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>