diff --git a/README.md b/README.md
index f08007e11..d90c6cf8a 100644
--- a/README.md
+++ b/README.md
@@ -140,7 +140,7 @@ vim's origin local leader can be used in all the mode.
 ##### windows function leader, default : `s`
 windows function leader can only be used in normal mode.
 ##### unite work flow leader, default : `f`
-unite work flow leader can only be used in normal mode.
+unite work flow leader can only be used in normal mode. unite leader need unite groups.
 
 #### Unite centric work-flow
 - List all the plugins has been installed, fuzzy find what you want,
diff --git a/autoload/SpaceVim/mapping/leader.vim b/autoload/SpaceVim/mapping/leader.vim
index b86e88f52..5f548e509 100644
--- a/autoload/SpaceVim/mapping/leader.vim
+++ b/autoload/SpaceVim/mapping/leader.vim
@@ -15,3 +15,7 @@ function! SpaceVim#mapping#leader#defindWindowsLeader(key) abort
         call zvim#util#defineMap('nnoremap <silent>', '[Window]q', ':<C-u>close<CR>', 'Close current windows','close')
     endif
 endfunction
+
+function! SpaceVim#mapping#leader#defindUniteLeader(key) abort
+    
+endfunction