access_token是每次调用都会前一次失效，jsapi_ticket不是的 下边有几个都有相同的问题 https://developers.weixin.qq.com/community/develop/doc/000e86f8e4c1d084fc595e0725b800?_at=1587352787921 https://developers.weixin.qq.com/community/develop/doc/0008c60e4082e037c7d877a5b5f400?_at=1587352787921 https://developers.weixin.qq.com/community/develop/doc/000a0ef60783c0c7238987e0451c00?_at=1587352787921