// 获取url 参数
function getQueryVariable(variable) {
	const query = window.location.search.substring(1);
	const vars = query.split("&");

	for (let i = 0; i < vars.length; i++) {
		const pair = vars[i].split("=");
		if (pair[0] == variable) {
			return pair[1];
		}
	};
	return (false);
}