diff --git a/autoload/SpaceVim.vim b/autoload/SpaceVim.vim
index 9abb2f84d..18ca57716 100644
--- a/autoload/SpaceVim.vim
+++ b/autoload/SpaceVim.vim
@@ -86,8 +86,12 @@ let g:spacevim_plugin_bundle_dir
 " <
 let g:spacevim_realtime_leader_guide   = 0
 ""
-" Enable/Disable key frequency catching of SpaceVim.
-let g:spacevim_enable_key_frequency = 1
+" Enable/Disable key frequency catching of SpaceVim. default value is 0. to
+" enable it:
+" >
+"   let g:spacevim_enable_key_frequency = 1
+" <
+let g:spacevim_enable_key_frequency = 0
 let g:spacevim_autocomplete_method     = ''
 let g:spacevim_enable_cursorcolumn     = 0
 ""
diff --git a/autoload/SpaceVim/mapping.vim b/autoload/SpaceVim/mapping.vim
index e5753013c..66e65aba1 100644
--- a/autoload/SpaceVim/mapping.vim
+++ b/autoload/SpaceVim/mapping.vim
@@ -38,7 +38,11 @@ function! SpaceVim#mapping#def(type, key, value, ...) abort
     let gexe = substitute(gexe, '<Esc>', "\<Esc>", 'g')
   else
   endif
-  exec a:type . ' ' . a:key . ' ' . a:value
+  if g:spacevim_enable_key_frequency
+    exec a:type . ' <expr> ' . a:key . " SpaceVim#mapping#frequency#update('" . a:key . "', '" . a:value . "')"
+  else
+    exec a:type . ' ' . a:key . ' ' . a:value
+  endif
   if a:0 > 0
     let desc = a:1
     let description = '➤ '
diff --git a/autoload/SpaceVim/mapping/frequency.vim b/autoload/SpaceVim/mapping/frequency.vim
index 31211c3c5..83b24d2ef 100644
--- a/autoload/SpaceVim/mapping/frequency.vim
+++ b/autoload/SpaceVim/mapping/frequency.vim
@@ -1,11 +1,12 @@
 let s:data = {}
 
-function! SpaceVim#mapping#frequency#update(key) abort
+function! SpaceVim#mapping#frequency#update(key, rhs) abort
     if has_key(s:data, a:key)
         let s:data[a:key] += 1
     else
         let s:data[a:key] = 1
     endif
+    return a:rhs
 endfunction
 
 function! SpaceVim#mapping#frequency#view(keys) abort
@@ -17,6 +18,9 @@ function! SpaceVim#mapping#frequency#view(keys) abort
         endfor
     endif
 endfunction
+function! SpaceVim#mapping#frequency#viewall() abort
+    echo string(s:data)
+endfunction
 
 function! s:get(key) abort
     if has_key(s:data, a:key)
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index 60d45a3d3..ca1126378 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -117,7 +117,11 @@ Enable/Disable realtime leader guide. Default is 0.
 <
 
                                              *g:spacevim_enable_key_frequency*
-Enable/Disable key frequency catching of SpaceVim.
+Enable/Disable key frequency catching of SpaceVim. default value is 0. to
+enable it:
+>
+  let g:spacevim_enable_key_frequency = 1
+<
 
                                                    *g:spacevim_enable_neomake*
 SpaceVim default checker is neomake. If you want to use syntastic, use: