Bug: 代码框过长无法自动换行

如图：

<img width="828" height="101" alt="Image" src="https://github.com/user-attachments/assets/0e139984-4120-454b-a46d-d05712ab0a0d" />

CCF 版本的：

<img width="1029" height="171" alt="Image" src="https://github.com/user-attachments/assets/1a830fff-5bff-4791-a63a-252cba56d299" />