本地项目初次推送远端git仓库

• git init
• git add .
• git commit -m "first commit"
• git remote add origin 远程地址
• git push -u origin master
• 远端仓库有文件需要多操作

异常信息：
 * branch            master     -> FETCH_HEAD
fatal: refusing to merge unrelated histories

git pull origin master --allow-unrelated-histories