Repository: open-compass/opencompass
Issue: [Bug] Please make sure  `./data/safety.txt` is correct   
Root cause: Validation Gap

### Prerequisite

- [X] I have searched [Issues](https://github.com/open-compass/opencompass/issues/) and [Discussions](https://github.com/open-compass/opencompass/discussions) but cannot get the expected help.
- [X] The bug has not been fixed in the [latest version](https://github.com/open-compass/opencompass).

### Type

I'm evaluating with the officially supported tasks/models/datasets.

### Environment

Name: opencompass
Version: 0.3.8
Summary: A comprehensive toolkit for large model evaluation
Home-page: https://github.com/open-compass/opencompass
Author: OpenCompass Contributors
Author-email: 
License: Apache License 2.0
Location: /work/opencompass
Editable project location: /work/opencompass
Requires: absl-py, accelerate, cpm_kernels, datasets, einops, evaluate, func_timeout, fuzzywuzzy, gradio-client, h5py, httpx, huggingface_hub, immutabledict, importlib-metadata, jieba, json5, jsonlines, mmengine-lite, nltk, numpy, openai, OpenCC, opencv-python-headless, pandas, prettytable, protobuf, pyext, python-Levenshtein, rank_bm25, rapidfuzz, requests, retrying, rich, rouge, rouge_chinese, rouge_score, sacrebleu, scikit_learn, seaborn, sentence_transformers, tabulate, tiktoken, timeout_decorator, tokenizers, torch, tqdm, transformers, tree-sitter, tree_sitter_languages, typer
Required-by: 

### Reproduces the problem - code/configuration sample

python run.py \
    --models vllm_qwen2p5_7b_instruct \
    --datasets  safety_gen\

### Reproduces the problem - command or script

python run.py \
    --models vllm_qwen2p5_7b_instruct \
    --datasets  safety_gen\

### Reproduces the problem - error message

Traceback (most recent call last):                                                                                                                                                 
  File "/work/opencompass/run.py", line 4, in <module>                                                                                                                             
    main()                                                                                                                                                                         
  File "/work/opencompass/opencompass/cli/main.py", line 299, in main                                                                                                              
    tasks = partitioner(cfg)                                                                                                                                                       
  File "/work/opencompass/opencompass/partitioners/base.py", line 83, in __call__                                                                                                  
    tasks = self.partition(**model_and_dataset_args,                                                                                                                               
  File "/work/opencompass/opencompass/partitioners/num_worker.py", line 69, in partition                                                                                           
    dataset_size = self.get_size(dataset)                                                                                                                                          
  File "/work/opencompass/opencompass/partitioners/num_worker.py", line 141, in get_size                                                                                           
    dataset = build_dataset_from_cfg(dataset)                                                                                                                                      
  File "/work/opencompass/opencompass/utils/build.py", line 13, in build_dataset_from_cfg                                                                                          
    return LOAD_DATASET.build(dataset_cfg)                                                                                                                                         
  File "/usr/local/lib/python3.10/dist-packages/mmengine/registry/registry.py", line 570, in build                                                                                 
    return self.build_func(cfg, *args, **kwargs, registry=self)                                                                                                                    
  File "/usr/local/lib/python3.10/dist-packages/mmengine/registry/build_functions.py", line 121, in build_from_cfg                                                                 
    obj = obj_cls(**args)  # type: ignore                                                                                                                                          
  File "/work/opencompass/opencompass/datasets/base.py", line 12, in __init__                                                                                                      
    self.dataset = self.load(**kwargs)                                                                                                                                             
  File "/work/opencompass/opencompass/datasets/safety.py", line 14, in load                                                                                                        
    path = get_data_path(path, local_mode=True)                                                                                                                                    
  File "/work/opencompass/opencompass/utils/datasets.py", line 30, in get_data_path                                                                                                
    return download_dataset(local_path, cache_dir)                                                                                                                                 
  File "/work/opencompass/opencompass/utils/datasets.py", line 90, in download_dataset                                                                                             
    assert dataset_name, f'No valid url for {data_path}!\n' + \                                                                                                                    
AssertionError: No valid url for ./data/safety.txt!                                                                                                                                
Please make sure  `./data/safety.txt` is correct   

### Other information

What is the dataset corresponding to "safety"? I have already downloaded the relevant zip file as per the documentation.