https://developers.weixin.qq.com/doc/oplatform/openApi/OpenApiDoc/https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/product/privacy_setting.html， 通过接口设置了privacy_ver=2 的隐私保护指引后，通过该接口调用无法获取到设置的隐私指引内容