退押金接口传递了退款理由(reason)字段，用户收到的通知没有展示理由，基本上退款十几次才能收到一次展示退款理由的通知

接口地址：

https://api.mch.weixin.qq.com/v3/refund/domestic/refunds 

请求参数：

{
    "amount": {
        "currency": "CNY",
        "refund": 1,
        "total": 2
    },
    "out_refund_no": "7zker2019k2cs6i4dhhdpx41r0tjrx7k",
    "out_trade_no": "x08tdw01nlscruuob23cicoy00g04r6y",
    "reason": "退押金"
}

接口返回：

{
    "amount": {
        "currency": "CNY",
        "discount_refund": 0,
        "from": [],
        "payer_refund": 1,
        "payer_total": 2,
        "refund": 1,
        "refund_fee": 0,
        "settlement_refund": 1,
        "settlement_total": 2,
        "total": 2
    },
    "channel": "ORIGINAL",
    "create_time": "2023-04-26T15:27:44+08:00",
    "funds_account": "AVAILABLE",
    "out_refund_no": "7zker2019k2cs6i4dhhdpx41r0tjrx7k",
    "out_trade_no": "x08tdw01nlscruuob23cicoy00g04r6y",
    "promotion_detail": [],
    "refund_id": "50301705182023042633744288647",
    "status": "PROCESSING",
    "transaction_id": "4200001769202304122457652224",
    "user_received_account": "支付用户零钱"
}