一、Generating a new SSH key

1、Open Git Bash.

2、Paste the text below, substituting in your GitHub email address.

$ ssh-keygen -t ed25519 -C "1270001737@qq.com"

This creates a new ssh key, using the provided email as a label.
Generating public/private ed25519 key pair.

二、Adding your SSH key to the ssh-agent

start the ssh-agent in the background

$ eval ssh-agent -s