diff --git a/src/App.js b/src/App.js
index 56e8786043..86c0bf5a77 100755
--- a/src/App.js
+++ b/src/App.js
@@ -1,9 +1,9 @@
-import React, { Component } from 'react';
-import logo from './logo.svg';
-import './App.css';
-import { withAuthenticator, AmplifySignOut } from '@aws-amplify/ui-react'
-import Amplify from 'aws-amplify';
-import aws_exports from './aws-exports';
+import React, { Component } from "react";
+import logo from "./logo.svg";
+import "./App.css";
+import { withAuthenticator, AmplifySignOut } from "@aws-amplify/ui-react";
+import Amplify from "aws-amplify";
+import aws_exports from "./aws-exports";
 Amplify.configure(aws_exports);
 
 class App extends Component {
@@ -13,17 +13,8 @@ class App extends Component {
         <AmplifySignOut />
         <header className="App-header">
           <img src={logo} className="App-logo" alt="logo" />
-          <p>
-            Edit <code>src/App.js</code> and save to reload.
-          </p>
-          <a
-            className="App-link"
-            href="https://reactjs.org"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Learn React
-          </a>
+          <h1>Sample App</h1>
+          <p>これは、web版でで作成したアプリです。</p>
         </header>
       </div>
     );