About the license

[haotian-liu]

Dear authors,

Thank you for sharing your code and contributions. I would like to use your code in my project, while there is no LICENSE present in your repository. May I ask in what ways we could use or modify the code, and it wouild be great if you could add the license to the repository.

Thank you so much!

[uyzhang]

I have already added it, just use it directly.