java后台发送的data报文如下：

{"amount1":{"value":"1.0"},"phrase2":{"value":"按支付渠道"},"phrase3":{"value":"商家退款"},"thing5":{"value":"实际入账可能稍有延迟，可后续刷新查看"},"time4":{"value":"12"}}

用postman调用是可以的,用Java就不行