diff --git a/README.md b/README.md
index 5df9518..140bf8b 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,11 @@
 
 A customizable, accessible React Tree component built with TypeScript. This component provides a flexible tree structure that can be easily integrated into any React application.
 
+## Demo
+
+- [Basic Tree](https://codesandbox.io/p/sandbox/sqrr9q)
+- [Tree With Json](https://codesandbox.io/p/sandbox/sgt5nq)
+
 ## Features
 
 - 🌳 **Flexible Tree Structure**: Support for nested tree items with unlimited depth
diff --git a/package.json b/package.json
index e85fd5c..f8042a3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@roseline124/react-tree",
-  "version": "0.0.3-alpha.0",
+  "version": "0.0.4-alpha.0",
   "private": false,
   "description": "A customizable, accessible React Tree component built with TypeScript",
   "author": "roseline124 <guseod24@gmail.com>",