我有我想在我的视图中显示的下拉列表，但它没有部署，我在我的下拉列表中看不到选项，我该如何解决
下面我将index function()显示该视图、视图中的下拉列表部分和我的脚本
Index function()
public function index(Request $request,$correo)
{
return view('home.homeRegister')->with('correo',$correo);
}
看法
!DOCTYPE html>
<html>
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link href="{{ asset('css/app.css') }}" rel="stylesheet">
<title>ACAVUCAB</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark ">
<div class="container">
<ul class="navbar-nav mr-auto">
<!-- Authentication Links -->
<div class="dropdown">
<a class="btn btn-secondary dropdown-toggle" href="#" role="button" id="dropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu" aria-labelledby="dropdownMenuLink">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
</ul>
</div>
</nav>
</body>
</html>
脚本
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
慕码人8056858
元芳怎么了