<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Travel Tracker</title>
<link rel="stylesheet" href="./styles/main.css">
</head>
<body>
<form action="/add" method="post">
<input type="text" name="country" autofocus placeholder="<%= locals.error ? error : 'Enter country name'%>">
<button type="submit">Add</button>
</form>
<h2 class="total-count">Total Countries: <%=total%>
</h2>
<script>
const country_codes = "<%= countries %>".split(",")
console.log(typeof ("<%= countries %>"))
country_codes.forEach(code => {
document.getElementById(code).style.fill = 'teal'
});
</script>
</body>
</html>
当我试图到达http:// localhost:3000/添加路由时。获取此错误
: