v1.4.1

1. 新增功能：支持自定义快捷键，新增一些常用功能对应的快捷键，如叠加对比、视频播放与暂停等。
2. 优化体验：添加快照操作相关的提示信息。
3. 修复bug：如快照文件生成失败、视频叠加无法对比等问题。

1. Features:
   Supports custom shortcut keys, and adds shortcut keys corresponding to some common functions, such as overlay comparison, video playback and pause, etc
2. Optimization:
   Added tips related to snapshot operations
3. Bugfix:
   such as snapshot file generation failure, video overlay comparison failure, etc.