千问加载模型报错

tokenizer = AutoTokenizer.from_pretrained("qwen/Qwen-7B-Chat", revision = 'v1.0.5',trust_remote_code=True)

错误信息：- modelscope - ERROR - Authentication token does not exist, failed to access model qwen/Qwen-7B-Chat which may not exist or may be private. Please login first.
HTTPError: Response details: {'Code': 10010200001, 'Message': '获取模型版本失败，信息：获取模失败', 'RequestId': 'dd1f3498-e07e-4e32-b691-56f505a93cf4', 'Success': False}