diff --git a/autoload/SpaceVim.vim b/autoload/SpaceVim.vim
index 4c146da73..9077cfc1b 100644
--- a/autoload/SpaceVim.vim
+++ b/autoload/SpaceVim.vim
@@ -482,9 +482,14 @@ let g:spacevim_simple_mode             = 0
 " The default file manager of SpaceVim. Default is 'vimfiler'.
 let g:spacevim_filemanager             = 'vimfiler'
 ""
-" The default plugin manager of SpaceVim. Default is 'dein'.
+" The default plugin manager of SpaceVim.
+" if has patch 7.4.2071, the default value is dein. Otherwise it is neobundle.
 " Options are dein, neobundle, or vim-plug.
-let g:spacevim_plugin_manager          = 'dein'
+if has('patch-7.4.2071')
+  let g:spacevim_plugin_manager          = 'dein'
+else
+  let g:spacevim_plugin_manager          = 'neobundle'
+endif
 
 ""
 " @section plugin_manager_processes, options-plugin_manager_processes
diff --git a/autoload/SpaceVim/commands.vim b/autoload/SpaceVim/commands.vim
index e50a45dac..a492ba254 100644
--- a/autoload/SpaceVim/commands.vim
+++ b/autoload/SpaceVim/commands.vim
@@ -63,7 +63,11 @@ endfunction
 " @vimlint(EVL103, 1, a:CmdLine)
 " @vimlint(EVL103, 1, a:CursorPos)
 function! SpaceVim#commands#complete_plugin(ArgLead, CmdLine, CursorPos) abort
-  return join(keys(dein#get()) + ['SpaceVim'], "\n")
+  if g:spacevim_plugin_manager ==# 'dein'
+    return join(keys(dein#get()) + ['SpaceVim'], "\n")
+  elseif g:spacevim_plugin_manager ==# 'neobundle'
+    return join(map(neobundle#config#get_neobundles(), 'v:val.name'), "\n")
+  endif
 endfunction
 " @vimlint(EVL103, 0, a:ArgLead)
 " @vimlint(EVL103, 0, a:CmdLine)
@@ -98,6 +102,11 @@ endfunction
 
 function! SpaceVim#commands#update_plugin(...) abort
   if g:spacevim_plugin_manager ==# 'neobundle'
+    if a:0 == 0
+      call SpaceVim#plugins#manager#update()
+    else
+      call SpaceVim#plugins#manager#update(a:000)
+    endif
   elseif g:spacevim_plugin_manager ==# 'dein'
     if a:0 == 0
       call SpaceVim#plugins#manager#update()
@@ -118,11 +127,16 @@ endfunction
 
 function! SpaceVim#commands#install_plugin(...) abort
   if g:spacevim_plugin_manager ==# 'neobundle'
+    if a:0 == 0
+      call SpaceVim#plugins#manager#install()
+    else
+      call SpaceVim#plugins#manager#install(a:000)
+    endif
   elseif g:spacevim_plugin_manager ==# 'dein'
     if a:0 == 0
       call SpaceVim#plugins#manager#install()
     else
-      call dein#install(a:000)
+      call SpaceVim#plugins#manager#install(a:000)
     endif
   elseif g:spacevim_plugin_manager ==# 'vim-plug'
   endif
diff --git a/autoload/SpaceVim/plugins/manager.vim b/autoload/SpaceVim/plugins/manager.vim
index fc2ef8776..80fdd6e3d 100644
--- a/autoload/SpaceVim/plugins/manager.vim
+++ b/autoload/SpaceVim/plugins/manager.vim
@@ -106,14 +106,25 @@ function! s:need_cmd(cmd) abort
   endif
 endfunction
 
-function! s:get_uninstalled_plugins() abort
-  return filter(values(dein#get()), '!isdirectory(v:val.path)')
-endfunction
+if g:spacevim_plugin_manager ==# 'neobundle'
+  function! s:get_uninstalled_plugins() abort
+    return filter(neobundle#config#get_neobundles(), '!isdirectory(v:val.path)')
+  endfunction
+elseif g:spacevim_plugin_manager ==# 'dein'
+  function! s:get_uninstalled_plugins() abort
+    return filter(values(dein#get()), '!isdirectory(v:val.path)')
+  endfunction
+endif
 
-
-function! SpaceVim#plugins#manager#reinstall(...) abort
-  call dein#reinstall(a:1)
-endfunction
+if g:spacevim_plugin_manager ==# 'neobundle'
+  function! SpaceVim#plugins#manager#reinstall(...) abort
+    call neobundle#commands#reinstall(a:1)
+  endfunction
+elseif g:spacevim_plugin_manager ==# 'dein'
+  function! SpaceVim#plugins#manager#reinstall(...) abort
+    call dein#reinstall(a:1)
+  endfunction
+endif
 
