diff --git a/autoload/SpaceVim/layers/ui.vim b/autoload/SpaceVim/layers/ui.vim
index ab69fba19..0ce143b5c 100644
--- a/autoload/SpaceVim/layers/ui.vim
+++ b/autoload/SpaceVim/layers/ui.vim
@@ -62,6 +62,9 @@ function! SpaceVim#layers#ui#config() abort
   call SpaceVim#mapping#space#def('nnoremap', ['t', 'b'], 'call call('
         \ . string(s:_function('s:toggle_background')) . ', [])',
         \ 'toggle background', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['w', '.'], 'call call('
+        \ . string(s:_function('s:win_resize_transient_state')) . ', [])',
+        \ 'windows-transient-state', 1)
   call SpaceVim#mapping#space#def('nnoremap', ['t', 'c'], 'call call('
         \ . string(s:_function('s:toggle_conceallevel')) . ', [])',
         \ 'toggle conceallevel', 1)
@@ -304,6 +307,79 @@ function! s:toggle_background() abort
     endif
 endfunction
 
+
+function! s:win_resize_transient_state() abort
+  let state = SpaceVim#api#import('transient_state') 
+  call state.set_title('Windows Resize Transient State')
+  call state.defind_keys(
+        \ {
+        \ 'layout' : 'vertical split',
+        \ 'left' : [
+        \ {
+        \ 'key' : 'H',
+        \ 'desc' : 'left',
+        \ 'func' : '',
+        \ 'cmd' : 'wincmd h',
+        \ 'exit' : 0,
+        \ },
+        \ {
+        \ 'key' : 'J',
+        \ 'desc' : 'below',
+        \ 'func' : '',
+        \ 'cmd' : 'wincmd j',
+        \ 'exit' : 0,
+        \ },
+        \ {
+        \ 'key' : 'K',
+        \ 'desc' : 'up',
+        \ 'func' : '',
+        \ 'cmd' : 'wincmd k',
+        \ 'exit' : 0,
+        \ },
+        \ {
+        \ 'key' : 'L',
+        \ 'desc' : 'right',
+        \ 'func' : '',
+        \ 'cmd' : 'wincmd l',
+        \ 'exit' : 0,
+        \ },
+        \ ],
+        \ 'right' : [
+        \ {
+        \ 'key' : 'h',
+        \ 'desc' : 'decrease width',
+        \ 'func' : '',
+        \ 'cmd' : 'vertical resize -1',
+        \ 'exit' : 0,
+        \ },
+        \ {
+        \ 'key' : 'l',
+        \ 'desc' : 'increase width',
+        \ 'func' : '',
+        \ 'cmd' : 'vertical resize +1',
+        \ 'exit' : 0,
+        \ },
+        \ {
+        \ 'key' : 'j',
+        \ 'desc' : 'decrease height',
+        \ 'func' : '',
+        \ 'cmd' : 'resize -1',
+        \ 'exit' : 0,
+        \ },
+        \ {
+        \ 'key' : 'k',
+        \ 'desc' : 'increase height',
+        \ 'func' : '',
+        \ 'cmd' : 'resize +1',
+        \ 'exit' : 0,
+        \ },
+        \ ],
+        \ }
+        \ )
+  call state.open()
+endfunction
+
+
 let s:enable_sidebar = 0
 
 function! SpaceVim#layers#ui#set_variable(var) abort
diff --git a/docs/cn/documentation.md b/docs/cn/documentation.md
index 016cbc730..cc307d59e 100644
--- a/docs/cn/documentation.md
+++ b/docs/cn/documentation.md
@@ -1010,6 +1010,7 @@ Denite/Unite 是一个强大的信息筛选浏览器，这类似于 Emacs 中的
 
 | 快捷键                | 功能描述                                                                       |
 | --------------------- | ------------------------------------------------------------------------------ |
+| `SPC w .`             | 启用窗口临时快捷键                                                                 |
 | `SPC w <Tab>`         | 在同一标签内进行窗口切换                                                       |
 | `SPC w =`             | 对齐分离的窗口                                                                 |
 | `SPC w b`             | force the focus back to the minibuffer (TODO)                                  |
diff --git a/docs/documentation.md b/docs/documentation.md
index 84516a340..b446f6c82 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -1022,6 +1022,7 @@ Windows manipulation commands (start with `w`):
 
 | Key Bindings          | Descriptions                                                                                                  |
 | --------------------- | ------------------------------------------------------------------------------------------------------------- |
+| `SPC w .`             | windows transient state                                                                             |
 | `SPC w <Tab>`         | switch to alternate window in the current frame (switch back and forth)                                       |
 | `SPC w =`             | balance split windows                                                                                         |
 | `SPC w b`             | force the focus back to the minibuffer (TODO)                                                                 |