diff --git a/autoload/SpaceVim/api/vim/key.vim b/autoload/SpaceVim/api/vim/key.vim
index 6153c54e9..c0c737b5f 100644
--- a/autoload/SpaceVim/api/vim/key.vim
+++ b/autoload/SpaceVim/api/vim/key.vim
@@ -10,6 +10,12 @@ function! s:self.nr2name(nr) abort
     if type(a:nr) == 0
         if a:nr == 32
             return 'SPC'
+        elseif a:nr == 4
+            return '<C-d>'
+        elseif a:nr == 9
+            return '<Tab>'
+        elseif a:nr == 27
+            return '<Esc>'
         else
             return nr2char(a:nr)
         endif
diff --git a/autoload/SpaceVim/layers/core/statusline.vim b/autoload/SpaceVim/layers/core/statusline.vim
index 3805bb56f..96b6ef451 100644
--- a/autoload/SpaceVim/layers/core/statusline.vim
+++ b/autoload/SpaceVim/layers/core/statusline.vim
@@ -222,6 +222,8 @@ function! SpaceVim#layers#core#statusline#get(...) abort
                     \ . '%#SpaceVim_statusline_c# %{SpaceVim#plugins#flygrep#lineNr()}'
     elseif &filetype ==# 'TransientState'
         return '%#SpaceVim_statusline_a# Transient State %#SpaceVim_statusline_a_SpaceVim_statusline_b#'
+    elseif &filetype ==# 'HelpDescribe'
+        return '%#SpaceVim_statusline_a# HelpDescribe %#SpaceVim_statusline_a_SpaceVim_statusline_b#'
     endif
     if a:0 > 0
         return s:active()
diff --git a/autoload/SpaceVim/mapping/space.vim b/autoload/SpaceVim/mapping/space.vim
index 53cbadb57..8473c555e 100644
--- a/autoload/SpaceVim/mapping/space.vim
+++ b/autoload/SpaceVim/mapping/space.vim
@@ -63,7 +63,13 @@ function! SpaceVim#mapping#space#init() abort
   call SpaceVim#mapping#space#def('nnoremap', ['w', 'u'], 'call SpaceVim#plugins#windowsmanager#UndoQuitWin()', 'undo quieted window', 1)
   call SpaceVim#mapping#space#def('nnoremap', ['w', 'U'], 'call SpaceVim#plugins#windowsmanager#RedoQuitWin()', 'redo quieted window', 1)
   nnoremap <silent> [SPC]bn :bnext<CR>
-  let g:_spacevim_mappings_space.b.n = ['bnext', 'next buffer']
+  let g:_spacevim_mappings_space.b.n = ['bnext', 'next buffer',
+        \ [
+        \ 'SPC b n is running :bnext, jump to next buffer',
+        \ 'which is a vim build in command',
+        \ 'It is bound to SPC b n, ] b,',
+        \ ]
+        \ ]
   call SpaceVim#mapping#menu('Open next buffer', '[SPC]bn', 'bp')
   nnoremap <silent> [SPC]bp :bp<CR>
   let g:_spacevim_mappings_space.b.p = ['bp', 'previous buffer']
@@ -260,13 +266,29 @@ function! SpaceVim#mapping#space#def(m, keys, cmd, desc, is_cmd, ...) abort
     endif
   endif
   if len(a:keys) == 2
-    let g:_spacevim_mappings_space[a:keys[0]][a:keys[1]] = [lcmd, a:desc]
+    if type(a:desc) == 1
+      let g:_spacevim_mappings_space[a:keys[0]][a:keys[1]] = [lcmd, a:desc]
+    else
+      let g:_spacevim_mappings_space[a:keys[0]][a:keys[1]] = [lcmd, a:desc[0], a:desc[1]]
+    endif
   elseif len(a:keys) == 3
-    let g:_spacevim_mappings_space[a:keys[0]][a:keys[1]][a:keys[2]] = [lcmd, a:desc]
+    if type(a:desc) == 1
+      let g:_spacevim_mappings_space[a:keys[0]][a:keys[1]][a:keys[2]] = [lcmd, a:desc]
+    else
+      let g:_spacevim_mappings_space[a:keys[0]][a:keys[1]][a:keys[2]] = [lcmd, a:desc[0], a:desc[1]]
+    endif
   elseif len(a:keys) == 1
-    let g:_spacevim_mappings_space[a:keys[0]] = [lcmd, a:desc]
+    if type(a:desc) == 1
+      let g:_spacevim_mappings_space[a:keys[0]] = [lcmd, a:desc]
+    else
+      let g:_spacevim_mappings_space[a:keys[0]] = [lcmd, a:desc[0], a:desc[1]]
+    endif
+  endif
+  if type(a:desc) == 1
+    call SpaceVim#mapping#menu(a:desc, '[SPC]' . join(a:keys, ''), lcmd)
+  else
+    call SpaceVim#mapping#menu(a:desc[0], '[SPC]' . join(a:keys, ''), lcmd)
   endif
-  call SpaceVim#mapping#menu(a:desc, '[SPC]' . join(a:keys, ''), lcmd)
   call extend(g:_spacevim_mappings_prefixs['[SPC]'], get(g:, '_spacevim_mappings_space', {}))
 endfunction
 
diff --git a/autoload/SpaceVim/plugins/help.vim b/autoload/SpaceVim/plugins/help.vim
index 14126cb37..032ae557e 100644
--- a/autoload/SpaceVim/plugins/help.vim
+++ b/autoload/SpaceVim/plugins/help.vim
@@ -26,6 +26,7 @@ function! SpaceVim#plugins#help#describe_key()
             let root = root[name]
             if type(root) == 3
                 if len(root) == 3
+                    redraw!
                     call s:open_describe_buffer(root[-1])
                 else
                     call s:build_mpt(['can not find describe for ', join(keys, ' - ')])
@@ -36,7 +37,9 @@ function! SpaceVim#plugins#help#describe_key()
             endif
         else
             redraw!
+            echohl Comment
             echo   join(keys, ' - ') . ' is undfinded'
+            echohl NONE
             let definded = 0
         endif
     endwhile
@@ -44,14 +47,23 @@ endfunction
 
 function! s:build_mpt(mpt) abort
     redraw!
+    echohl Comment
     if type(a:mpt) == 1
         echo a:mpt
     elseif type(a:mpt) == 3
         echo join(a:mpt)
     endif
+    echohl NONE
 endfunction
 
 
 function! s:open_describe_buffer(desc) abort
-
+    noautocmd botright split __help_describe__
+    setlocal buftype=nofile bufhidden=wipe nobuflisted nolist noswapfile nowrap cursorline nospell nonu norelativenumber nocursorline
+    set filetype=HelpDescribe
+    call setline(1, a:desc)
+    let lines = &lines * 30 / 100
+    if lines < winheight(0)
+        exe 'resize ' . lines
+    endif
 endfunction