蚀刻宽度过大，正面屏幕观感就会受到影响，导致屏幕亮度腰斩、画面模糊、出现摩尔纹等等问题。
self._extract_text(soup.select_one(".content"))
。safew官方版本下载对此有专业解读
if (n <= 1) return;，更多细节参见雷电模拟器官方版本下载
The guest runs in a separate virtual address space enforced by the CPU hardware. A bug in the guest kernel cannot access host memory because the hardware prevents it. The host kernel only sees the user-space process. The attack surface is the hypervisor and the Virtual Machine Monitor, both of which are orders of magnitude smaller than the full kernel surface that containers share.，详情可参考91视频