there is no tracking information for the current branch. please specify which branch you want to merge with. see git-pull(1) for details. git pull <remote> <branch> if you wish to set tracking information for this branch you can do so with: git branch --set-upstream-to=origin/<branch> master

当前分支没有跟踪信息，请指定您想要合并的分支。请参阅git-pull（1）以获取详细信息。如果您希望为此分支设置跟踪信息，可以使用以下命令：git branch --set-upstream-to=origin/<branch> master。