git network error

unable to access SSL_ERROR_SYSCALL / Failure when receiving data from the peer

修改git config里面http.proxy / https.proxy

git config --global -e

git config --global http.proxy 127.0.0.1:7890
git config --global https.proxy 127.0.0.1:7890

https://hyperzsb.io/posts/git-ssl-error/

Recv failure: Connection reset by peer

刷新网络重新发送命令
或者：

git config --global --unset https.proxy
git config --global --unset http.proxy

error: remote origin already exists

查看目前的远端分支git remote -v

return not only the names of each remote but also its URLs
重新编辑远端分支
edit the remote origin again

git remote set-url origin https://github.com/xx/xxx.git

https://www.cloudbees.com/blog/remote-origin-already-exists-error

fatal: couldn't find remote ref master

查看当前分支，使用正确的分支名
see the correct branch name to use

git branch -vv # BranchName
git pull origin BranchName 

fatal: refusing to merge unrelated histories

git pull origin main --allow-unrelated-histories