I am running into this error of: 我遇到以下错误：
$ git push heroku master Warning: Permanently added the RSA host key for IP address '18.104.22.168' to the list of known hosts. ! Your key with fingerprint b7:fd:15:25:02:8e:5f:06:4f:1c:af:f3:f0:c3:c2:65 is not authorized to access bitstarter.
I tried to add the keys and I get this error below: 我试图添加密钥，但在下面出现此错误：
$ ssh-add ~/.ssh/id_rsa.pub Could not open a connection to your authentication agent.