由于连接问题，GitHub孤儿提交或历史记录

Question

今天我尝试同步主和开发分支。代码位于GitHub的私有存储库中。我正在使用此处描述的git工作流程：http://nvie.com/posts/a-successful-git-branching-model/

在同步之前，我已将修补程序分支合并到主：

$ git status
On branch master
Your branch is up-to-date with 'origin/master'.
nothing to commit, working directory clean

$ git pull origin master
From https://github.com/xxx/xxx
 * branch            master     -> FETCH_HEAD
Already up-to-date.

$ git checkout develop
Switched to branch 'develop'
Your branch is up-to-date with 'origin/develop'.

$ git status
On branch develop
Your branch is up-to-date with 'origin/develop'.
nothing to commit, working directory clean

$ git merge --no-ff master
Merge made by the 'recursive' strategy.
 test.file | 2 ++
 1 file changed, 2 insertions(+)

$ git status
On branch develop
Your branch is ahead of 'origin/develop' by 3 commits.
  (use "git push" to publish your local commits)
nothing to commit, working directory clean

当我试图将我的本地开发分支推送到远程时，我收到了这个错误：

$ git push origin develop
Counting objects: 1, done.
Writing objects: 100% (1/1), 232 bytes | 0 bytes/s, done.
Total 1 (delta 0), reused 0 (delta 0)
error: RPC failed; result=7, HTTP code = 0
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
Everything up-to-date

然后我再次尝试并得到了这个错误：

$ git push origin develop
fatal: unable to access 'https://github.com/xxx/xxx.git/': Failed connect to github.com:443; Operation timed out

查看GitHub网页界面，我看到： 在本地终端上使用Git CLI进行验证：

$ git checkout master
$ git log --oneline master..develop
12rt21t Merge branch 'master' into develop
12rth1t Merge branch 'master' into develop

---

我的问题是：

1）我应该担心吗？

2）我该如何解决这个问题？

3）这个分支提前2次提交，0次提交主人意味着什么？

谢谢！