diff --git a/autoload/SpaceVim/layers/core.vim b/autoload/SpaceVim/layers/core.vim
index aa838bb40..9e3889f14 100644
--- a/autoload/SpaceVim/layers/core.vim
+++ b/autoload/SpaceVim/layers/core.vim
@@ -759,3 +759,14 @@ function! s:explore_current_dir(cur) abort
     endif
   endif
 endfunction
+
+
+let g:_spacevim_filetree_show_hidden_files = 0
+
+function! SpaceVim#layers#core#set_variable(var) abort
+
+  let g:_spacevim_filetree_show_hidden_files = get(a:var,
+        \ 'filetree_show_hidden',
+        \ g:_spacevim_filetree_show_hidden_files)
+
+endfunction
diff --git a/config/plugins/defx.vim b/config/plugins/defx.vim
index f3561507c..b44849c32 100644
--- a/config/plugins/defx.vim
+++ b/config/plugins/defx.vim
@@ -18,7 +18,7 @@ call defx#custom#option('_', {
       \ 'winwidth': g:spacevim_sidebar_width,
       \ 'split': 'vertical',
       \ 'direction': s:direction,
-      \ 'show_ignored_files': 0,
+      \ 'show_ignored_files': g:_spacevim_filetree_show_hidden_files,
       \ 'buffer_name': '',
       \ 'toggle': 1,
       \ 'resume': 1
diff --git a/config/plugins/nerdtree.vim b/config/plugins/nerdtree.vim
index 8f9b7cc06..6b857dbd9 100644
--- a/config/plugins/nerdtree.vim
+++ b/config/plugins/nerdtree.vim
@@ -6,6 +6,7 @@ else
 endif
 let g:NERDTreeWinSize=get(g:,'NERDTreeWinSize',31)
 let g:NERDTreeChDirMode=get(g:,'NERDTreeChDirMode',1)
+let g:NERDTreeShowHidden = g:_spacevim_filetree_show_hidden_files
 augroup nerdtree_zvim
   autocmd!
   autocmd bufenter *
diff --git a/config/plugins/vimfiler.vim b/config/plugins/vimfiler.vim
index 5ba2165ea..e5261a330 100644
--- a/config/plugins/vimfiler.vim
+++ b/config/plugins/vimfiler.vim
@@ -58,7 +58,7 @@ call vimfiler#custom#profile('default', 'context', {
       \ 'status' : 1,
       \ 'safe' : 0,
       \ 'split' : 1,
-      \ 'hidden': 1,
+      \ 'hidden': g:_spacevim_filetree_show_hidden_files,
       \ 'no_quit' : 1,
       \ 'force_hide' : 0,
       \ })
diff --git a/docs/cn/layers/core.md b/docs/cn/layers/core.md
index c85c40c18..6e39f48b6 100644
--- a/docs/cn/layers/core.md
+++ b/docs/cn/layers/core.md
@@ -12,4 +12,23 @@ lang: cn
 
 ## 功能特性
 
-- 文件树：nerdtree 或者 vimfiler，默认为 vimfiler，由 `filemanager` 选项控制
+### 文件树
+
+nerdtree 或者 vimfiler，默认为 vimfiler，由 `filemanager` 选项控制。
+
+如果需要使用 nerdtree 作为文件树插件，可以添加：
+
+```toml
+[options]
+  filemanager = "nerdtree"
+```
+
+## 模块配置
+
+- `filetree_show_hidden`: 在文件树内显示隐藏的文件，默认是 false。
+
+```toml
+[[layers]]
+    name = 'core'
+    filetree_show_hidden = true
+```
diff --git a/docs/layers/core.md b/docs/layers/core.md
index a67414e5c..875f683fc 100644
--- a/docs/layers/core.md
+++ b/docs/layers/core.md
@@ -9,13 +9,37 @@ description: "SpaceVim core layer provides many default key bindings and feature
 
 - [Intro](#intro)
 - [Features](#features)
+  - [FileTree](#filetree)
 - [Configuration](#configuration)
 
 <!-- vim-markdown-toc -->
 
 ## Intro
 
+This is core layer of SpaceVim, and it is loaded by default.
+
 ## Features
 
+### FileTree
+
+
+The filetree plugin is included in core layer, by default `vimfiler` is used as filetree manager.
+To use nerdtree or defx, please add following snippet into your configuration file.
+
+```toml
+[options]
+  filemanager = "nerdtree"
+```
+
 ## Configuration
 
+- `filetree_show_hidden`: option for showing hidden file in filetree, disabled by default.
+
+```toml
+[[layers]]
+    name = 'core'
+    filetree_show_hidden = true
+```
+
+
+