Has this been supported or requested before?

• I have checked the GitHub README.
• I have checked the Qwen documentation.
• I have checked the documentation of the related framework.
• I have searched the issues and there is not a similar one.

What is this feature about?

qwen什么时候可以支持上下文长度128K

Proposal

Introduction

I would like that ...

Rational

Implementation of this feature will help the following usecase:

• ...
• ...

Anything else

I find ... has this feature and xxx can serve as a reference for implementation.

Contributions are welcomed

• I am willing to help implement this feature.