diff --git a/README.md b/README.md
index f6f5240..a3d8f96 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,20 @@
 # ushio-mail
-ushio mail modules
+
+## Quick Start
+
+### Import mail module
+
+```js
+const mail = require('ushio-mail')(API_url); //substitute the API_url
+
+```
+
+### Send mail
+
+```js
+await mail.send(To, Subject, Body, From);
+```
+
+## License
+
+Apache-2.0
\ No newline at end of file
diff --git a/package.json b/package.json
index 8b5626d..5e4ce3d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ushio-mail",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "ushio mail module",
   "main": "index.js",
   "scripts": {