ubuntu vim compiler keyboard input up and down, left and right, the output is abnormal

0 prerequisites

 ubuntu has changed to a domestic source

1 Uninstall the old version of vim, execute the following command on the terminal

sudo apt-get remove vim-common

2 Install the new version of vim, execute the following command on the terminal

sudo apt-get install vim

 3 Test whether vim is normal

After testing, it has returned to normal.