I invoke the pipeline editor, it prompts me with the message "You need to register this public SSH key with your Git server to continue"

Using Jenkins
1

Bosses, Help needed.

When I create a new pipeline using the Blue Ocean plugin, even after I have properly configured the key pair and set up password-free login, as soon as I invoke the pipeline editor, it prompts me with the message “You need to register this public SSH key with your Git server to continue”.

This video can reproduce my problem：
blueocean/connect to git.mp4 at 18f32fb7ef02e64275d16bbcc65d51236d8f1e73 · gigafiles/blueocean · GitHub