dify - 💡(How to fix) Fix add models is error

Self Checks

• I have read the Contributing Guide and Language Policy.
• This is only for bug report, if you would like to ask a question, please head to Discussions.
• I have searched for existing issues search for existing issues, including closed ones.
• I confirm that I am using English to submit this report, otherwise it will be closed.
• 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：）
• Please do not modify this template :) and fill in all the required fields.

Dify version

1.14.2

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

<img width="1290" height="780" alt="Image" src="https://github.com/user-attachments/assets/339847ac-a8da-4fc0-8353-e8531b0d8c8b" />

✔️ Expected Behavior

1. I added a model but it didn't pass
2. I also failed to modify the existing model credentials
3. Even if I remove the VLLM plugin and reinstall, the previous model still exists The plugin_daemon I use is 0.6.1-local

❌ Actual Behavior

1. I added a model but it didn't pass
2. I also failed to modify the existing model credentials
3. Even if I remove the VLLM plugin and reinstall, the previous model still exists The plugin_daemon I use is 0.6.1-local