Dear Developer, I am very grateful for your development.
親愛的開發者，我非常感謝你的開發。

May I provide some feedback? I hope you can add a shortcut key feature.
我能不能提供一點意見，我希望能增加一個快捷鍵的功能。

This feature can be set in Manage extensions > Manage extension Shortcuts.
這個功能可以設定在 Manage extensions > Manage extension Shortcuts。

I deeply appreciate the convenience your tool has brought us. It is really very useful.
非常感激您的工具所帶給我們的便利，真的非常好用。