diff --git a/.gitignore b/.gitignore
index 7c24ca8..42318c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,6 @@
 ._*
 .idea
 .vscode
+
+package-lock.json
+node_modules
\ No newline at end of file
diff --git a/index.js b/index.js
index de4f69a..1df4ab7 100644
--- a/index.js
+++ b/index.js
@@ -4,42 +4,72 @@
  * @date 2020/09/18 15:59:31
  */
 
-import mailx from 'mailx'
+import nodemailer from 'nodemailer'
 
-export default class Sendmail {
-  constructor({ host, port, mail, passwd }) {
-    if (!host || !port || !mail || !passwd) {
-      throw new Error('smtp options [host, port, mail, passwd] is required.')
-    }
-    this.smtp = mailx.transport(host, port, mail, passwd)
+const DEFAULT_CONFIG = {
+  host: 'smtp.example.com',
+  port: 465,
+  secure: true,
+  auth: {
+    user: 'no-reply@example.com',
+    username: 'no-reply',
+    pass: ''
+  }
+}
+
+export class Mailer {
+  #smtp = null
+
+  #from = ''
+  #to = ''
+
+  constructor(opts) {
+    this.#smtp = nodemailer.createTransport(opts)
+    this.#from = `${opts.auth.username || 'no named'}"<${opts.auth.user}>"`
   }
 
   // 发件人
-  from(info) {
-    this.mail = mailx.message()
-    this.mail.setFrom(info.name, info.mail)
+  from(email, username) {
+    this.#from = `${username || 'no named'}"<${email}>"`
     return this
   }
 
   // 收件人
-  to(info) {
-    this.mail.addTo(info.name, info.mail)
-
+  to(email, username) {
+    this.#to = `${username || 'no named'}"<${email}>"`
     return this
   }
 
   // 发送正文
-  send(mail) {
-    this.mail.setSubject(mail.subject)
-    this.mail.setHtml(mail.content)
-    var defer = Promise.defer()
-    this.smtp.send(this.mail, function(err, res) {
-      if (err) {
-        defer.reject(err)
-      } else {
-        defer.resolve(res)
-      }
-    })
-    return defer.promise
+  send(
+    mail = {
+      subject: 'example mail',
+      text: 'example mail plain content',
+      html: '<p>example mail html content</p>'
+    }
+  ) {
+    if (!this.#to) {
+      throw new Error('the email address send to is empty!')
+    }
+
+    mail.from = this.#from
+    mail.to = this.#to
+
+    this.#to = ''
+
+    return this.#smtp.sendMail(mail)
+  }
+}
+
+export const MailModule = {
+  name: 'mail',
+  install(conf = {}) {
+    if (!conf.auth) {
+      throw new Error('mail auth account must not be empty.')
+    }
+
+    let smtp = Object.assign({}, DEFAULT_CONFIG, conf)
+
+    return new Mailer(smtp)
   }
 }
diff --git a/package.json b/package.json
index 7bc214e..1d0d0e0 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,19 @@
 {
   "name": "@gm5/mail",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "type": "module",
   "description": "邮件收发管理",
   "main": "index.js",
   "author": "yutent",
-  "keywords": ["fivejs", "controller", "http"],
-  "repository": "https://github.com/bytedo/gmf.mail.git",
-  "license": "MIT"
+  "keywords": [
+    "fivejs",
+    "gm5",
+    "mail",
+    "sendmail"
+  ],
+  "repository": "https://git.wkit.fun/gm5/mail.git",
+  "license": "MIT",
+  "dependencies": {
+    "nodemailer": "^6.9.7"
+  }
 }