打开GVIM，在编辑》启动设定下，修改为下面语句：

source $VIMRUNTIME/vimrc_example.vim
source $VIMRUNTIME/mswin.vim
behave mswin
"设置行号显示
set nu!
colorscheme desert
syntax enable
syntax on
let g:winManagerWindowLayout='FileExplorer|TagList'
nmap wm :WMToggle
"启动备份
set nobackup
setlocal noswapfile
set bufhidden=hide
set wrap
set guifont=courier_new:h10
set clipboard+=unnamed
set fenc=utf-8
set fencs=utf-8,usc-bom,euc-jp,gb18030,gbk,gb2312,cp936
" 设置backup file后缀
set backupext=.bak
" 设置backup dir
set backupdir=E:/vim_bak
set diffexpr=MyDiff()
function MyDiff()
  let opt = '-a --binary '
  if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
  if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
  let arg1 = v:fname_in
  if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
  let arg2 = v:fname_new
  if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
  let arg3 = v:fname_out
  if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
  if $VIMRUNTIME =~ ' '
    if &sh =~ '\<cmd'
      if empty(&shellxquote)
        let l:shxq_sav = ''
        set shellxquote&
      endif
      let cmd = '"' . $VIMRUNTIME . '\diff"'
    else
      let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
    endif
  else
    let cmd = $VIMRUNTIME . '\diff'
  endif
  silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3
  if exists('l:shxq_sav')
    let &shellxquote=l:shxq_sav
  endif
endfunctio