4 " For Vundle$                                                                                                                                                                                                                             
  5 filetype off$                                                                                                                                                                                                                             
  6 set rtp+=~/.vim/bundle/vundle$                                                                                                                                                                                                            
  7 call vundle#rc()$                                                                                                                                                                                                                         
  8 $                                                                                                                                                                                                                                         
  9 " Let Vundle manage Vandle$                                                                                                                                                                                                               
 10 Plugin 'gmarik/vundle'$                                                                                                                                                                                                                   
 11 $                                                                                                                                                                                                                                         
 12 Plugin 'honza/vim-snippets'$                                                                                                                                                                                                              
 13 Plugin 'bling/vim-airline'$                                                                                                                                                                                                               
 14 Plugin 'tpope/vim-fugitive'$                                                                                                                                                                                                              
 15 Plugin 'tpope/vim-rails.git'$                                                                                                                                                                                                             
 16 Plugin 'tomtom/tcomment_vim'$                                                                                                                                                                                                             
 17 Plugin 'altercation/vim-colors-solarized'$                                                                                                                                                                                                
 18 Plugin 'tomasr/molokai'$                                                                                                                                                                                                                  
 19 Plugin 'vim-ruby/vim-ruby'$                                                                                                                                                                                                               
 20 Plugin 'tpope/vim-surround'$                                                                                                                                                                                                              
 21 Plugin 'jiangmiao/auto-pairs'$                                                                                                                                                                                                            
 22 Plugin 'ervandew/supertab'$                                                                                                                                                                                                               
 23 Plugin 'kchmck/vim-coffee-script'$                                                                                                                                                                                                        
 24 Plugin 'kien/ctrlp.vim'$                                                                                                                                                                                                                  
 25 Plugin 'skalnik/vim-vroom'$                                                                                                                                                                                                               
 26 Plugin 'tpope/vim-dispatch'$                                                                                                                                                                                                              
 27 $                                                                                                                                                                                                                                         
 28 call vundle#end()$                                                                                                                                                                                                                        
 29 $                                                                                                                                                                                                                                         
 30 filetype plugin indent on$

为什么会抛出错误E492：不是编辑器命令：PluginInstall？