diff --git a/autoload/SpaceVim/autocmds.vim b/autoload/SpaceVim/autocmds.vim
index 3f62cd336..540b244a4 100644
--- a/autoload/SpaceVim/autocmds.vim
+++ b/autoload/SpaceVim/autocmds.vim
@@ -125,11 +125,8 @@ function! SpaceVim#autocmds#VimEnter() abort
   endfor
   if get(g:, '_spacevim_statusline_loaded', 0) == 1
     set laststatus=2
-    set statusline=%!ActiveStatus()
-    hi User1 guibg=#afd700 guifg=#005f00
-    hi User2 guibg=#005f00 guifg=#afd700
-    hi User3 guibg=#222222 guifg=#005f00
-    hi User4 guibg=#222222 guifg=#d0d0d0
+    call SpaceVim#layers#core#statusline#def_colors()
+    set statusline=%!SpaceVim#layers#core#statusline#get(1)
   endif
 endfunction
 
diff --git a/autoload/SpaceVim/layers/core/statusline.vim b/autoload/SpaceVim/layers/core/statusline.vim
index fad6fabc3..4fa6877de 100644
--- a/autoload/SpaceVim/layers/core/statusline.vim
+++ b/autoload/SpaceVim/layers/core/statusline.vim
@@ -1,65 +1,109 @@
 " statusline
+scriptencoding utf-8
 let g:_spacevim_statusline_loaded = 1
+" APIs
+let s:MESSLETTERS = SpaceVim#api#import('messletters')
 
-function! ActiveStatus()
-    let statusline=""
-    let statusline.="%1*"
-    let statusline.="%(%{'help'!=&filetype?'\ \ '.bufnr('%'):''}\ %)"
-    let statusline.="%2*"
-    let statusline.=""
-    let statusline.="%{fugitive#head()!=''?'\ \ '.fugitive#head().'\ ':''}"
-    let statusline.="%3*"
-    let statusline.=""
-    let statusline.="%4*"
-    let statusline.="\ %<"
-    let statusline.="%f"
-    let statusline.="%{&modified?'\ \ +':''}"
-    let statusline.="%{&readonly?'\ \ ':''}"
-    let statusline.="%="
-    let statusline.="\ %{''!=#&filetype?&filetype:'none'}"
-    let statusline.="%(\ %{(&bomb\|\|'^$\|utf-8'!~#&fileencoding?'\ '.&fileencoding.(&bomb?'-bom':''):'').('unix'!=#&fileformat?'\ '.&fileformat:'')}%)"
-    let statusline.="%(\ \ %{&modifiable?(&expandtab?'et\ ':'noet\ ').&shiftwidth:''}%)"
-    let statusline.="%3*"
-    let statusline.="\ "
-    let statusline.="%2*"
-    let statusline.=""
-    let statusline.="%1*"
-    let statusline.="\ %2v"
-    let statusline.="\ %3p%%\ "
-    return statusline
+" init
+let s:loaded_modes = ['⊝']
+let s:modes = [
+            \ {
+            \ 'name' : '⊝',
+            \ 'desc' : 'centered-cursor mode',
+            \ }
+            \ ]
+
+function! s:winnr() abort
+    return s:MESSLETTERS.circled_num(winnr(), g:spacevim_buffer_index_type)
 endfunction
 
-function! InactiveStatus()
-    let statusline=""
-    let statusline.="%(%{'help'!=&filetype?'\ \ '.bufnr('%').'\ \ ':'\ '}%)"
-    let statusline.="%{fugitive#head()!=''?'\ \ '.fugitive#head().'\ ':'\ '}"
-    let statusline.="\ %<"
-    let statusline.="%f"
-    let statusline.="%{&modified?'\ \ +':''}"
-    let statusline.="%{&readonly?'\ \ ':''}"
-    let statusline.="%="
-    let statusline.="\ %{''!=#&filetype?&filetype:'none'}"
-    let statusline.="%(\ %{(&bomb\|\|'^$\|utf-8'!~#&fileencoding?'\ '.&fileencoding.(&bomb?'-bom':''):'').('unix'!=#&fileformat?'\ '.&fileformat:'')}%)"
-    let statusline.="%(\ \ %{&modifiable?(&expandtab?'et\ ':'noet\ ').&shiftwidth:''}%)"
-    let statusline.="\ \ "
-    let statusline.="\ %2v"
-    let statusline.="\ %3p%%\ "
-    return statusline
+function! s:filename() abort
+    return (&modified ? ' * ' : ' - ') . s:filesize() . fnamemodify(bufname('%'), ':t')
 endfunction
 
