[Bug]: ERROR: argument of type 'NoneType' is not iterable (Gemini Chat Models) v0.22.0

[fleed141]

Self Checks

• [x] I have searched for existing issues search for existing issues, including closed ones.
• [x] I confirm that I am using English to submit this report (Language Policy).
• [x] Non-english title submitions will be closed directly ( 非英文标题的提交将会被直接关闭 ) (Language Policy).
• [x] Please do not modify this template :) and fill in all the required fields.

RAGFlow workspace code commit ID

RAGFlow image version

v0.22.0

Other environment information

Actual behavior

This is a error that was already present in the 0.21.1 version (#10787 )

Expected behavior

No response

Steps to reproduce

Create a chat
Set a gemini chat model as the model

Additional information

No response

[tysoncung]

I'm interested in working on this issue. Could you provide more context about what you're looking for? Any additional details about requirements or constraints would be helpful.

[DavideDelbianco]

The groups title should not use black in dark mode

[rand777gg]

Not recommended