h5支付报错https://api.mch.weixin.qq.com/pay/unifiedord
请求参数：<xml><appid>****</appid><mch_id>****</mch_id><out_trade_no>10201771665308226319</out_trade_no><nonce_str>bv6y7IxJgrku96Yuzr31</nonce_str><sign>CCF01EEC00948A8F24C8FD5ECE67C873</sign><sign_type/><device_info>WEB</device_info><body>看诊</body><detail/><attach>APPOINTMENT</attach><fee_type/><total_fee>1</total_fee><spbill_create_ip>***.***.**.***</spbill_create_ip><time_start/><time_expire/><goods_tag/><notify_url>http://www.baidu.com</notify_url><trade_type>MWEB</trade_type><product_id/><limit_pay/><openid/><scene_info>{"h5_info": {"type": "Wap", "wap_url": "http://www.baidu.com","wap_name": "h5支付"}}</scene_info></xml> 返回：签名错误，请检查后再试 签名校验没问题，不知道是不是参数问题
