git:rejected because the tip of your current branch is behind

問題發生在向遠程push代碼時：

相信提示信息：

hint: Updates were rejected because the tip of your current branch is behind

緣由：

當前分支低於主版本

解決辦法：

sudo git push -u origin mfy -f  //其中mfy是你的分支名

這樣就就能正常提交了，截圖：