在AI生成素材时，点击优化提示词，提示：Failed to parse JSON

1. 已经正常对接openai，并可以正常生成图
2. 点击优化提示词时，提示Failed to parse JSON

<img width="1064" height="994" alt="Image" src="https://github.com/user-attachments/assets/4e9bab37-594a-4637-82e0-98fe033e7dd3" />

下面是我的设置

<img width="1695" height="903" alt="Image" src="https://github.com/user-attachments/assets/e6c02df0-08a5-4f4e-95f6-25319401fc91" />