在工作目录下：
git init
git status
git add .
git commit -m"IndoorLocation"
git status
git remote add origin git@https://github.com/HiSunny/HelloInLoc.git
git pull https://github.com/HiSunny/HelloInLoc.git master
git push https://github.com/HiSunny/HelloInLoc.git master
