1.签名算法正确，已经过微信工具进行校验
2.前后端用于config的所有参数均一致，没有任何差异
3.access_token和jsapi_ticket均已进行7200秒缓存，失效后自动重新获取并缓存
4.公众号已配置js安全域名（https:///act.qydw.net）
怀疑是 url不正确，但不知道为什么不正确，已参照网上说的方案，前端处理url后进行传递，但仍会出现报错
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破案了！！ 我的问题是 后端需要 decodeURIComponent(url)
JS接口安全域名，这个安全域名是绑定到公众号吗，还是小程序后台