本地项目关联远程gitc仓库

git init

git remote add origin xxx.git


git add -A
# 拉取远程代码
git pull origin master
## 推送
git push origin master

拉取错误

fangmindeMBP:security-demos lichao$ git pull origin master
From https://gitee.com/lee26/Spring-boot-demos
 * branch            master     -> FETCH_HEAD
fatal: refusing to merge unrelated histories

 git pull origin master --allow-unrelated-histories

fangmindeMBP:security-demos lichao$ git push -u origin master
To https://gitee.com/lee26/Spring-boot-demos.git
 ! [rejected]        master -> master (non-fast-forward)
error: failed to push some refs to 'https://gitee.com/lee26/Spring-boot-demos.git'
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

解决办法 先pull最新代码，再push