没有出现正确效果，Uncaught SyntaxError: Unexpected token
按视频里的步骤做的，请问哪里出错了啊
Uncaught SyntaxError: Unexpected token
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>bootstrap</title>
<link rel="stylesheet" type="text/css" href="/Users/zhoujiayi/Downloads/bootstrap/css/bootstrap.min.css">
<script src="/Users/zhoujiayi/Downloads/jquery-3.3.1"></script>
<script src="/Users/zhoujiayi/Downloads/jquery-3.3.1/jquery-3.3.1.min.js"></script>
</head>
<body>
<button>hello</button>
</body>
</html>
