diff --git a/Readme.md b/Readme.md
index 77191b0..099bc4e 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,12 +1,45 @@
-![module info](https://nodei.co/npm/@gm5/controller.png?downloads=true&downloadRank=true&stars=true)
 
-# @gm5/controller
+![downloads](https://img.shields.io/npm/dt/@gm5/mail.svg)
+![version](https://img.shields.io/npm/v/@gm5/mail.svg)
 
-> 控制器基类。
+# @gm5/mail
+
+> 一个简单的邮件发送模块, 可用于发送系统邮件, 如注册验证等。
 
 ## 安装
 
 ```bash
-npm install @gm5/controller
+npm i @gm5/mail
 ```
 
+## 使用
+
+```js
+
+import { createApp } from '@gm5/code'
+import { MailModule } from '@gm5/mail'
+
+var app = createApp()
+
+app.install(MailModule, {
+    auth: {
+      user: 'example@example.com',
+      username: 'example',
+      pass: '123456'
+    } 
+  })
+  .run()
+
+
+
+// in controller 
+
+this.context.$$mail
+  .to('tom@xx.com', 'tom')
+  .send({
+    subject: 'hello',
+    text: 'how are you?',
+    html: '<p>how are you?</p>'
+  })
+
+```
\ No newline at end of file