diff --git a/installation.md b/installation.md
index c714d5e..c919b8e 100644
--- a/installation.md
+++ b/installation.md
@@ -1,8 +1,8 @@
-## Requirements
+## Environments
 
 - PHP >= 5.3.0
 - [PHP cURL extension](http://php.net/manual/en/book.curl.php)
-- [PHP Mcrypt extension](http://php.net/manual/en/book.mcrypt.php){{fn(optional, required while enable the encrypt transfer feature)}}
+- [PHP Mcrypt extension](http://php.net/manual/en/book.mcrypt.php) optional required while enable the encrypt transfer feature
 
 [Laravel 5 SDK wrapper](https://github.com/overtrue/laravel-wechat)
 
diff --git a/安装.md b/安装.md
index c5922d7..27a3196 100644
--- a/安装.md
+++ b/安装.md
@@ -1,7 +1,13 @@
-环境要求: PHP >= 5.3.0
+## 环境要求
+- PHP >= 5.3.0
+- [PHP cURL 扩展](http://php.net/manual/en/book.curl.php)
+- [PHP Mcrypt 扩展](http://php.net/manual/en/book.mcrypt.php) 当启用加密消息时必选
+
 
 [Laravel 5 拓展包: overtrue/laravel-wechat](https://github.com/overtrue/laravel-wechat)
 
+## 安装
+
 1. 使用 [composer](http://getcomposer.org/):
 
   ```shell
@@ -10,14 +16,14 @@
 
 2. 手动安装
 
-  下载 [最新版zip包](https://github.com/overtrue/wechat/archive/master.zip) 或者下载指定版本: https://github.com/overtrue/wechat/releases
+  - 下载 [最新版zip包](https://github.com/overtrue/wechat/archive/master.zip) 
+  - 或者下载 [指定版本](https://github.com/overtrue/wechat/releases)
 
   然后引入根目录的 `autoload.php` 即可：
 
   ```php
   <?php
 
-  require "wechat/autoload.php"; // 路径请修改为你具体的实际路径
-
+  require __DIR__ . "/wechat/autoload.php"; // 路径请修改为你具体的实际路径
   ...
   ```
\ No newline at end of file