curl --location --request POST '/pay/refundquery' \
--header 'Content-Type: application/xml' \
--data-raw '<xml>
<appid>wx2421b1c4370ec43b</appid>
<mch_id>10000100</mch_id>
<nonce_str>0b9f35f484df17a732e537c37708d1d0</nonce_str>
<out_refund_no></out_refund_no>
<out_trade_no>1415757673</out_trade_no>
<refund_id></refund_id>
<transaction_id></transaction_id>
<sign>66FFB727015F450D167EF38CCC549521</sign>
</xml>'
<xml>
<appid><![CDATA[wx8888888888888888
]
]></appid>
<mch_id><![CDATA[
1900000109
]
]></mch_id>
<nonce_str><![CDATA[
5K8264ILTKCH16CQ2502SI8ZNMTM67VS
]
]></nonce_str>
<out_trade_no><![CDATA[
1217752501201407033233368018
]
]></out_trade_no>
<refund_count>1</refund_count>
<refund_fee_0>1</refund_fee_0>
<refund_id_0><![CDATA[
2008450740201411110000174436
]
]></refund_id_0>
<refund_status_0><![CDATA[PROCESSING
]
]></refund_status_0>
<result_code><![CDATA[SUCCESS
]
]></result_code>
<return_code><![CDATA[SUCCESS
]
]></return_code>
<return_msg><![CDATA[OK
]
]></return_msg>
<cash_refund_fee><![CDATA[
90
]
]></cash_refund_fee>
<sign><![CDATA[
1F2841558E233C33ABA71A961D27561C
]
]></sign>
<transaction_id><![CDATA[
1008450740201411110005820873
]
]></transaction_id>
</xml>