[Badcase]: 使用Qwen2-7b翻译中文，有额外的输出

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Model Series

Qwen2

What are the models used?

Qwen2-7B

What is the scenario where the problem happened?

使用Qwen2-7B进行翻译文本，回复答案总是出现额外的数学推理的文本，

Is this badcase known and can it be solved using avaiable techniques?

• I have followed the GitHub README.
• I have checked the Qwen documentation and cannot find a solution there.
• I have checked the documentation of the related framework and cannot find useful information.
• I have searched the issues and there is not a similar one.

Information about environment

OS: Ubuntu 22.04
Python: Python 3.11
GPUs: GTX3090
NVIDIA driver: 535 (from nvidia-smi)
CUDA compiler: 12.1 (from nvcc -V)
PyTorch: 2.4.1+cu121

Description

Steps to reproduce

This happens to Qwen2.5-7B
The badcase can be reproduced as follows:

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use instruct