Android7.1 git更新报错

papillondog

按照官网更新
git remote rm origin
git remote add gitlab https://gitlab.com/TeeFirefly/FireNow-Nougat.git
git pull gitlab firefly-rk3399:firefly-rk3399

报错如下，如何解决？
git remote rm origin
error: Could not remove config section 'remote.origin'
root@ubuntu:~/Desktop/RK399_Android7.1.2# git remote add gitlab https://gitlab.com/TeeFirefly/FireNow-Nougat.git  
fatal: remote gitlab already exists.
root@ubuntu:~/Desktop/RK399_Android7.1.2# git pull gitlab firefly-rk3399:firefly-rk3399
The authenticity of host 'gitlab.com (52.167.219.168)' can't be established.
ECDSA key fingerprint is f1:d0:fb:46:73:7a:70:92:5a:ab:5d:ef:43:e2:1c:35.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'gitlab.com,52.167.219.168' (ECDSA) to the list of known hosts.
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.