diff --git a/autoload/SpaceVim/api/vim/signatures.vim b/autoload/SpaceVim/api/vim/signatures.vim
index 473fdc29b..e0a77a5e9 100644
--- a/autoload/SpaceVim/api/vim/signatures.vim
+++ b/autoload/SpaceVim/api/vim/signatures.vim
@@ -13,18 +13,23 @@ let s:self._cmp = SpaceVim#api#import('vim#compatible')
 let s:self.hi_info_group = 'Comment'
 let s:self.hi_warn_group = 'WarningMsg'
 let s:self.hi_error_group = 'ErrorMsg'
+if exists('*nvim_create_namespace')
+  let s:self._hi_namespace = nvim_create_namespace('spacevim-signatures')
+endif
 
 
-if exists('*nvim_buf_set_virtual_text')
+if exists('*nvim_create_namespace')
+  " @vimlint(EVL103, 1, a:col)
   function! s:self.info(line, col, message)  abort
-    call nvim_buf_set_virtual_text(0, bufnr('%'), a:line, [[a:message, self.hi_info_group],], {})
+    call nvim_buf_set_virtual_text(0, self._hi_namespace, a:line - 2, [[a:message, self.hi_info_group],], {})
   endfunction
   function! s:self.warn(line, col, message)  abort
-    call nvim_buf_set_virtual_text(0, bufnr('%'), a:line, [[a:message, self.hi_warn_group],], {})
+    call nvim_buf_set_virtual_text(0, self._hi_namespace, a:line - 2, [[a:message, self.hi_warn_group],], {})
   endfunction
   function! s:self.error(line, col, message)  abort
-    call nvim_buf_set_virtual_text(0, bufnr('%'), a:line, [[a:message, self.hi_error_group],], {})
+    call nvim_buf_set_virtual_text(0, self._hi_namespace, a:line - 2, [[a:message, self.hi_error_group],], {})
   endfunction
+  " @vimlint(EVL103, 0, a:col)
 else
 
   function! s:self.info(line, col, message)  abort
@@ -44,12 +49,18 @@ endfunction
 
 call s:self.set_group('SpaceVim_signatures')
 
-function! s:self.clear() abort
-  for id in self.id
-    call matchdelete(id)
-  endfor
-  let self.id = []
-endfunction
+if exists('*nvim_create_namespace')
+  function! s:self.clear() abort
+    call nvim_buf_clear_namespace(0, self._hi_namespace, 0, -1)
+  endfunction
+else
+  function! s:self.clear() abort
+    for id in self.id
+      call matchdelete(id)
+    endfor
+    let self.id = []
+  endfunction
+endif
 
 
 function! SpaceVim#api#vim#signatures#get() abort
diff --git a/autoload/SpaceVim/layers/core/statusline.vim b/autoload/SpaceVim/layers/core/statusline.vim
index 8964fa84f..48caa737f 100644
--- a/autoload/SpaceVim/layers/core/statusline.vim
+++ b/autoload/SpaceVim/layers/core/statusline.vim
@@ -539,11 +539,7 @@ function! SpaceVim#layers#core#statusline#def_colors() abort
   exe 'hi! SpaceVim_statusline_ia gui=bold cterm=bold ctermbg=' . t[0][2] . ' ctermfg=' . t[0][3] . ' guibg=' . t[0][1] . ' guifg=' . t[0][0]
   exe 'hi! SpaceVim_statusline_b ctermbg=' . t[1][2] . ' ctermfg=' . t[1][3] . ' guibg=' . t[1][1] . ' guifg=' . t[1][0]
   exe 'hi! SpaceVim_statusline_c ctermbg=' . t[2][2] . ' ctermfg=' . t[2][3] . ' guibg=' . t[2][1] . ' guifg=' . t[2][0]
-  if name ==# 'palenight' && t[9] ==# 'bright'
-    exe 'hi! SpaceVim_statusline_z ctermbg=' . t[3][1] . ' ctermfg=' . t[2][2] . ' guibg=' . t[3][0] . ' guifg=' . t[2][0]
-  else
-    exe 'hi! SpaceVim_statusline_z ctermbg=' . t[3][1] . ' ctermfg=' . t[4][3] . ' guibg=' . t[3][0] . ' guifg=' . t[4][0]
-  endif
+  exe 'hi! SpaceVim_statusline_z ctermbg=' . t[3][1] . ' ctermfg=' . t[2][2] . ' guibg=' . t[3][0] . ' guifg=' . t[2][0]
   hi! SpaceVim_statusline_error ctermbg=003 ctermfg=Black guibg=#504945 guifg=#fb4934 gui=bold
   hi! SpaceVim_statusline_warn ctermbg=003 ctermfg=Black guibg=#504945 guifg=#fabd2f gui=bold
   call s:HI.hi_separator('SpaceVim_statusline_a', 'SpaceVim_statusline_b')
diff --git a/autoload/SpaceVim/mapping/guide/theme/palenight.vim b/autoload/SpaceVim/mapping/guide/theme/palenight.vim
index b8e486982..54148eedd 100644
--- a/autoload/SpaceVim/mapping/guide/theme/palenight.vim
+++ b/autoload/SpaceVim/mapping/guide/theme/palenight.vim
@@ -60,7 +60,6 @@ function! SpaceVim#mapping#guide#theme#palenight#palette() abort
           \ [ s:guiBlack , s:gui05 , s:ctermWhite , s:cterm05 ],
           \ ['#282828', '#689d6a', 235, 72],
           \ ['#282828', '#8f3f71', 235, 132],
-          \ 'bright'
           \ ]
   else
     return [
@@ -73,7 +72,6 @@ function! SpaceVim#mapping#guide#theme#palenight#palette() abort
           \ [ s:guiBlack , s:gui05 , s:ctermWhite , s:cterm05 ],
           \ ['#282828', '#689d6a', 235, 72],
           \ ['#282828', '#8f3f71', 235, 132],
-          \ 'dark',
           \ ]
   endif
 endfunction
diff --git a/docs/api/vim/signatures.md b/docs/api/vim/signatures.md
index bbf34f015..9025549bf 100644
--- a/docs/api/vim/signatures.md
+++ b/docs/api/vim/signatures.md
@@ -18,13 +18,12 @@ vim#signatures API provides some basic functions for showing signatures info.
 
