[2noise/ChatTTS]自定义音色后生成的wav文件是空的，请教下大佬们

我的代码：

import ChatTTS
import torch
import scipy
from typing import Optional
import torchaudio
from tools.audio import load_audio

chat = ChatTTS.Chat()
chat.load(compile=False)

def on_upload_sample(sample_audio_input: Optional[str]) -> str:
    if sample_audio_input is None:
        return ""
    sample_audio = torch.tensor(load_audio(sample_audio_input, 24000)).to('cpu')
    spk_smp = chat.sample_audio_speaker(sample_audio)
    del sample_audio
    return spk_smp

spk_smb = on_upload_sample("./output.wav")

texts = ["舞台上的光线巨大而苍白，仿佛白色的巨人向他压来。他屏住呼吸，等待着考官公布成绩。"]

params_refine_text = ChatTTS.Chat.RefineTextParams(
    prompt='[oral_2][laugh_0][break_6]',
)

reftext = chat.infer(texts[0], refine_text_only=True)

params_infer_code = ChatTTS.Chat.InferCodeParams(
    txt_smp=reftext,
    spk_smp=spk_smb,
    top_P=0.7,
    top_K=20
)
wavs = chat.infer(texts, params_infer_code=params_infer_code, params_refine_text=params_refine_text)

for i in range(len(wavs)):
    """
    In some versions of torchaudio, the first line works but in other versions, so does the second line.
    """
    try:
        torchaudio.save(f"out_{i}.wav", torch.from_numpy(wavs[i]).unsqueeze(0), 24000)
    except:
        torchaudio.save(f"out_{i}.wav", torch.from_numpy(wavs[i]), 24000)

这个合成的wav文件是空的，并且在运行过程中会报以下内容，没找到原因：

text:   0%|▏                                                                        | 1/384(max) [00:00,  6.77it/s]
We detected that you are passing `past_key_values` as a tuple of tuples. This is deprecated and will be removed in
v4.47. Please convert your cache or use an appropriate `Cache` class (https://huggingface.co/docs/transformers/kv_c
ache#legacy-cache-format)
text:   8%|█████▍                                                                  | 29/384(max) [00:00, 63.18it/s]
text:  11%|████████▎                                                               | 44/384(max) [00:00, 99.32it/s]
code:   0%|                                                                            | 0/2048(max) [00:00, ?it/s]
unexpected end at index [0]

regenerate in order to ensure non-empty
code:   0%|▏                                                                       | 4/2048(max) [00:00, 47.68it/s]