打开终端 依次输入以下三条命令
curl http://github-media-downloads.s3.amazonaws.com/osx/git-credential-osxkeychain -o git-credential-osxkeychain
sudo mv git-credential-osxkeychain /usr/local/bin
chmod u+x /usr/local/bin/git-credential-osxkeychain
在项目目录下输入：
git config credential.helper osxkeychain