cd C:Program FilesOracleVirtualBox
VBoxManage.exe setextradata centos8 VBoxInternal2/SharedFoldersEnableSymlinksCreate/wwwroot 1
centos8为主机名
wwwroot为共享文件夹名称
用下面命令检查出现下面类似信息时 就正常了
VBoxManage getextradata centos8 enumerate
Key: GUI/LastCloseAction, Value: Shutdown Key: GUI/LastNormalWindowPosition, Value: 539,208,800,651 Key: VBoxInternal2/SharedFoldersEnableSymlinksCreate/wwwroot, Value: 1