.vimrc 下加入如下代码即可。研究好久才找到 md
let g:ctrlp_open_multiple_files = 'ij'
let g:ctrlp_extensions = ['tag', 'buffertag', 'quickfix', 'dir', 'rtscript', 'undo', 'line', 'changes', 'mixed', 'bookmarkdir']
let g:ctrlp_cache_dir = $HOME.'/.cache/ctrlp'
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ctrlp之后 按F5 能够进入缓存