+function! s:git_branch() abort
+    if exists('g:loaded_fugitive')
+        let l:head = fugitive#head()
+        return empty(l:head) ? '' : ''.l:head . ' '
+    endif
+    return ''
+endfunction
+
+function! s:modes() abort
+    let m = '❖ '
+    for mode in s:loaded_modes
+        let m .= mode . ' '
+    endfor
+    return m
+endfunction
+
+function! s:filesize() abort
+    let l:size = getfsize(bufname('%'))
+    if l:size == 0 || l:size == -1 || l:size == -2
+        return ''
+    endif
+    if l:size < 1024
+        return l:size.' bytes '
+    elseif l:size < 1024*1024
+        return printf('%.1f', l:size/1024.0).'k '
+    elseif l:size < 1024*1024*1024
+        return printf('%.1f', l:size/1024.0/1024.0) . 'm '
+    else
+        return printf('%.1f', l:size/1024.0/1024.0/1024.0) . 'g '
+    endif
+endfunction
+
+function! SpaceVim#layers#core#statusline#get(...) abort
+    if a:0 > 0
+        return s:active()
+    else
+        return s:inactive()
+    endif
+endfunction
+
+function! s:active() abort
+    let l:m_r_f = '%7* %m%r%y %*'
+    let l:ff = '%8* %{&ff} |'
+    let l:enc = " %{''.(&fenc!=''?&fenc:&enc).''} | %{(&bomb?\",BOM\":\"\")}"
+    let l:pos = '%l:%c%V %*'
+    let l:pct = '%9* %P %*'
+    return '%#SpaceVim_statusline_a# ' . s:winnr() . ' %#SpaceVim_statusline_a_b#'
+                \ . '%#SpaceVim_statusline_b# ' . s:filename() . ' %#SpaceVim_statusline_b_c#'
+                \ . '%#SpaceVim_statusline_c# ' . &filetype . ' %#SpaceVim_statusline_c_b#' 
+                \ . '%#SpaceVim_statusline_b# ' . s:modes() . ' %#SpaceVim_statusline_b_c#'
+                \ . '%#SpaceVim_statusline_c# ' . s:git_branch() . ' %#SpaceVim_statusline_c_b#'
+                \ . '%#SpaceVim_statusline_b# %='
+                \ . '%#SpaceVim_statusline_c_b#%#SpaceVim_statusline_c#%{" " . &ff . "|" . (&fenc!=""?&fenc:&enc) . " "}'
+                \ . '%#SpaceVim_statusline_b_c#%#SpaceVim_statusline_b# %P '
+
+endfunction
+
+function! s:inactive() abort
+
+endfunction
+function! s:gitgutter()
+    if exists('b:gitgutter_summary')
+        let l:summary = get(b:, 'gitgutter_summary')
+        if l:summary[0] != 0 || l:summary[1] != 0 || l:summary[2] != 0
+            return ' +'.l:summary[0].' ~'.l:summary[1].' -'.l:summary[2].' '
+        endif
+    endif
+    return ''
+endfunction
 
