为什么获取不出来IP
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>11111</title>
<script type="text/javascript" src="https://apis.juhe.cn/ip/Example/query.php?action=current"></script><script type="text/javascript">
document.write('ip地址:' + returnCitySN["ip"]);
<script type="text/javascript">
</script>
</head>
<body>
</body>