{"code":"PARAM_ERROR","detail":{"location":"body","value":0},"message":"输入源“/body/receivers”映射到字段“分账接收方列表”多重性规则校验失败，此字段个数为 0 个，低于最小值 1"}

我的参数是

{"appid":"wxa8abce27bffa70bfweewe","sub_mchid":"15932578421","transaction_id":"4342500104202005220710145894","out_order_no":"4342500104202005220710145894M1590152416","receivers":[{"type":"PERSONAL_OPENID","receiver_account":"op5xas67_YiCTXAvF7CeTciez4Tw","amount":1,"description":"分账给会员XSSC"},{"type":"PERSONAL_OPENID","receiver_account":"op5xas2Y3hZ69zcJBqoueJuz-qlw","amount":2,"description":"分账给会员测试"}],"finish":false}