diff --git a/README.md b/README.md
index cb95ae7aa..873f5643b 100644
--- a/README.md
+++ b/README.md
@@ -438,6 +438,9 @@ Key   | Mode | Action
 
 ## Enjoy!
 
+## Thanks
+- [vimdoc](https://github.com/google/vimdoc) generate doc file for SpaceVim
+
 <!-- plublic links -->
 [dein.vim]: https://github.com/Shougo/dein.vim
 [vimproc]: https://github.com/Shougo/vimproc.vim
diff --git a/addon-info.json b/addon-info.json
new file mode 100644
index 000000000..5e69a3996
--- /dev/null
+++ b/addon-info.json
@@ -0,0 +1,5 @@
+{
+  "name": "SpaceVim",
+  "description": "Like spacemacs, but for vim",
+  "author": "wsdjeg"
+}
diff --git a/autoload/SpaceVim.vim b/autoload/SpaceVim.vim
index b1a204a97..8a779af7d 100644
--- a/autoload/SpaceVim.vim
+++ b/autoload/SpaceVim.vim
@@ -2,6 +2,8 @@ scriptencoding utf-8
 function! SpaceVim#init() abort
     "Vim settings
     let g:settings                         = get(g:, 'settings', {})
+    ""
+    " The default_indent of SpaceVim.
     let g:settings.default_indent          = 2
     let g:settings.max_column              = 120
     let g:settings.enable_googlesuggest    = 0
@@ -50,7 +52,9 @@ function! SpaceVim#loadCustomConfig() abort
         exe 'source ' . custom_confs[0]
     endif
 endfunction
-
+""
+" @public
+" Load the {layer} you want, with the {opt}.
 function! SpaceVim#Layer(layer, opt) abort
 
 endfunction
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
new file mode 100644
index 000000000..373514a37
--- /dev/null
+++ b/doc/SpaceVim.txt
@@ -0,0 +1,22 @@
+*SpaceVim.txt*	Like spacemacs, but for vim
+wsdjeg                                                              *SpaceVim*
+
+==============================================================================
+CONTENTS                                                   *SpaceVim-contents*
+  1. Configuration...........................................|SpaceVim-config|
+  2. Functions............................................|SpaceVim-functions|
+
+==============================================================================
+CONFIGURATION                                                *SpaceVim-config*
+
+                                                                  *g:settings*
+The default_indent of SpaceVim.
+
+==============================================================================
+FUNCTIONS                                                 *SpaceVim-functions*
+
+SpaceVim#Layer({layer}, {opt})                              *SpaceVim#Layer()*
+  Load the {layer} you want, with the {opt}.
+
+
+vim:tw=78:ts=8:ft=help:norl: