diff --git a/README.md b/README.md
index 243ab14..fbe833a 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,65 @@
-# ssprojet
+# miis
 
-![NPM](https://img.shields.io/npm/l/ssprojet?color=blue&style=flat-square) ![npm](https://img.shields.io/npm/v/ssprojet?color=blue&style=flat-square)
+![NPM](https://img.shields.io/npm/l/miis?color=blue&style=flat-square) ![npm](https://img.shields.io/npm/v/miis?color=blue&style=flat-square)
 
-The `ssprojet` is a template to start a simple project.
+> The `miis` is a tiny functional event subscriber and dispatcher.
 
-## Features
+## Install
 
-- `pnpm` - package manager
-- `vitest` - test library
-- `docusaurus` - document library
-- `prettier` - code style formate
-- `eslint` - code quality
+This project need node and npm.
 
-## How to use
+```shell
+npm install miis --save
+```
 
-You could use `degit Yukiniro/ssprojet your-project-name` to create a project.
+or
 
-If you have no `degit`. Please install it by `npm install -g degit`.
+```shell
+pnpm add miis --save
+```
+
+## Useage
+
+```javascript
+import miis from 'miis';
+
+miis.subscribe("a", (...args) => {
+  console.log('a event call'); // a event call
+  console.log(...args); /// 1, 2, 3
+});
+miis.dispatch("a", 1, 2, 3);
+```
+
+You could unsubscribe the event lisenter with the result of subscribe.
+
+```javascript
+import miis from 'miis';
+
+const unsubscribe = miis.subscribe("a", () => {
+  console.log('a event call');
+});
+unsubscribe();
+
+miis.dispatch("a"); // not work
+```
+
+## API
+
+### subscirbe
+
+Register an event listenter for the given name.
+
+#### Params
+
+- `eventName` __string | symbol__ Name of event to listen for.
+- `listenter` __Function__ Function to call in response to given event
+
+#### Returns
+
+- `unsubscribe` __Function__ Function to remove the listenter.
+
+### dispatch
+
+Invoke all handlers for the given name.
+
+- `eventName` __string | symbol__ Name of event to invoke for.
\ No newline at end of file
diff --git a/package.json b/package.json
index f70c36c..85603c1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "miis",
-  "version": "0.0.1",
+  "version": "1.0.0",
   "description": "Tiny functional event subscriber and dispatcher.",
   "main": "index.ts",
   "scripts": {