git clone ssh地址时一直提示Permission denied, please try again

1.执行：

eval `ssh-agent -s`

否则，执行ssh-add时会出现错误提示：Could not open a connection to your authentication agent.

2.执行

ssh-add ~/id_rsa

即 /c/Users/xxx/.ssh/id_rsa

3.git clone git@gitlab:XXX.git