在终端中使用以下命令尝试解锁并清理apt:
sudo fuser -vki /var/lib/dpkg/lock
sudo fuser -vki /var/cache/apt/archives/lock
sudo fuser -vki /var/cache/debconf/config.dat
sudo dpkg --configure -a
sudo rm /var/lib/apt/lists/lock
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock*
sudo dpkg --configure -a
sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade
如果以上步骤无法解决问题,也可以尝试重启系统并重新运行这些命令。