老师您好 默认模型无法锁定，重启之后会变成sonnet，主题重启之后也变成默认 <img width="1315" height="991" alt="Image" src="https://github.com/user-attachments/assets/2dbc910c-c29c-4535-80d9-07ad643987d8" /> <img width="1315" height="991" alt="Image" src="https://github.com/user-attachments/assets/a1ab11f7-872a-4f27-b757-e46496c12924" />
