Weight download error, cannot be used

[gyyyd]

(xraygpt) PS C:\Users\lenovo\Desktop\XrayGPT-main> python demo.py --cfg-path eval_configs/xraygpt_eval.yaml --gpu-id 0
Initializing Chat
Loading VIT
Traceback (most recent call last):
File "C:\Users\lenovo\Desktop\XrayGPT-main\demo.py", line 60, in
model = model_cls.from_config(model_config).to('cuda:{}'.format(args.gpu_id))
File "C:\Users\lenovo\Desktop\XrayGPT-main\xraygpt\models\mini_gpt4.py", line 358, in from_config
model = cls(
File "C:\Users\lenovo\Desktop\XrayGPT-main\xraygpt\models\mini_gpt4.py", line 71, in init
self.visual_encoder, self.ln_vision = self.init_vision_encoder(
File "C:\Users\lenovo\Desktop\XrayGPT-main\xraygpt\models\blip2.py", line 65, in init_vision_encoder
visual_encoder = create_eva_vit_g(
File "C:\Users\lenovo\Desktop\XrayGPT-main\xraygpt\models\eva_vit.py", line 433, in create_eva_vit_g
state_dict = torch.load(cached_file, map_location="cpu")
File "D:\anaconda3\envs\xraygpt\lib\site-packages\torch\serialization.py", line 797, in load
with _open_zipfile_reader(opened_file) as opened_zipfile:
File "D:\anaconda3\envs\xraygpt\lib\site-packages\torch\serialization.py", line 283, in init
super().init(torch._C.PyTorchFileReader(name_or_buffer))
RuntimeError: PytorchStreamReader failed reading zip archive: failed finding central directory