diff --git a/DuckDuckGo-Enhanced.user.js b/DuckDuckGo-Enhanced.user.js
new file mode 100644
index 0000000..6a243e2
--- /dev/null
+++ b/DuckDuckGo-Enhanced.user.js
@@ -0,0 +1,145 @@
+// ==UserScript==
+// @name         DuckDuckGo 增强
+// @version      1.0.0
+// @author       X.I.U
+// @description  屏蔽指定域名、修复图标加载、链接不携来源、快捷回到顶部（右键两侧空白处）
+// @match        https://duckduckgo.com/*
+// @icon         https://duckduckgo.com/favicon.ico
+// @grant        GM_registerMenuCommand
+// @grant        GM_unregisterMenuCommand
+// @grant        GM_openInTab
+// @grant        GM_getValue
+// @grant        GM_setValue
+// @grant        GM_notification
+// @license      GPL-3.0 License
+// @run-at       document-end
+// @namespace    https://github.com/XIU2/UserScript
+// @supportURL   https://github.com/XIU2/UserScript
+// @homepageURL  https://github.com/XIU2/UserScript
+// ==/UserScript==
+
+(function() {
+    'use strict';
+    var menu_ALL = [
+        ['menu_blockDomainBtn', '显示屏蔽按钮', '显示屏蔽按钮', true],
+        ['menu_blockDomain', '编辑屏蔽域名', '编辑屏蔽域名', []],
+        ['menu_backToTop', '快捷回到顶部', '快捷回到顶部', true]
+    ], menu_ID = [];
+    for (let i=0;i<menu_ALL.length;i++){if (GM_getValue(menu_ALL[i][0]) == null){GM_setValue(menu_ALL[i][0], menu_ALL[i][3])};}
+    registerMenuCommand();
+
+    // 注册脚本菜单
+    function registerMenuCommand() {
+        // 如果菜单ID数组多于菜单数组，说明不是首次添加菜单，需要卸载所有脚本菜单
+        if (menu_ID.length > menu_ALL.length){for (let i=0;i<menu_ID.length;i++){GM_unregisterMenuCommand(menu_ID[i]);}}
+        // 循环注册脚本菜单
+        for (let i=0;i<menu_ALL.length;i++){
+            if (menu_ALL[i][0] === 'menu_blockDomain') {
+                menu_ID[i] = GM_registerMenuCommand(`#️⃣ ${menu_ALL[i][1]}`, function(){customBlockDomain()});
+            } else {
+                menu_ID[i] = GM_registerMenuCommand(`${GM_getValue(menu_ALL[i][0])?'✅':'❌'} ${menu_ALL[i][1]}`, function(){menu_switch(GM_getValue(menu_ALL[i][0]), menu_ALL[i][0], menu_ALL[i][2])});
+            }
+        }
+        menu_ID[menu_ID.length] = GM_registerMenuCommand('💬 反馈 & 建议', function () {window.GM_openInTab('https://github.com/XIU2/UserScript#xiu2userscript', {active: true,insert: true,setParent: true});window.GM_openInTab('https://greasyfork.org/zh-CN/scripts/436428/feedback', {active: true,insert: true,setParent: true});});
+    }
+
+    // 菜单开关
+    function menu_switch(Status, Name, Tips) {
+        if (Status == true) {GM_setValue(Name, false); GM_notification({text: `已关闭 [${Tips}] 功能\n（点击刷新网页后生效）`, timeout: 3500, onclick: function(){location.reload();}});} else {GM_setValue(Name, true); GM_notification({text: `已开启 [${Tips}] 功能\n（点击刷新网页后生效）`, timeout: 3500, onclick: function(){location.reload();}});}
+        registerMenuCommand();
+    };
+
+
+    document.documentElement.appendChild(document.createElement('style')).textContent = '.blockDomainBtn {padding: 0 8px !important; font-size: 12px !important; line-height: normal !important; margin-left: 10px !important; border-radius: 3px !important; vertical-align: top !important; opacity: 0.4 !important; top: 3px; cursor: cell;} .result.result--sep--hr {display: none;}';
+    mutationObserver(); // 屏蔽指定域名 + 修复图标加载 + 链接不携来源
+    backToTop(); //        快捷回到顶部
+
+
+    // 自定义屏蔽指定域名
+    function customBlockDomain() {
+        let nowBlockDomain = '';
+        GM_getValue('menu_blockDomain').forEach(function(item){nowBlockDomain += '|' + item})
+        let newBlockDomain = prompt('编辑 [屏蔽指定域名]\n（不同域名之间使用 "|" 分隔，例如：a.com|b.com|c.com ）', nowBlockDomain.replace('|',''));
+        if (newBlockDomain === '') {
+            GM_setValue('menu_blockDomain', []);
+            registerMenuCommand();
+        } else if (newBlockDomain != null) {
+            GM_setValue('menu_blockDomain', newBlockDomain.split('|'));
+            registerMenuCommand();
+        }
+    }
+
+
+    // 屏蔽指定域名 + 修复图标加载 + 链接不携来源
+    function mutationObserver() {
+        const callback = (mutationsList, observer) => {
+            for (const mutation of mutationsList) {
+                for (const target of mutation.addedNodes) {
+                    if (target.nodeType != 1) break
+
+                    // 屏蔽指定域名
+                    if (target.dataset.domain && checkDomain(target.dataset.domain)) {target.remove(); break;}
+
+                    // 修复图标加载
+                    let img = target.querySelector('img.result__icon__img[data-src]'); // 寻找图标元素
