// 账户设置

    git config --global user.name "ZeyFra"

    git config --global user.email "zeyfra@163.com"

    // 初次创建仓库和提交

    git init

    touch README.md

    git add README.md

    git commit -m "message"

    git remote add origin https://gitee.com/zeyfra/xxx.git

    git push -u origin master

    // 已有仓库提交

    git remote add origin https://gitee.com/zeyfra/xxx.git

    git push -u origin master

    // ! [rejected] master -> master (fetch first)

    git pull

    git push origin master

    // ! [rejected] master -> master (fetch first)

    git pull origin master --allow-unrelated-histories  //把远程仓库和本地同步，消除差异

    git add .

    git commit -m "message"

    git push origin master