diff --git a/autoload/SpaceVim.vim b/autoload/SpaceVim.vim
index 32c1fb850..9f84333f8 100644
--- a/autoload/SpaceVim.vim
+++ b/autoload/SpaceVim.vim
@@ -5,6 +5,16 @@
 " @order intro version dicts functions exceptions layers autocomplete colorscheme layer_lang_java layer_lang_php layer_lang_c layer-lang-rust faq
 "   SpaceVim is a Modular configuration, a bundle of custom settings
 " and plugins, for Vim. It got inspired by spacemacs.
+"
+
+""
+" @section CONFIGURATION, config
+" SpaceVim use `~/.SpaceVim.d/init.vim` as it's default global config file.
+" you can set all the SpaceVim options and layers in it. `~/.SpaceVim.d/` will
+" also be added to runtimepath, so you can write your own script in it.
+" SpaceVim also support local config of each project. It should be
+" `.SpaceVim.d/init.vim` in the root directory of your project. and
+" `.SpaceVim.d/` will also be added to runtimepath.
 
 ""
 " Version of SpaceVim , this value can not be changed.
diff --git a/autoload/SpaceVim/layers/lang/rust.vim b/autoload/SpaceVim/layers/lang/rust.vim
index 3c3393d27..94a53c92a 100644
--- a/autoload/SpaceVim/layers/lang/rust.vim
+++ b/autoload/SpaceVim/layers/lang/rust.vim
@@ -1,5 +1,8 @@
 ""
 " @section layer-lang-rust, layer-lang-rust
+" SpaceVim do not load this layer by default, if you are a rust developer, you
+" should add `call SpaceVim#layers#load('lang#rust')` to your @section(config)
+"
 " requirement:
 "   1. racer : cargo install racer
 "   2. export RUST_SRC_PATH : 
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index 29559ce20..08368ba90 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -4,7 +4,7 @@ wsdjeg                                                    *Maktaba* *SpaceVim*
 ==============================================================================
 CONTENTS                                                   *SpaceVim-contents*
   1. Introduction.............................................|SpaceVim-intro|
-  2. Configuration...........................................|SpaceVim-config|
+  2. CONFIGURATION...........................................|SpaceVim-config|
   3. Functions............................................|SpaceVim-functions|
   4. Layers..................................................|SpaceVim-layers|
   5. Autocomplete......................................|SpaceVim-autocomplete|
@@ -21,9 +21,17 @@ INTRODUCTION                                                  *SpaceVim-intro*
   SpaceVim is a Modular configuration, a bundle of custom settings and
 plugins, for Vim. It got inspired by spacemacs.
 
+
 ==============================================================================
 CONFIGURATION                                                *SpaceVim-config*
 
+SpaceVim use `~/.SpaceVim.d/init.vim` as it's default global config file. you
+can set all the SpaceVim options and layers in it. `~/.SpaceVim.d/` will also
+be added to runtimepath, so you can write your own script in it. SpaceVim also
+support local config of each project. It should be `.SpaceVim.d/init.vim` in
+the root directory of your project. and `.SpaceVim.d/` will also be added to
+runtimepath.
+
                                                    *g:spacevim_default_indent*
 Change the default indent of SpaceVim. default is 2.
 >
@@ -459,6 +467,9 @@ setting it to 0 disables this feature.
 ==============================================================================
 LAYER-LANG-RUST                                     *SpaceVim-layer-lang-rust*
 
+SpaceVim do not load this layer by default, if you are a rust developer, you
+should add `call SpaceVim#layers#load('lang#rust')` to your |SpaceVim-config|
+
 requirement:
   1. racer : cargo install racer
   2. export RUST_SRC_PATH :  you can download src by : rustup component add