heroku error when change app name

当输入

$ git push heroku master

显示提示信息

!  Your account [email protected] does not have access to peaceful-dawn-5871.
 !  
 !  SSH Key Fingerprint: 
 *:*:*:*:*:*:*:*:*:*:*:*:*

fatal: Could not read from remote repository.

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

或提示

 !  No such app as peaceful-dawn-5871.

fatal: Could not read from remote repository.

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

解决办法

$ git remote set-url heroku [email protected]:peaceful-dawn-5871.git