 
 " @vimlint(EVL102, 1, l:i)
@@ -152,7 +163,11 @@ function! SpaceVim#plugins#manager#install(...) abort
   let s:start_time = reltime()
   for i in range(g:spacevim_plugin_manager_processes)
     if !empty(s:plugins)
-      let repo = dein#get(s:LIST.shift(s:plugins))
+      if g:spacevim_plugin_manager ==# 'dein'
+        let repo = dein#get(s:LIST.shift(s:plugins))
+      elseif g:spacevim_plugin_manager ==# 'neobundle'
+        let repo = neobundle#get(s:LIST.shift(s:plugins))
+      endif
       if !empty(repo)
         call s:install(repo)
       endif
@@ -184,7 +199,12 @@ function! SpaceVim#plugins#manager#update(...) abort
   if exists('s:recache_done')
     unlet s:recache_done
   endif
-  let s:plugins = a:0 == 0 ? sort(keys(dein#get())) : sort(copy(a:1))
+  if g:spacevim_plugin_manager ==# 'dein'
+    let s:plugins = a:0 == 0 ? sort(keys(dein#get())) : sort(copy(a:1))
+  elseif g:spacevim_plugin_manager ==# 'neobundle'
+    let s:plugins = a:0 == 0 ? sort(map(neobundle#config#get_neobundles(), 'v:val.name')) : sort(copy(a:1))
+  elseif g:spacevim_plugin_manager ==# 'vim-plug'
+  endif
   if a:0 == 0
     call add(s:plugins, 'SpaceVim')
   endif
@@ -203,8 +223,13 @@ function! SpaceVim#plugins#manager#update(...) abort
   let s:start_time = reltime()
   for i in range(g:spacevim_plugin_manager_processes)
     if !empty(s:plugins)
-      let reponame = s:LIST.shift(s:plugins)
-      let repo = dein#get(reponame)
+      if g:spacevim_plugin_manager ==# 'dein'
+        let reponame = s:LIST.shift(s:plugins)
+        let repo = dein#get(reponame)
+      elseif g:spacevim_plugin_manager ==# 'neobundle'
+        let reponame = s:LIST.shift(s:plugins)
+        let repo = neobundle#get(reponame)
+      endif
       if !empty(repo)
         call s:pull(repo)
       elseif reponame ==# 'SpaceVim'
@@ -388,7 +413,7 @@ endfunction
 function! s:install(repo) abort
   let s:pct += 1
   let s:ui_buf[a:repo.name] = s:pct
-  let url = 'https://github.com/' . a:repo.repo
+  let url = 'https://github.com/' . (has_key(a:repo, 'repo') ? a:repo.repo : a:repo.orig_path)
   let argv = ['git', 'clone', '--recursive', '--progress', url, a:repo.path]
   if s:JOB.vim_job || s:JOB.nvim_job
     let jobid = s:JOB.start(argv,{
@@ -550,12 +575,18 @@ function! s:open_plugin_dir() abort
     enew
     exe 'resize ' . &lines * 30 / 100
     let shell = empty($SHELL) ? SpaceVim#api#import('system').isWindows ? 'cmd.exe' : 'bash' : $SHELL
+    if g:spacevim_plugin_manager ==# 'dein'
+      let path = dein#get(keys(plugin)[0]).path
+    elseif g:spacevim_plugin_manager ==# 'neobundle'
+      let path = neobundle#get(keys(plugin)[0]).path
+    elseif g:spacevim_plugin_manager ==# 'vim-plug'
+    endif
     if has('nvim') && exists('*termopen')
-      call termopen(shell, {'cwd' : dein#get(keys(plugin)[0]).path})
+      call termopen(shell, {'cwd' : path})
     elseif exists('*term_start')
-      call term_start(shell, {'curwin' : 1, 'term_finish' : 'close', 'cwd' : dein#get(keys(plugin)[0]).path})
+      call term_start(shell, {'curwin' : 1, 'term_finish' : 'close', 'cwd' : path})
     else
-      exe 'VimShell ' .  dein#get(keys(plugin)[0]).path
+      exe 'VimShell ' .  path
     endif
   endif
 endfunction
diff --git a/autoload/zvim/plug.vim b/autoload/zvim/plug.vim
index 282a5dbd3..eb89e9c3d 100644
--- a/autoload/zvim/plug.vim
+++ b/autoload/zvim/plug.vim
@@ -103,7 +103,13 @@ function! zvim#plug#end() abort
     if g:spacevim_plugin_manager ==# 'neobundle'
         call neobundle#end()
         if g:spacevim_checkinstall == 1
-            NeoBundleCheck
+            silent! let g:_spacevim_checking_flag = neobundle#exists_not_installed_bundles()
+            if g:_spacevim_checking_flag
+                augroup SpaceVimCheckInstall
+                    au!
+                    au VimEnter * SPInstall
+                augroup END
+            endif
         endif
     elseif g:spacevim_plugin_manager ==# 'dein'
         call dein#end()
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index 3b5388bbb..44fbbeaac 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -540,10 +540,6 @@ plugins will be installed.
                                                       *g:spacevim_filemanager*
 The default file manager of SpaceVim. Default is 'vimfiler'.
 
-                                                   *g:spacevim_plugin_manager*
-The default plugin manager of SpaceVim. Default is 'dein'. Options are dein,
-neobundle, or vim-plug.
-
                                          *g:spacevim_plugin_manager_processes*
 Set the max process of SpaceVim plugin manager
 
diff --git a/init.vim b/init.vim
index 66a1a99d5..2febcbc48 100644
--- a/init.vim
+++ b/init.vim
@@ -6,4 +6,6 @@
 " License: GPLv3
 "=============================================================================
 
+" call neobundle#get()
+
 execute 'source' fnamemodify(expand('<sfile>'), ':h').'/config/main.vim'