base fix

[kongtiaowang]

Description

Checklist

Mandatory files and elements:

• A README.md file, at the root of the dataset
• A DATS.json file, at the root of the dataset
• If configuration is required (for instance to enable a special remote), a config.sh script at the root of the dataset
• A DOI (see instructions in contribution guide, and corresponding badge in README.md

Functional checks:

• Dataset can be installed using DataLad, recursively if it has sub-datasets
• Every data file has a URL
• Every data file can be retrieved or requires authentication
• DATS.json is a valid DATs model
• If dataset is derived data, raw data is a sub-dataset

Related issues (optional)