对比本地部署，云端部署的版本确实没办法直接读取电脑里的本地文件，少了一些 “看着鼠标自己动” 的极客感。
if (left < n) {
，这一点在下载安装汽水音乐中也有详细论述
Овечкин продлил безголевую серию в составе Вашингтона09:40
Every ghost commit answers: what did I want to happen here? Not what bytes changed. Each commit is reproducible from its prompt — if the code breaks, you have the exact instruction that generated it. The git log reads like a design document, not a diff summary.