 ## Functions ane varilues
 
-| function name             | description                              |
-| ------------------------- | ---------------------------------------- |
-| `info(line, col, msg)`        | show info signature message on specific line and col        |
-| `warn(line, col, msg)`        | show warn signature message on specific line and col        |
-| `error(line, col, msg)`        | show error signature message on specific line and col        |
-| `clear()`        | clear signatures info        |
-| `hi_info_group`        | info message highlight group name        |
-| `hi_warn_group`        | warn message highlight group name        |
-| `hi_error_group`        | error message highlight group name        |
-
+| function name           | description                                           |
+| ----------------------- | ----------------------------------------------------- |
+| `info(line, col, msg)`  | show info signature message on specific line and col  |
+| `warn(line, col, msg)`  | show warn signature message on specific line and col  |
+| `error(line, col, msg)` | show error signature message on specific line and col |
+| `clear()`               | clear signatures info                                 |
+| `hi_info_group`         | info message highlight group name                     |
+| `hi_warn_group`         | warn message highlight group name                     |
+| `hi_error_group`        | error message highlight group name                    |
diff --git a/docs/cn/api/vim/signatures.md b/docs/cn/api/vim/signatures.md
new file mode 100644
index 000000000..97b6edb9a
--- /dev/null
+++ b/docs/cn/api/vim/signatures.md
@@ -0,0 +1,30 @@
+---
+title: "vim#signatures api"
+description: "vim#signatures API 提供一些设置和获取 Vim 提示消息的函数。"
+lang: cn
+---
+
+# [可用 APIs](../../) >> vim#signatures
+
+<!-- vim-markdown-toc GFM -->
+
+- [模块简介](#模块简介)
+- [函数及变量](#函数及变量)
+
+<!-- vim-markdown-toc -->
+
+## 模块简介
+
+vim#signatures API 提供一些设置和获取 Vim 提示消息的函数。
+
+## 函数及变量
+
+| 函数名称                | 功能描述                                              |
+| ----------------------- | ----------------------------------------------------- |
+| `info(line, col, msg)`  | show info signature message on specific line and col  |
+| `warn(line, col, msg)`  | show warn signature message on specific line and col  |
+| `error(line, col, msg)` | show error signature message on specific line and col |
+| `clear()`               | clear signatures info                                 |
+| `hi_info_group`         | info message highlight group name                     |
+| `hi_warn_group`         | warn message highlight group name                     |
+| `hi_error_group`        | error message highlight group name                    |
diff --git a/test/color/theme.vader b/test/color/theme.vader
index 16adeac46..14158b94e 100644
--- a/test/color/theme.vader
+++ b/test/color/theme.vader
@@ -2,6 +2,6 @@ Execute ( SpaceVim statusline theme ):
   let g:_spacevim_built_in_themes  = map(split(globpath('.', 'autoload/SpaceVim/mapping/guide/theme/*.vim'), "\n"), 'fnamemodify(v:val, ":t:r")')
   for theme in g:_spacevim_built_in_themes
     Log 'testing theme: ' . theme
-    AssertEqual len(call('SpaceVim#mapping#guide#theme#' . theme . '#palette', [])), 10
+    AssertEqual len(call('SpaceVim#mapping#guide#theme#' . theme . '#palette', [])), 9
   endfor