打开下载的文件，发现有文字被隐写ctrl+a复制全部，粘贴到记事本，发现一串数字将数字转成字符串，得到flag

The Critical Role of Insulation Resistance Testing in EV Maintenance: Introducing the LAUNCH ES200 As electric vehicles (EVs) become increasingly prevalent across Europe and America, the demand for saf…

wireshark打开文件，搜索flag追踪TCP流发现加密编码base64解码得到flag

The Hidden Hazard in EV Battery Packs: Cell Imbalance In the world of electric vehicles, a battery pack’s health is the backbone of performance and reliability. Yet, even the most advanced EVs can fac…

如果不选中，下次就没法通过调试接口下载程序了。

打开网址提示缺少条件查看源码，发现两个加密编码解码得到需要的条件使用扩展改成对应的条件刷新页面，获得flag

在https://www.iamwawa.cn/morse.html 解码摩斯密码因为只有大写字母和数字猜测是base32加密，解码得到16进制16进制转字符串，得到flag

vim最多可以设置3组高亮（也就是最多只能设置三种颜色） :mat[ch] {group} /{pattern}/ :2mat[ch] {group} /{pattern}/ :3mat[ch] {group} /{pattern}/如:match Label /hello/ 取消高亮 :mat[ch] [none] :2mat[ch] [n…