diff --git a/autoload/SpaceVim/layers/format.vim b/autoload/SpaceVim/layers/format.vim
index 002181832..0b9e64118 100644
--- a/autoload/SpaceVim/layers/format.vim
+++ b/autoload/SpaceVim/layers/format.vim
@@ -12,8 +12,14 @@
 " format layer provides code formation for SpaceVim, the default formatting
 " plugin is |neoformat|.
 " @subsection options
-" format_on_save: disabled by default.
 "
+" `format_on_save`: disabled by default.
+"
+" @subsection key bindings
+" >
+"   Key binding     Description
+"   SPC b f         format current buffer or selection lines
+" <
 " 
 
 if exists('s:format_on_save')
@@ -30,7 +36,7 @@ function! SpaceVim#layers#format#plugins() abort
 endfunction
 
 function! SpaceVim#layers#format#config() abort
-  call SpaceVim#mapping#space#def('nnoremap', ['b', 'f'], 'Neoformat', 'format-code', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['b', 'f'], ":Neoformat\<Enter>", 'format-code', 0, 1)
   augroup spacevim_layer_format
     autocmd!
     autocmd BufWritePre * call s:format()
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index ec70aaf21..0df6066e8 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -1452,8 +1452,15 @@ FORMAT                                                 *SpaceVim-layer-format*
 format layer provides code formation for SpaceVim, the default formatting
 plugin is |neoformat|.
 OPTIONS
-format_on_save: disabled by default.
 
+`format_on_save`: disabled by default.
+
+KEY BINDINGS
+
+>
+  Key binding     Description
+  SPC b f         format current buffer or selection lines
+<
 
 
 ==============================================================================
diff --git a/docs/cn/layers/format.md b/docs/cn/layers/format.md
index 2cbad67ca..7530a1b86 100644
--- a/docs/cn/layers/format.md
+++ b/docs/cn/layers/format.md
@@ -6,7 +6,6 @@ lang: zh
 
 # [可用模块](../) >> format
 
-
 <!-- vim-markdown-toc GFM -->
 
 - [模块简介](#模块简介)
@@ -14,6 +13,7 @@ lang: zh
 - [模块设置](#模块设置)
   - [模块选项](#模块选项)
   - [全局选项](#全局选项)
+- [快捷键](#快捷键)
 
 <!-- vim-markdown-toc -->
 
@@ -60,11 +60,9 @@ lang: zh
 
 ### 全局选项
 
-neoformat 是一个格式化框架插件，该插件的所有自身选项可以在启动函数中进行设置，可以预读 `:help neoformat`
+`neoformat` 是一个格式化框架插件，该插件的所有自身选项可以在启动函数中进行设置，可以预读 `:help neoformat`
 获取完整帮助。
 
-
-
 以下是一个为 Java 文件设置格式化命令的配置，以下配置已经包含在 `lang#java` 模块内了：
 
 ```viml
@@ -75,3 +73,9 @@ let g:neoformat_java_googlefmt = {
     \ 'stdin': 1,
     \ }
 ```
+
+## 快捷键
+
+| 快捷键    | 功能描述                   |
+| --------- | -------------------------- |
+| `SPC b f` | 格式化当前文件或者选中内容 |
diff --git a/docs/layers/format.md b/docs/layers/format.md
index 6ce82f4e6..f5084fc8f 100644
--- a/docs/layers/format.md
+++ b/docs/layers/format.md
@@ -12,6 +12,7 @@ description: "Code formatting layer for SpaceVim, includes a variety of formatte
 - [Configuration](#configuration)
   - [Layer options](#layer-options)
   - [Global options](#global-options)
+- [Key bindings](#key-bindings)
 
 <!-- vim-markdown-toc -->
 
@@ -72,3 +73,9 @@ let g:neoformat_java_googlefmt = {
     \ 'stdin': 1,
     \ }
 ```
+
+## Key bindings
+
+| Key binding | Description                           |
+| ----------- | ------------------------------------- |
+| `SPC b f`   | format whole buffer or selected lines |