diff --git a/autoload/SpaceVim/layers/lang/go.vim b/autoload/SpaceVim/layers/lang/go.vim
index 84f4515b2..05f2c00a1 100644
--- a/autoload/SpaceVim/layers/lang/go.vim
+++ b/autoload/SpaceVim/layers/lang/go.vim
@@ -1,3 +1,22 @@
+""
+" @section lang#go, layer-lang-go
+" @parentsection layers
+" This layer support go development, include code completion and syntax check.
+" @subsection mappings
+" >
+"   mode            key             function
+"   normal          <leader>gi      go implements
+"   normal          <leader>gf      go info
+"   normal          <leader>ge      go rename
+"   normal          <leader>gr      go run
+"   normal          <leader>gb      go build
+"   normal          <leader>gt      go test
+"   normal          <leader>gd      go doc
+"   normal          <leader>gv      go doc vertical
+"   normal          <leader>gco     go coverage
+" <
+
+
 function! SpaceVim#layers#lang#go#plugins() abort
     let plugins = [['fatih/vim-go', { 'on_ft' : 'go', 'loadconf_before' : 1}]]
     if has('nvim')
@@ -16,18 +35,18 @@ function! SpaceVim#layers#lang#go#config() abort
     let g:go_fmt_command = 'goimports'
     let g:syntastic_go_checkers = ['golint', 'govet', 'errcheck']
     let g:syntastic_mode_map = { 'mode': 'active', 'passive_filetypes': ['go'] }
-    let g:go_snippet_engine = "neosnippet"
+    let g:go_snippet_engine = 'neosnippet'
 
     augroup SpaceVim_go
         au!
-        au FileType go nmap <Buffer><Leader>s <Plug>(go-implements)
-        au FileType go nmap <Buffer><Leader>i <Plug>(go-info)
-        au FileType go nmap <Buffer><Leader>e <Plug>(go-rename)
-        au FileType go nmap <Buffer><Leader>r <Plug>(go-run)
-        au FileType go nmap <Buffer><Leader>b <Plug>(go-build)
-        au FileType go nmap <Buffer><Leader>t <Plug>(go-test)
-        au FileType go nmap <Buffer><Leader>gd <Plug>(go-doc)
-        au FileType go nmap <Buffer><Leader>gv <Plug>(go-doc-vertical)
-        au FileType go nmap <Buffer><Leader>co <Plug>(go-coverage)
+        au FileType go nmap <Buffer><silent><Leader>s <Plug>(go-implements)
+        au FileType go nmap <Buffer><silent><Leader>i <Plug>(go-info)
+        au FileType go nmap <Buffer><silent><Leader>e <Plug>(go-rename)
+        au FileType go nmap <Buffer><silent><Leader>r <Plug>(go-run)
+        au FileType go nmap <Buffer><silent><Leader>b <Plug>(go-build)
+        au FileType go nmap <Buffer><silent><Leader>t <Plug>(go-test)
+        au FileType go nmap <Buffer><silent><Leader>gd <Plug>(go-doc)
+        au FileType go nmap <Buffer><silent><Leader>gv <Plug>(go-doc-vertical)
+        au FileType go nmap <Buffer><silent><Leader>co <Plug>(go-coverage)
     augroup END
 endfunction
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index 52262e104..02b49c298 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -10,10 +10,11 @@ CONTENTS                                                   *SpaceVim-contents*
       1. autocomplete..................................|SpaceVim-autocomplete|
       2. colorscheme....................................|SpaceVim-colorscheme|
       3. lang#c........................................|SpaceVim-layer-lang-c|
-      4. lang#java..................................|SpaceVim-layer-lang-java|
-      5. lang#php....................................|SpaceVim-layer-lang-php|
-      6. lang#rust..................................|SpaceVim-layer-lang-rust|
-      7. lang#xml....................................|SpaceVim-layer-lang-xml|
+      4. lang#go......................................|SpaceVim-layer-lang-go|
+      5. lang#java..................................|SpaceVim-layer-lang-java|
+      6. lang#php....................................|SpaceVim-layer-lang-php|
+      7. lang#rust..................................|SpaceVim-layer-lang-rust|
+      8. lang#xml....................................|SpaceVim-layer-lang-xml|
   5. FAQ........................................................|SpaceVim-faq|
 
 ==============================================================================
@@ -426,6 +427,25 @@ get completions within   conditional preprocessor blocks. The default is 50,
 setting it to 0 disables this feature.
 
 
+==============================================================================
+LANG#GO                                               *SpaceVim-layer-lang-go*
+
+This layer support go development, include code completion and syntax check.
+MAPPINGS
+
+>
+  mode            key             function
+  normal          <leader>gi      go implements
+  normal          <leader>gf      go info
+  normal          <leader>ge      go rename
+  normal          <leader>gr      go run
+  normal          <leader>gb      go build
+  normal          <leader>gt      go test
+  normal          <leader>gd      go doc
+  normal          <leader>gv      go doc vertical
+  normal          <leader>gco     go coverage
+<
+
 ==============================================================================
 LANG#JAVA                                           *SpaceVim-layer-lang-java*