我尝试检查是否有断线，sources.list但似乎没有。它只是说Malformed entry 57 in list file /etc/apt/sources.list (component) The list of sources could not be read.
我对 Linux 也还很陌生，我刚刚安装了它，我的电脑上没有任何东西，所以如果需要的话我可以重新安装它。
第 53 至 66 行如下：
# This system was installed using small removable media
# (e.g. netinst, live or single CD). The matching "deb cdrom"
# entries were disabled at the end of the installation process.
# For information about how to configure apt package sources,
deb https://dl.winehq.org/wine-builds/ubuntu/eoan main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/eoan main
deb https://dl.winehq.org/wine-builds/ubuntu/ eoan main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ eoan main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ eoan main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ eoan main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ eoan main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/eoan main
# see the sources.list(5) manual.
`
答案1
空间很重要：
这个会失败：
deb https://dl.winehq.org/wine-builds/ubuntu/eoan main
这个将会成功：
deb https://dl.winehq.org/wine-builds/ubuntu/ eoan main
看到不同？
请注意，当您修正拼写错误时，您可能会用另一个问题（重复）替换一个问题（拼写错误）。重复也会导致警告消息（不是错误）。删除完全相同的重复项。