diff --git a/CHANGELOG.md b/CHANGELOG.md
index 448eea5..cb7ab59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changelog
 
 ## [未发布 Unreleased]
+- 自定义网页徽标新增开关，关闭后恢复 ComfyUI 默认图标
+- Added a toggle for the custom web logo; turning it off restores ComfyUI's own favicon
 - 修复 ab Images 节点在新版前端下交互功能全部失效的问题（显示图像、A/B 切换、右键菜单、最小尺寸限制）
 - Fixed ab Images losing all of its interactions on the current frontend (image display, A/B switching, context menu, minimum size)
 - 修复通过 ComfyUI Manager 安装时 GuLuLu 图片加载不出来的问题
diff --git a/README.md b/README.md
index 6f9cfbb..9240088 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ This is a custom node utility package developed for ComfyUI. Initially created f
 ## 最新更新 / Last Update
 
 ### [未发布 Unreleased]
+- 自定义网页徽标新增开关，关闭后恢复 ComfyUI 默认图标  
+- Added a toggle for the custom web logo; turning it off restores ComfyUI's own favicon  
 - 修复 ab Images 节点在新版前端下交互功能全部失效的问题（显示图像、A/B 切换、右键菜单、最小尺寸限制）  
 - Fixed ab Images losing all of its interactions on the current frontend (image display, A/B switching, context menu, minimum size)  
 - 修复通过 ComfyUI Manager 安装时 GuLuLu 图片加载不出来的问题  
diff --git a/locales/en/settings.json b/locales/en/settings.json
index da40521..dc668e4 100644
--- a/locales/en/settings.json
+++ b/locales/en/settings.json
@@ -17,6 +17,10 @@
   "KayTool_SetGetBackgroundColor": {
     "name": "Set '🛜 Set/Get' Title color"
   },
+  "KayTool_EnableCustomWebLogo": {
+    "name": "Enable Custom Web Logo",
+    "tooltip": "Turn this off to keep ComfyUI's own favicon"
+  },
   "KayTool_CustomWebLogo": {
     "name": "File must be < 1MB",
     "tooltip": "This is a test feature, the file must be < 1MB, otherwise it may not be displayed"
diff --git a/locales/fr/settings.json b/locales/fr/settings.json
index 413a0c7..91123d3 100644
--- a/locales/fr/settings.json
+++ b/locales/fr/settings.json
@@ -17,6 +17,10 @@
   "KayTool_SetGetBackgroundColor": {
     "name": "Ajuster la couleur du titre '🛜 Set/Get'"
   },
+  "KayTool_EnableCustomWebLogo": {
+    "name": "Activer le logo web personnalisé",
+    "tooltip": "Désactivez pour conserver le favicon d'origine de ComfyUI"
+  },
   "KayTool_CustomWebLogo": {
     "name": "Le fichier doit être < 1 Mo",
     "tooltip": "Ceci est une fonctionnalité test, le fichier doit être < 1 Mo, sinon il pourrait ne pas s'afficher"
diff --git a/locales/ja/settings.json b/locales/ja/settings.json
index e794f20..bbbb622 100644
--- a/locales/ja/settings.json
+++ b/locales/ja/settings.json
@@ -17,6 +17,10 @@
   "KayTool_SetGetBackgroundColor": {
     "name": "「🛜 Set/Get」タイトル色を調整"
   },
+  "KayTool_EnableCustomWebLogo": {
+    "name": "カスタムウェブロゴを有効にする",
+    "tooltip": "オフにすると ComfyUI 標準のアイコンに戻ります"
+  },
   "KayTool_CustomWebLogo": {
     "name": "ファイルは1MB未満である必要があります",
     "tooltip": "これはテスト機能です。ファイルは1MB未満である必要があります。そうでない場合、表示されない可能性があります。"
diff --git a/locales/ko/settings.json b/locales/ko/settings.json
index c3c2612..f8c8d28 100644
--- a/locales/ko/settings.json
+++ b/locales/ko/settings.json
@@ -17,6 +17,10 @@
   "KayTool_SetGetBackgroundColor": {
     "name": "'🛜 Set/Get' 제목 색상 설정"
   },
+  "KayTool_EnableCustomWebLogo": {
+    "name": "사용자 지정 웹 로고 활성화",
+    "tooltip": "끄면 ComfyUI 기본 아이콘으로 돌아갑니다"
+  },
   "KayTool_CustomWebLogo": {
     "name": "파일 크기는 1MB 미만이어야 합니다.",
     "tooltip": "이 기능은 테스트 기능이며, 파일 크기가 1MB 미만이어야 표시될 수 있습니다."
diff --git a/locales/ru/settings.json b/locales/ru/settings.json
index ab81f68..9dc2f30 100644
--- a/locales/ru/settings.json
+++ b/locales/ru/settings.json
@@ -17,6 +17,10 @@
   "KayTool_SetGetBackgroundColor": {
     "name": "Установить цвет заголовка '🛜 Set/Get'"
   },
+  "KayTool_EnableCustomWebLogo": {
+    "name": "Включить пользовательский логотип",
+    "tooltip": "Выключите, чтобы вернуть стандартный значок ComfyUI"
+  },
   "KayTool_CustomWebLogo": {
     "name": "Файл должен быть < 1МБ",
     "tooltip": "Это тестовая функция, файл должен быть < 1МБ, иначе он может не отобразиться"
diff --git a/locales/zh/settings.json b/locales/zh/settings.json
index 62b4f65..98bc0c4 100644
--- a/locales/zh/settings.json
+++ b/locales/zh/settings.json
@@ -30,6 +30,10 @@
     "KayTool_SetGetBackgroundColor": {
       "name": "标题颜色"
     },
+    "KayTool_EnableCustomWebLogo": {
+      "name": "启用自定义网页徽标",
+      "tooltip": "关闭后恢复 ComfyUI 默认图标"
+    },
     "KayTool_CustomWebLogo": {
       "name": "文件必须 < 1MB",
       "tooltip": "这是一个测试功能，文件最好 <1MB ，否则可能无法显示"
diff --git a/web/customweblogo.js b/web/customweblogo.js
index ede2d59..cf2a056 100644
--- a/web/customweblogo.js
+++ b/web/customweblogo.js
@@ -3,16 +3,39 @@ import { app } from "../../../scripts/app.js";
 app.registerExtension({
     name: "KayTool.CustomWebLogo",
     async setup() {
+        // setup 跑在页面加载时、任何任务开始之前，此刻的图标就是 ComfyUI 的常态图标，
+        // 记下来供关闭开关时还原。不要退回写死的 /favicon.ico —— 新版 ComfyUI 上它是 404。
+        const originalFavicon = document.querySelector("link[rel='icon']")?.href || null;
+
         function updateFavicon(dataUrl) {
+            const href = dataUrl || originalFavicon;
+            if (!href) return; // 没有可还原的目标就别乱动，交给 ComfyUI 自己管
             let link = document.querySelector("link[rel='icon']");
             if (!link) {
                 link = document.createElement("link");
                 link.rel = "icon";
                 document.head.appendChild(link);
             }
-            link.href = dataUrl || "/favicon.ico";
+            link.href = href;
         }
 
