JS强制更改返回上一页

$(function () {
window.history.pushState({}, '', '当前链接URL');
var bool = false;
setTimeout(function () {
bool = true;
}, 500);
window.addEventListener("popstate", function (e) {
if (bool) {
location.href = "需要更改返回上一页的链接";
}
}, false);
});