服务端调用https://api.mch.weixin.qq.com/vehicle/pay/querystate接口进行授权车主服务

调用输入：

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

<xml>

<nonce_str>267fbecbbd134535bfeb60015e8350e0</nonce_str>

<jump_scene>H5</jump_scene>

<openid>xxxxxxxxxxx</openid>

<appid>xxxxxxxxxxxx</appid>

<sign>xxxxxxxxxxxxxxxxxxxxxxxx</sign>

<plate_number>皖Axxxxx</plate_number>

<mch_id>xxxxxxxxx</mch_id>

<trade_scene>PARKING</trade_scene>

<sign_type>HMAC-SHA256</sign_type>

<version>2.0</version>

</xml>

调用输出

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

<return_msg><![CDATA[OK]]></return_msg>

<appid><![CDATA[xxxxxxxxxxxxxxxxxx]]></appid>

<mch_id><![CDATA[xxxxxxxx]]></mch_id>

<nonce_str><![CDATA[pxVc6TJn3einAJgtTfCik4KINhxmt7Ui]]></nonce_str>

<sign><![CDATA[xxxxxxxxxxxxxxxxxxxxxx]]></sign>

<result_code><![CDATA[FAIL]]></result_code>

<err_code><![CDATA[INVALID_REQUEST]]></err_code>

<err_code_des><![CDATA[Permission denied]]></err_code_des>

</xml>

麻烦看下怎么回事，是不是哪里权限没开通