index.html

<!doctype html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width" />
		<title>RoboChallenge</title>
	</head>
	<body>
      <iframe
          src="https://robochallenge.cn/home"
          frameborder="0"
          style="width: 100%; height: 95vh; border: none;"
      ></iframe>
	</body>
</html>