Prevent wandering. Show a dialog when you try to visit a new page, and the action is prevented.
// ==UserScript==
// @name No Wandering
// @name:zh-CN 阻止摸鱼
// @namespace yuandi42
// @version 0.0.1
// @grant none
// @include *.bilibili.com*
// @include *hentaihand.com*
// @description Prevent wandering. Show a dialog when you try to visit a new page, and the action is prevented.
// @description:zh-CN 防止漫游。在尝试访问新页面时弹框报警。离开摸鱼，拥抱效率！
// ==/UserScript==
(function () {
alert("Go to study please, asshole:(");
window.close();window.location = "about:blank";
})()