### TODO/期望功能

1. [ ] Perfect the scroll bar function of `Text` class  
完善 `Text` 类的滚动条功能

2. [ ] Perfection and optimization of zoom function  
对缩放功能的完善和优化

3. [ ] Try adding support for some MarkDown syntax  
尝试增加对部分 Markdown 语法的支持

4. [ ] Implement symmetry in 3D modules  
实现 3D 模块中的对称功能

5. [ ] Enhanced projection functionality in 3D modules  
增强 3D 模块中的投影功能

6. [ ] Add more 3D spatial geometry classes  
增加更多 3D 空间几何体类

7.  [ ] Add lights and achieve simple light and shadow renderings  
添加光源，并实现简单的光影渲染的效果

### BUG/已知问题

1. [ ] Solve the bug that the vertical position of the text is wrong when the `Text` class is enlarged  
解决 `Text` 类放大时，文本纵向位置错误的 bug

2. [ ] Solve the bug that text shrinks and overflows after zooming text controls  
解决文本类控件缩放后文本产生缩水和溢出的 bug

3. [ ] Fix the bug of deletion misalignment when there is too much text in the `Text` class  
解决 `Text` 类中文本过多时删减错位的 bug

4. [ ] The position relationship between the space before and after the 3D object is still problematic at some point  
3D 对象前后空间的位置关系在某些时候仍有问题

5. [ ] When a widget is tapped, the widgets that follow it are also triggered  
点击控件时，其后面的控件也会被触发