMessage());
        }
        /// <summary>
        /// 通过二维码扫描关注扫描事件
        /// </summary>
        public override async Task <IResponseMessageBase> OnEvent_ScanRequestAsync(RequestMessageEvent_Scan requestMessage)
        {
            await Event_ScanService.OnRequest(requestMessage.EventKey, requestMessage.FromUserName, requestMessage.ToUserName, requestMessage.Event);

            return(new SuccessResponseMessage());
        }