 function! SpaceVim#layers#core#statusline#init() abort
     augroup status
         autocmd!
-        autocmd WinEnter * setlocal statusline=%!ActiveStatus()
-        autocmd WinLeave * setlocal statusline=%!InactiveStatus()
-        autocmd ColorScheme kalisi if(&background=="dark") | hi User1 guibg=#afd700 guifg=#005f00 | endif
-        autocmd ColorScheme kalisi if(&background=="dark") | hi User2 guibg=#005f00 guifg=#afd700 | endif
-        autocmd ColorScheme kalisi if(&background=="dark") | hi User3 guibg=#222222 guifg=#005f00 | endif
-        autocmd ColorScheme kalisi if(&background=="dark") | hi User4 guibg=#222222 guifg=#d0d0d0 | endif
-        autocmd ColorScheme kalisi if(&background=="light") | hi User1 guibg=#afd700 guifg=#005f00 | endif
-        autocmd ColorScheme kalisi if(&background=="light") | hi User2 guibg=#005f00 guifg=#afd700 | endif
-        autocmd ColorScheme kalisi if(&background=="light") | hi User3 guibg=#707070 guifg=#005f00 | endif
-        autocmd ColorScheme kalisi if(&background=="light") | hi User4 guibg=#707070 guifg=#d0d0d0 | endif
+        autocmd WinEnter * setlocal statusline=%!SpaceVim#layers#core#statusline#get(1)
+        autocmd WinLeave * setlocal statusline=%!SpaceVim#layers#core#statusline#get()
     augroup END
 endfunction
+
+function! SpaceVim#layers#core#statusline#def_colors() abort
+    hi! SpaceVim_statusline_a ctermbg=003 ctermfg=Black guibg=#a89984 guifg=#282828
+    hi! SpaceVim_statusline_a_b ctermbg=003 ctermfg=Black guibg=#504945 guifg=#a89984
+    hi! SpaceVim_statusline_b ctermbg=003 ctermfg=Black guibg=#504945 guifg=#a89984
+    hi! SpaceVim_statusline_b_c ctermbg=003 ctermfg=Black guibg=#3c3836 guifg=#504945
+    hi! SpaceVim_statusline_c ctermbg=003 ctermfg=Black guibg=#3c3836 guifg=#a89984
+    hi! SpaceVim_statusline_c_b ctermbg=003 ctermfg=Black guibg=#504945 guifg=#3c3836
+endfunction
diff --git a/autoload/zvim/util.vim b/autoload/zvim/util.vim
index aa989f944..5349ee77a 100644
--- a/autoload/zvim/util.vim
+++ b/autoload/zvim/util.vim
@@ -188,7 +188,9 @@ endfunction
 function! zvim#util#OpenVimfiler() abort
     if bufnr('vimfiler') == -1
         VimFiler
-        AirlineRefresh
+        if exists(':AirlineRefresh')
+            AirlineRefresh
+        endif
         wincmd p
         if &filetype !=# 'startify'
             IndentLinesToggle
@@ -197,7 +199,9 @@ function! zvim#util#OpenVimfiler() abort
         wincmd p
     else
         VimFiler
-        AirlineRefresh
+        if exists(':AirlineRefresh')
+            AirlineRefresh
+        endif
     endif
 endfunction
 
diff --git a/docs/documentation.md b/docs/documentation.md
index 5b8528d64..7df27ffab 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -30,6 +30,7 @@ title:  "Documentation"
     * [Font](#font)
     * [UI Toggles](#ui-toggles)
     * [Statusline && tabline](#statusline--tabline)
+        * [statusline](#statusline)
 * [Manual](#manual)
     * [Completion](#completion)
         * [Unite/Denite](#unitedenite)
@@ -326,9 +327,23 @@ The statusline and tabline is a heavily customized [airline](https://github.com/
 - checker info: numbers of errors and warnings.
 - trailing line number.
 
-    Key Binding | Description
-    ----------- | -----------
-    `SPC [1-9]` | jump to the index of tabline.
+Key Binding | Description
+----------- | -----------
+`SPC [1-9]` | jump to the index of tabline.
+
+#### statusline
+
+The `core#statusline` layer provide a heavily customized powerline with the following capabilities:, It is inspired by spacemacs's mode-line.
+
+
+- show the window number
+- color code for current state
+- show the number of search occurrences via anzu
+- toggle flycheck info
+- toggle battery info
+- toggle minor mode lighters
+
+Reminder of the color codes for the states:
 
 
 ## Manual