修改配置文件 vimrc
加上如下代碼：
set encoding=utf-8
set termencoding=utf-8
set fileencoding=chinese
set fileencodings=ucs-bom,utf-8,chinese
set langmenu=zh_CN.utf-8
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim
language messages zh_cn.utf-8
language messages zh_cn.utf-8