code: public void getOrderDetail(OrderRequest request, GetOrderHandler handler) {
          HMSAgentLog.i("getOrderDetail:request=" + StrUtils.objDesc(request) + "  handler=" + StrUtils.objDesc(handler));
          this.checkPayReq = request;
          this.handler = handler;
          this.retryTimes = MAX_RETRY_TIMES;
          connect();
      }
docs: 查询订单接口
  @param request 查询订单请求体
  @param handler 查询订单结果回调