关于插槽

1.有几个地方可以再添加插槽

![Image](https://github.com/user-attachments/assets/6fceaa6e-5d20-4bca-becc-a4ec699efc3c)

![Image](https://github.com/user-attachments/assets/42d6b41c-ef5c-45de-b72b-218d6b9ee60f)

2.侧边栏的插槽

![Image](https://github.com/user-attachments/assets/9c09e14a-18a4-40ce-a118-031d62c294b9)
