本地项目目录下右键 git bash here
github上创建项目
本地项目与git项目关联
git branch --set-upstream-to=origin/https://github.com/MengFangui/wx-h5.git master
git pull
git pull origin master --allow-unrelated-histories
git branch --set-upstream-to=origin/https://github.com/MengFangui/wx-h5.git master
git pull origin master --allow-unrelated-histories