+        function applyLogo() {
+            const enabled = app.ui.settings.getSettingValue("KayTool.EnableCustomWebLogo");
+            const logo = app.ui.settings.getSettingValue("KayTool.CustomWebLogo");
+            const usable = enabled && typeof logo === "string" && logo.startsWith("data:image/");
+            updateFavicon(usable ? logo : null);
+        }
+
+        app.ui.settings.addSetting({
+            id: "KayTool.EnableCustomWebLogo",
+            name: "Enable Custom Web Logo",
+            type: "boolean",
+            defaultValue: true,
+            tooltip: "Turn this off to keep ComfyUI's own favicon",
+            category: ["KayTool", "Custom Web Logo (BETA)", "EnableCustomWebLogo"],
+            onChange: () => applyLogo(),
+        });
+
         app.ui.settings.addSetting({
             id: "KayTool.CustomWebLogo",
             name: "File must be < 1MB",
@@ -20,16 +43,9 @@ app.registerExtension({
             tooltip: "This is a test feature. File must be < 1MB to avoid potential errors",
             defaultValue: null,
             category: ["KayTool", "Custom Web Logo (BETA)", "CustomWebLogo"],
-            onChange: (newVal) => {
-                if (newVal && typeof newVal === "string" && newVal.startsWith("data:image/")) {
-                    updateFavicon(newVal);
-                } else {
-                    updateFavicon(null);
-                }
-            },
+            onChange: () => applyLogo(),
         });
 
-        const savedLogo = app.ui.settings.getSettingValue("KayTool.CustomWebLogo");
-        updateFavicon(savedLogo && savedLogo.startsWith("data:image/") ? savedLogo : null);
+        applyLogo();
     },
-});
\ No newline at end of file
+});