Git回滚到heroku上的前一次提交

Question

我需要在不触及[remote "origin"]的情况下回滚[remote "heroku"]。它们都是heroku上的实时站点。另外，我不确定这个文件（.git/config）是否正确。请帮忙。

[core]
    repositoryformatversion = 0
    filemode = false
    bare = false
    logallrefupdates = true
    ignorecase = true
    precomposeunicode = true
[remote "origin"]
    url = git@github.com:tidelake/site.git
    fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
    remote = origin
    merge = refs/heads/master
[prompt]
    showinfo = true
[remote "heroku"]
    url = https://git.heroku.com/site-new.git
  fetch = +refs/heads/*:refs/remotes/heroku/*