Find index.html under the public file under the project:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<link rel="icon" href="static/页面图片.svg">
<title>页面名称</title>
</head>
<body>
<div id="app"></div>
</body>
</html>
