1.在左侧菜单打开system setting窗口
2.打开system类别下的software sources
3.Ubuntu software选项卡下的Download from:选择other
4.在choose a download server下找到china,选择展开目录下的mirrors.163.com
1.在左侧菜单打开system setting窗口
2.打开system类别下的software sources
3.Ubuntu software选项卡下的Download from:选择other
4.在choose a download server下找到china,选择展开目录下的mirrors.163.com
https://www.bilibili.com/video/BV1k8411575T/?vd_source=d68ed178f151e80fea1e02efd205802c