How to Delete Github Repo? i input current text but nothing happened.

[chenxi-Eumenides]

i fork from other repo, but i dont need it. so i try to delete this repo.

nothing happened when i input current text. the button didnt allow me click. i try more than once. can anyone help me?

[chenxi-Eumenides]

sorry, i close all Tampermonkey script and it work