diff --git a/src/send-mail-demo.js b/src/send-mail-demo.js
new file mode 100644
index 0000000000000000000000000000000000000000..40534de09c6cefd9fdc11716383bf1df1ba58a41
--- /dev/null
+++ b/src/send-mail-demo.js
@@ -0,0 +1,15 @@
+var mail = require('topsin.mail');
+var error = require('topsin.error'); 
+var err = mail.sendMail({
+    host:'smtp.exmail.qq.com',
+    auth_method:mail.AuthMethod.LOGIN,
+    connection_type:mail.ConnectionType.TCP,
+    from:'leon.li@topibd.com',
+    password:'mailpassword',
+    to:'leon.li@topibd.com',
+    subject:'topjs mail test title',
+    content:'topjs mail test body18'
+});
+if (err.isValid()) {
+    print(err.text());
+}
\ No newline at end of file