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我想问一下系统恢复设置,是恢复到出厂还是重装系统前
@mm 出厂状态
@weijiz 我想问一下 怎么加呢
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 4B7C549A058F8B6B 替换掉报错的公钥