当检测到缺少参数时，立即跳转至首页

<script>    
(function() {    
const urlParams = new URLSearchParams(window.location.search);    
if (!urlParams.get('ext_zsbh') || !urlParams.get('ext_sfzh')) {    
console.warn('缺少必要参数，正在跳转至首页');    
window.location.href = "/";    
}    
})();    
</script>