diff --git a/autoload/SpaceVim/layers/lang/python.vim b/autoload/SpaceVim/layers/lang/python.vim
index 23974db24..159dc7070 100644
--- a/autoload/SpaceVim/layers/lang/python.vim
+++ b/autoload/SpaceVim/layers/lang/python.vim
@@ -34,6 +34,8 @@ function! SpaceVim#layers#lang#python#plugins() abort
         \ { 'on_ft' : 'python'}])
   call add(plugins, ['jeetsukumaran/vim-pythonsense', 
         \ { 'on_ft' : 'python'}])
+  call add(plugins, ['alfredodeza/coveragepy.vim', 
+        \ { 'merged' : 0}])
   return plugins
 endfunction
 
@@ -102,6 +104,24 @@ function! s:language_specified_mappings() abort
         \ 'call SpaceVim#plugins#repl#send("selection")',
         \ 'send selection and keep code buffer focused', 1)
 
+  let g:_spacevim_mappings_space.l.c = {'name' : '+Coverage'}
+
+  call SpaceVim#mapping#space#langSPC('nmap', ['l','c', 'r'],
+        \ 'Coveragepy report',
+        \ 'coverager eport', 1)
+
+  call SpaceVim#mapping#space#langSPC('nmap', ['l','c', 's'],
+        \ 'Coveragepy show',
+        \ 'coverager show', 1)
+
+  call SpaceVim#mapping#space#langSPC('nmap', ['l','c', 'e'],
+        \ 'Coveragepy session',
+        \ 'coverager session', 1)
+
+  call SpaceVim#mapping#space#langSPC('nmap', ['l','c', 'f'],
+        \ 'Coveragepy refresh',
+        \ 'coverager refresh', 1)
+
   " +Generate {{{
 
   let g:_spacevim_mappings_space.l.g = {'name' : '+Generate'}
diff --git a/docs/cn/layers/lang/python.md b/docs/cn/layers/lang/python.md
index 969fe4940..04a3d8548 100644
--- a/docs/cn/layers/lang/python.md
+++ b/docs/cn/layers/lang/python.md
@@ -12,12 +12,11 @@ lang: cn
 - [功能特性](#功能特性)
 - [依赖安装及启用模块](#依赖安装及启用模块)
   - [启用模块](#启用模块)
-  - [语法检查](#语法检查)
-  - [代码格式化](#代码格式化)
-  - [格式化 Imports](#格式化-imports)
+  - [语言工具](#语言工具)
 - [快捷键](#快捷键)
   - [跳至定义处](#跳至定义处)
   - [代码生成](#代码生成)
+  - [测试覆盖](#测试覆盖)
   - [交互式编程](#交互式编程)
   - [运行当前脚本](#运行当前脚本)
   - [整理 imports](#整理-imports)
@@ -48,7 +47,9 @@ lang: cn
   name = "lang#python"
 ```
 
-### 语法检查
+### 语言工具
+
+**语法检查：**
 
 `checkers` 模块提供了代码检查功能, 此外需要安装 `flake8` 包：
 
@@ -56,7 +57,7 @@ lang: cn
 pip install --user flake8
 ```
 
-### 代码格式化
+**代码格式化：**
 
 默认的代码格式化快捷键为 `SPC b f`， 需要安装 `yapf`。若需要在保存文件时自动格式化该 Python 文件，需要设置 `format-on-save` 为 `true`。
 
@@ -64,7 +65,7 @@ pip install --user flake8
 pip install --user yapf
 ```
 
-### 格式化 Imports
+**格式化导包：**
 
 若需要更便捷地删除未使用的 imports，需要安装 [autoflake](https://github.com/myint/autoflake)：
 
@@ -78,6 +79,16 @@ pip install --user autoflake
 pip install --user isort
 ```
 
+**测试覆盖：**
+
+通过安装 coverage 可对代码测试覆盖情况进行统计：
+
+```sh
+pip install --user coverage
+```
+
+
+
 ## 快捷键
 
