diff --git a/autoload/SpaceVim.vim b/autoload/SpaceVim.vim
index 0272410fa..7c9e775c7 100644
--- a/autoload/SpaceVim.vim
+++ b/autoload/SpaceVim.vim
@@ -212,7 +212,7 @@ let g:spacevim_use_colorscheme         = 1
 " Set the help language of vim. Default is 'en'. 
 " You can change it to Chinese.
 " >
-"   let g:spacevim_vim_help_language = 'chinese'
+"   let g:spacevim_vim_help_language = 'cn'
 " <
 let g:spacevim_vim_help_language       = 'en'
 ""
@@ -525,7 +525,7 @@ function! SpaceVim#end() abort
     endfor
     if g:spacevim_vim_help_language ==# 'cn'
       call add(g:spacevim_plugin_groups, 'chinese')
-    elseif g:spacevim_vim_help_language ==# 'japanese'
+    elseif g:spacevim_vim_help_language ==# 'ja'
       call add(g:spacevim_plugin_groups, 'japanese')
     endif
     if g:spacevim_use_colorscheme==1
diff --git a/autoload/SpaceVim/api/color.vim b/autoload/SpaceVim/api/color.vim
index 8c77cdcc9..6ac5a4da9 100644
--- a/autoload/SpaceVim/api/color.vim
+++ b/autoload/SpaceVim/api/color.vim
@@ -54,8 +54,20 @@ let s:self._color_map = {
     \ '250': '#bcbcbc', '251': '#c6c6c6', '252': '#d0d0d0', '253': '#dadada', '254': '#e4e4e4',
     \ '255': '#eeeeee', 'fg': 'fg', 'bg': 'bg', 'NONE': 'NONE' }
 
+let s:self._deps = SpaceVim#api#import('data#dict')
+function! s:self.nr2str(nr) abort
+  return get(self._color_map, a:nr, '')
+endfunction
 
 
+function! s:self.str2nr(str) abort
+  let nr = get(self._deps.swap(self._color_map), a:str, -1)
+  if nr =~ 'fg\|bg\|NONE'
+    return nr
+  else
+    return str2nr(nr)
+  endif
+endfunction
 
 
 function! SpaceVim#api#color#get() abort
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index 769d74fad..089931ab6 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -199,19 +199,21 @@ statusline. To enable this feature:
 <
 
                                              *g:spacevim_custom_color_palette*
-Add custom color palette for statusline and tabline.
+Set the statusline/tabline palette of color, default values depends on the
+theme
 >
   let g:spacevim_custom_color_palette = [
-  \ ['#282828', '#b8bb26', 246, 235],
-  \ ['#a89984', '#504945', 239, 246],
-  \ ['#a89984', '#3c3836', 237, 246],
-  \ ['#665c54', 241],
-  \ ['#282828', '#83a598', 235, 109],
-  \ ['#282828', '#fe8019', 235, 208],
-  \ ['#282828', '#8ec07c', 235, 108],
-  \ ]
+    \ ['#282828', '#b8bb26', 246, 235],
+    \ ['#a89984', '#504945', 239, 246],
+    \ ['#a89984', '#3c3836', 237, 246],
+    \ ['#665c54', 241],
+    \ ['#282828', '#83a598', 235, 109],
+    \ ['#282828', '#fe8019', 235, 208],
+    \ ['#282828', '#8ec07c', 235, 108],
+    \ ]
 <
 
+
                                               *g:spacevim_enable_cursorcolumn*
 Enable/Disable cursorcolumn. Default is 0, cursorcolumn will be highlighted in
 normal mode. To enable this feature:
@@ -246,7 +248,7 @@ might require adding the following to ~/.tmux.conf:
                                                 *g:spacevim_vim_help_language*
 Set the help language of vim. Default is 'en'.  You can change it to Chinese.
 >
-  let g:spacevim_vim_help_language = 'chinese'
+  let g:spacevim_vim_help_language = 'cn'
 <
 
                                                          *g:spacevim_language*
diff --git a/test/api/color.vader b/test/api/color.vader
new file mode 100644
index 000000000..75bb1d1c5
--- /dev/null
+++ b/test/api/color.vader
@@ -0,0 +1,5 @@
+Execute ( SpaceVim api color ):
+  let color = SpaceVim#api#import('color')
+  AssertEqual color.nr2str(233), '#121212'
+  AssertEqual color.str2nr('#121212'), 233
+  AssertEqual color.str2nr('bg'), 'bg'
diff --git a/test/api/data/json.vader b/test/api/data/json.vader
new file mode 100644
index 000000000..08e80b757
--- /dev/null
+++ b/test/api/data/json.vader
@@ -0,0 +1,3 @@
+Execute ( SpaceVim api: data#json ):
+  let json = SpaceVim#api#import('data#json')
+  AssertEqual json.json_decode(json.json_encode({'foo' : 'zaa'})), {'foo' : 'zaa'}
diff --git a/test/api/vim/key.vader b/test/api/vim/key.vader
new file mode 100644
index 000000000..621064524
--- /dev/null
+++ b/test/api/vim/key.vader
@@ -0,0 +1,3 @@
+Execute ( SpaceVim api: vim#key ):
+  let key = SpaceVim#api#import('vim#key')
+  AssertEqual key.nr2name(32), 'SPC'
diff --git a/test/mode.vader b/test/mode.vader
new file mode 100644
index 000000000..83e09ee7d
--- /dev/null
+++ b/test/mode.vader
@@ -0,0 +1,5 @@
+Execute ( SpaceVim mode ):
+  so mode/basic.vim
+  AssertEqual g:spacevim_enable_guicolors, 0
+  so mode/dark_powered.vim
+  AssertEqual g:spacevim_enable_debug, 1
diff --git a/test/syntax.vader b/test/syntax.vader
new file mode 100644
index 000000000..970b6ebdb
--- /dev/null
+++ b/test/syntax.vader
@@ -0,0 +1,4 @@
+Execute ( SpaceVim syntax file ):
+  for sfile in globpath(getcwd(), "syntax/*.vim", 0, 1)
+    exe 'so ' . sfile
+  endfor