1、failed to push some refs to

    hint: Updates were rejected because the remote contains work that you do
    hint: not have locally. This is usually caused by another repository pushing
    hint: to the same ref. You may want to first integrate the remote changes
    hint: (e.g., 'git pull ...') before pushing again.
    hint: See the 'Note about fast-forwards' in 'git push --help' for details.
    碰到这个问题，先执行git pull，

2、failed to push some refs to

    hint: Updates were rejected because the tip of your current branch is behind
    hint: its remote counterpart. Integrate the remote changes (e.g.
    hint: 'git pull ...') before pushing again.
    hint: See the 'Note about fast-forwards' in 'git push --help' for details.

   解决了上面的问题之后，再执行git push报了这个错误，在使用git push的时候如果没有加 -f会出现这个问题，加上-f之后代码成功的提交到gitblit云端服务器上

3、git bash执行命令后提示：Please enter the commit message for your changes

     这时候在当前页面输入 :wq回车就可以退出。