+                    if (img && !img.src) img.src = img.dataset.src
+
+                    // 链接不携来源
+                    addRel(target);
+
+                    // 添加屏蔽按钮
+                    addBlockDomainBtn(target, target.dataset.domain);
+                }
+            }
+        };
+        const observer = new MutationObserver(callback);
+        observer.observe(document, { childList: true, subtree: true });
+    }
+
+
+    // 检查域名是否存在黑名单中
+    function checkDomain(domain) {
+        let blockDomain = GM_getValue('menu_blockDomain');
+        for (let i=0; i<blockDomain.length; i++) {
+            if (domain === blockDomain[i]) return true
+        }
+        return false
+    }
+
+
+    // 添加 rel 属性
+    function addRel(doc) {
+        doc.querySelectorAll('a').forEach(function(one){one.rel = 'noreferrer noopener nofollow'})
+    }
+
+
+    // 添加屏蔽按钮
+    function addBlockDomainBtn(doc, domain) {
+        if (!GM_getValue('menu_blockDomainBtn')) return
+        let toElement = doc.querySelector('a.result__url');
+        if (toElement) {
+            toElement.insertAdjacentHTML('afterend', `<button class="btn blockDomainBtn" data-domain="${domain}" title="点击在搜索结果中屏蔽 [ ${domain} ] 域名">屏蔽</button>`);
+            doc.querySelector('button.blockDomainBtn').addEventListener('click', function(e) {
+                e.stopPropagation();
+                // 追加屏蔽域名
+                let blockDomain = GM_getValue('menu_blockDomain');
+                blockDomain.push(e.target.dataset.domain)
+                GM_setValue('menu_blockDomain', blockDomain);
+                // 隐藏该域名的所有搜索结果
+                document.querySelectorAll(`#links > div[data-domain="${e.target.dataset.domain}"]`).forEach(function(one){one.style.display = 'none'})
+            });
+        }
+    }
+
+
+    // 快捷回到顶部（右键两侧空白处）
+    function backToTop() {
+        if (!GM_getValue('menu_backToTop')) return
+        document.getElementById('web_content_wrapper').oncontextmenu = document.getElementById('links_wrapper').oncontextmenu = function(e){
+            if (e.target == this) {
+                e.preventDefault();
+                window.scrollTo(0,0);
+            }
+        }
+    }
+})();
\ No newline at end of file
diff --git a/README.md b/README.md
index 69febc4..0ffedf1 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@
 | [<img src="https://www.3dmgame.com/favicon.ico" height="16px" />](https://bbs.3dmgame.com) | **3DM论坛 增强** | **自动回复**、自动无缝翻页、清理置顶帖子、自动滚至隐藏... | **[安装](https://greasyfork.org/zh-CN/scripts/412890)** \| **[备用](https://cdn.jsdelivr.net/gh/XIU2/UserScript/3dm-Enhanced.user.js)** |
 | [<img src="https://www.lanzou.com/favicon.ico" height="16px" />](https://www.lanzou.com) |  **蓝奏云网盘 增强 \*** | **右键显示菜单**、直接下载文件、显示更多文件、自动密码... | **[安装](https://greasyfork.org/zh-CN/scripts/419224)** \| **[备用](https://cdn.jsdelivr.net/gh/XIU2/UserScript/Lanzou-Enhanced.user.js)** |
 | [<img src="https://user-images.githubusercontent.com/54703944/118383905-b5d32380-b634-11eb-8914-dcea8e628ed3.png" height="16px" />](https://github.com/XIU2) | **新标签页打开链接 \*** | 将网页中所有链接改为新标签页打开~ | **[安装](https://greasyfork.org/zh-CN/scripts/429714)** \| **[备用](https://cdn.jsdelivr.net/gh/XIU2/UserScript/TargetBlank.user.js)** |
+| [<img src="https://duckduckgo.com/favicon.ico" height="16px" />](https://store.steampowered.com) | **DuckDuckGo 增强** | **屏蔽指定域名**、修复图标加载、链接不携来源、快捷回到... | **[安装](https://greasyfork.org/zh-CN/scripts/436428)** \| **[备用](https://cdn.jsdelivr.net/gh/XIU2/UserScript/DuckDuckGo-Enhanced.user.js)** |
 | [<img src="https://www.52pojie.cn/favicon.ico" height="16px" />](https://www.52pojie.cn) | **吾爱破解论坛 美化** | 精简多余内容、样式优化 | **[安装](https://greasyfork.org/zh-CN/scripts/412681)** \| **[备用](https://cdn.jsdelivr.net/gh/XIU2/UserScript/52pojie-Beautification.user.js)** |
 | [<img src="https://www.52pojie.cn/favicon.ico" height="16px" />](https://www.52pojie.cn) | **吾爱破解论坛 增强** | **自动签到**、自动无缝翻页、屏蔽导读悬赏贴 (最新发表页)... | **[安装](https://greasyfork.org/zh-CN/scripts/412680)** \| **[备用](https://cdn.jsdelivr.net/gh/XIU2/UserScript/52pojie-Enhanced.user.js)** |
 | [<img src="https://i.loli.net/2021/03/30/tvOSNCmi4rIH3Ju.png" height="16px" />](https://hostloc.com) | **全球主机交流论坛 增强 \*** | **自动访问空间(22积分)、屏蔽用户**、屏蔽关键词、自动翻... | **[安装](https://greasyfork.org/zh-CN/scripts/414005)** \| **[备用](https://cdn.jsdelivr.net/gh/XIU2/UserScript/Hostloc-Enhanced.user.js)** |