因为当前使用的图片查看器在浏览竖版图片时，在横屏情况下浏览体验非常差，AKA For the current Image Viewer has a very poor browsing experience when browsing vertical images in landscape mode, AKA
👉运行方法/To run the app:
flet run
✏待办/ToDoList:
- 快捷键/hotkey
- 文件夹/DIR
- 图片自适应（自适应排版，竖版图像在横屏时自动切割...）/adaptive (adaptive layout, vertical images are automatically cropped in landscape mode)
- ....