报错：

以下代码说明：
传的openid为当前支付人的openid，是可以添加成功的。
传的mchId为分账的出资商户号或一个陌生的商户号，都报请求参数错误！

private static ProfitsharingService profitsharingService;//分账服务
/**
 * 添加分账接收方（发起分账前需先添加分账接收方）
 * 参考文档：https://pay.weixin.qq.com/wiki/doc/api/allocation_sl.php?chapter=25_3&index=4
 *
 * @param openId 接收方是个人，就传这个
 * @param mchId 接收方商户号，就传这个
 * @return
 */
public static Result addReceiver(String openId,String mchId){
    try {
        AddReceiverRequest request = new AddReceiverRequest();
        request.setSubMchid(sub_mchid);
        request.setAppid(appId);
        if (!StringUtils.isBlank(openId)){
            request.setType(ReceiverType.PERSONAL_OPENID);
            request.setAccount(openId);
            request.setRelationType(ReceiverRelationType.USER); //用户
        }else if(!StringUtils.isBlank(mchId)){
            request.setType(ReceiverType.MERCHANT_ID);
            request.setAccount(mchId);
            request.setRelationType(ReceiverRelationType.PARTNER);//合作伙伴
        }
        AddReceiverResponse addReceiverResponse = profitsharingService.addReceiver(request);
        return Result.success(addReceiverResponse);
    } catch (ServiceException e) {
        log.error("ServiceException添加分账接收方异常",e);
        return Result.fail(e.getErrorMessage());
    } catch (Exception e){
        log.error("Exception添加分账接收方异常",e);
        return Result.fail("添加分账接收方异常");
    }
}