[Bug]: 模型选择列表的展示信息不对

### Describe the bug

<img width="318" height="142" alt="Image" src="https://github.com/user-attachments/assets/4864e298-72e5-4c0b-b670-b12632c7b41d" />

选择项是 Kimi K2，实际的值是Kimi-K2-instruct

### Reproduction

配置Kimi-K2-instruct模型后，下拉选择

### Logs

```Shell

```

### Severity

annoyance

### Additional Information

_No response_