接口：

https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<xml>

<amount>5</amount>

<check_name>NO_CHECK</check_name>

<desc>提现</desc>

<mch_appid>XXXXXXX2149</mch_appid>

<mchid>156XXXXXXXX</mchid>

<nonce_str>g3bhIZE9Nhl5MBrUt2qDOHBSUUgaO5Qv</nonce_str>

<openid>oSRP65ovtMKnZoNbjXXXXXXXXX</openid>

<partner_trade_no>C1640854296101</partner_trade_no>

<sign>CC403A40191CAE40626C7XXXXXX</sign>

<spbill_create_ip>106.52.102.243</spbill_create_ip>

</xml>

返参：

<xml><return_code><![CDATA[FAIL]]></return_code>

<return_msg><![CDATA[0参数格式错误]]></return_msg>

</xml>