解决apt update失败的问题 See apt-secure(8) manpage for repository creation and user configuration details
ubuntu在apt-getupdate的时候报一下错误:错误:GPGerror:https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu1804/x86_64Release:Thefollowingsignatureswereinvalid:BADSIGF60F4B3D7FA2AF80cudatoolscudatools@nvi