在学习廖老师git教程之多人协作模块时按照老师的操作先创建了另一个目录,然后在这个目录下从GitHub上clone了 learngit目录到这个目录下,同样的执行了git branch查看分支情况,确实是只有master,然后执行:git checkout -b dev origin/dev命令之后就报出了:"fatal: Cannot update paths and switch to branch 'dev' at the same time. Did you intend to chec…