diff --git a/README.md b/README.md
index edf44e0..e191169 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+
 # Using Try Catch
 
 Simplify the use of try-catch.
@@ -9,9 +10,10 @@ Avoid writing code that contains high scope decoupling with using-try-catch.
 [![GitHub license](https://img.shields.io/github/license/Oda2/using-try-catch)](https://github.com/Oda2/using-try-catch/blob/master/LICENSE)
 [![GitHub issues](https://img.shields.io/github/issues/Oda2/using-try-catch)](https://github.com/Oda2/using-try-catch/issues)
 [![GitHub stars](https://img.shields.io/github/stars/Oda2/using-try-catch)](https://github.com/Oda2/using-try-catch/stargazers)
-[![CDN jsdelivr](https://img.shields.io/badge/cdn%20jsdelivr-0.2.1-green)](https://cdn.jsdelivr.net/npm/using-try-catch@0.2.1/dist/usingTryCatch.js)
+[![CDN jsdelivr](https://img.shields.io/badge/cdn%20jsdelivr-0.3.0-green)](https://cdn.jsdelivr.net/npm/using-try-catch@0.3.0/dist/usingTryCatch.js)
 [![Vulnerability](https://img.shields.io/snyk/vulnerabilities/github/oda2/using-try-catch)](https://github.com/Oda2/using-try-catch)
-[![Edit admiring-sun-5qry6](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/using-try-catch-zul50)
+[![npm](https://img.shields.io/npm/v/using-try-catch?color=green)](https://www.npmjs.com/package/using-try-catch)
+![npm](https://img.shields.io/npm/dy/using-try-catch)
 
 ## Installation
 
@@ -129,6 +131,12 @@ const example = async () => {
 example();
 ```
 
+## Live Demo
+
+In order to carry out a test without cloning or installing the repository, you can test directly through CodeSandbox in an example I created.
+
+[![Edit admiring-sun-5qry6](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/using-try-catch-zul50)
+
 ## Examples
 
 ### Typescript
@@ -176,7 +184,7 @@ example();
     <img id="dog-1" />
     <img id="dog-2" />
 
-    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/using-try-catch@0.2.1/usingTryCatch.js"></script>
+    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/using-try-catch@0.3.0/usingTryCatch.js"></script>
     <script>
       document.addEventListener('DOMContentLoaded', function loaded() {
 
diff --git a/package.json b/package.json
index 4371470..f8c58b6 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.2.1",
+  "version": "0.3.0",
   "license": "MIT",
   "name": "using-try-catch",
   "homepage": "https://github.com/Oda2/using-try-catch",