Ubuntu 执行 apt-get install ××× 报错

执行apt-get install fcitx时，报以下错误

     grub-pc
    E: Sub-process /usr/bin/dpkg returned an error code (1)

经过执行下面的命令能够解决该问题：

sudo mv /var/lib/dpkg/info/ /var/lib/dpkg/info_old/

sudo mkdir /var/lib/dpkg/info/

sudo apt-get update

sudo apt-get upgrade 

sudo apt-install fcitx

sudo mv /var/lib/dpkg/info/* /var/lib/dpkg/info_old

rm -rf /var/lib/dpkg/info

sudo mv /var/lib/dpkg/info_old /var/lib/dpkg/info