 ### 跳至定义处
@@ -92,6 +103,16 @@ pip install --user isort
 | ------ | ----------- | -------------- |
 | Normal | `SPC l g d` | 生成 docstring |
 
+### 测试覆盖
+
+| 模式   | 快捷键      | 功能描述       |
+| ------ | ----------- | ----------------- |
+| normal | `SPC l c r` | coverager report  |
+| normal | `SPC l c s` | coverager show    |
+| normal | `SPC l c e` | coverager session |
+| normal | `SPC l c f` | coverager refresh |
+
+
 ### 交互式编程
 
 启动 `python` 或 `ipython` 交互进程，快捷键为： `SPC l s i`。如果存在可执行命令 `ipython`，
diff --git a/docs/layers/lang/python.md b/docs/layers/lang/python.md
index bb50903f6..dce5ae354 100644
--- a/docs/layers/lang/python.md
+++ b/docs/layers/lang/python.md
@@ -10,13 +10,12 @@ description: "This layer is for Python development, provide autocompletion, synt
 - [Description](#description)
 - [Features](#features)
 - [Install](#install)
-  - [Layer](#layer)
-  - [Syntax Checking](#syntax-checking)
-  - [Buffer formatting](#buffer-formatting)
-  - [Format imports](#format-imports)
+  - [enable layer](#enable-layer)
+  - [language tools](#language-tools)
 - [Key bindings](#key-bindings)
   - [Jump to definition](#jump-to-definition)
   - [Code generation](#code-generation)
+  - [Code Coverage](#code-coverage)
   - [Text objects and motions](#text-objects-and-motions)
   - [Inferior REPL process](#inferior-repl-process)
   - [Running current script](#running-current-script)
@@ -36,7 +35,7 @@ This layer is for Python development.
 
 ## Install
 
-### Layer
+### enable layer
 
 To use this configuration layer, add following snippet to your custom configuration file.
 
@@ -45,7 +44,10 @@ To use this configuration layer, add following snippet to your custom configurat
   name = "lang#python"
 ```
 
-### Syntax Checking
+### language tools
+
+
+**syntax checking:**
 
 `checker` layer provide syntax checking feature, and for Python it uses `flake8` package:
 
@@ -53,7 +55,7 @@ To use this configuration layer, add following snippet to your custom configurat
 pip install --user flake8
 ```
 
-### Buffer formatting
+**code formatting:**
 
 The default key binding for formatting buffer is `SPC b f`, and you need to install `yapf`. To enable automatic buffer formatting on save, load this layer with setting `format-on-save` to `1`.
 
@@ -67,7 +69,7 @@ The default key binding for formatting buffer is `SPC b f`, and you need to inst
 pip install --user yapf
 ```
 
-### Format imports
+**format imports:**
 
 To be able to suppress unused imports easily, install [autoflake](https://github.com/myint/autoflake):
 
@@ -81,6 +83,14 @@ To be able to sort your imports, install [isort](https://github.com/timothycrosl
 pip install --user isort
 ```
 
+**code coverage:**
+
+To be able to show code coverage, install coverage.py
+
+```sh
+pip install --user coverage
+```
+
 ## Key bindings
 
 ### Jump to definition
@@ -95,6 +105,15 @@ pip install --user isort
 | ------ | ----------- | ------------------ |
 | normal | `SPC l g d` | Generate docstring |
 
+### Code Coverage
+
+| Mode   | Key Binding | Description       |
+| ------ | ----------- | ----------------- |
+| normal | `SPC l c r` | coverager report  |
+| normal | `SPC l c s` | coverager show    |
+| normal | `SPC l c e` | coverager session |
+| normal | `SPC l c f` | coverager refresh |
+
 ### Text objects and motions
 
 This layer contains vim-pythonsense which provides text objects and motions for Python classes, methods, functions, and doc strings.