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请问大家，我之前安装过of5x和of7，当时安装完并行计算都没有任何问题，但是我按照网站上安装教程重新安装了of8以后，在of8并行计算没问题，但是之前版本的of5x和of7均出现以下问题。请教各位这是什么原因？
并且我发现就算我没有最终安装of8，只执行之前的sudo apt update一系列命令，也会出现该问题。。。
sudo apt update
