• 在第二個參數中指定
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Index - lalala</title>
</head>
<body>
This is index page - lalala
</body>
</html>

var express = require('express');
var serveStatic =  require('serve-static');
var app = express().use(  serveStatic(__dirname + '/public', {'index': ['lalala.html']})  ).listen(3000);

$curl http://localhost:3000
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Index - lalala</title>
</head>
<body>
This is index page - lalala
</body>
</html>