运行Infer.sh报错

[godcmappalling]

按照README.md的方式运行Infer.sh，报错如下：
###infering###
((), (), (), ()) tensor([0, 0, 0, 0], device='cuda:0')
Traceback (most recent call last):
File "/home/pxc/Cornucopia-LLaMA-Fin-Chinese/infer.py", line 168, in
main()
File "/home/pxc/Cornucopia-LLaMA-Fin-Chinese/infer.py", line 154, in main
infer_from_json(args.instruct_dir)
File "/home/pxc/Cornucopia-LLaMA-Fin-Chinese/infer.py", line 145, in infer_from_json
model_output = evaluate(instruction)
File "/home/pxc/Cornucopia-LLaMA-Fin-Chinese/infer.py", line 120, in evaluate
generation_output = model.generate(
File "/home/zengbo/anaconda3/envs/Cornucopia/lib/python3.10/site-packages/peft-0.5.0.dev0-py3.10.egg/peft/peft_model.py", line 1002, in generate
File "/home/zengbo/anaconda3/envs/Cornucopia/lib/python3.10/site-packages/torch/autograd/grad_mode.py", line 27, in decorate_context
return func(*args, **kwargs)
File "/home/zengbo/anaconda3/envs/Cornucopia/lib/python3.10/site-packages/transformers/generation/utils.py", line 1628, in generate
return self.beam_search(
File "/home/zengbo/anaconda3/envs/Cornucopia/lib/python3.10/site-packages/transformers/generation/utils.py", line 3010, in beam_search
beam_indices = tuple((beam_indices[beam_idx[i]] + (beam_idx[i],) for i in range(len(beam_indices))))
File "/home/zengbo/anaconda3/envs/Cornucopia/lib/python3.10/site-packages/transformers/generation/utils.py", line 3010, in
beam_indices = tuple((beam_indices[beam_idx[i]] + (beam_idx[i],) for i in range(len(beam_indices))))
IndexError: tuple index out of range

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如果直接输出模型结果，不适用model.generate()，output中有大量nan。
请问是什么原因？谢谢