diff --git a/src/locales/de-DE/translation.json b/src/locales/de-DE/translation.json
index 2140ba9b8..eec855cac 100644
--- a/src/locales/de-DE/translation.json
+++ b/src/locales/de-DE/translation.json
@@ -598,8 +598,10 @@
   "favicon_service": "Favicon-Dienst",
   "favicon_service_desc": "Dienst zum Abrufen von Website-Symbolen auswählen",
   "favicon_service_scriptcat": "ScriptCat",
-  "favicon_service_local": "Lokal abrufen",
   "favicon_service_google": "Google",
+  "favicon_service_duckduckgo": "DuckDuckGo",
+  "favicon_service_icon-horse": "Icon Horse",
+  "favicon_service_local": "Lokal abrufen",
   "editor": {
     "show_script_list": "Skriptliste anzeigen",
     "hide_script_list": "Skriptliste ausblenden"
diff --git a/src/locales/en-US/translation.json b/src/locales/en-US/translation.json
index c4546e631..adfc25758 100644
--- a/src/locales/en-US/translation.json
+++ b/src/locales/en-US/translation.json
@@ -598,8 +598,10 @@
   "favicon_service": "Favicon Service",
   "favicon_service_desc": "Choose the service for fetching website icons",
   "favicon_service_scriptcat": "ScriptCat",
-  "favicon_service_local": "Local Fetch",
   "favicon_service_google": "Google",
+  "favicon_service_duckduckgo": "DuckDuckGo",
+  "favicon_service_icon-horse": "Icon Horse",
+  "favicon_service_local": "Local Fetch",
   "editor": {
     "show_script_list": "Show Script List",
     "hide_script_list": "Hide Script List"
diff --git a/src/locales/ja-JP/translation.json b/src/locales/ja-JP/translation.json
index 15da6c833..f02ab5c34 100644
--- a/src/locales/ja-JP/translation.json
+++ b/src/locales/ja-JP/translation.json
@@ -598,8 +598,10 @@
   "favicon_service": "Favicon サービス",
   "favicon_service_desc": "ウェブサイトアイコンの取得サービスを選択",
   "favicon_service_scriptcat": "ScriptCat",
-  "favicon_service_local": "ローカル取得",
   "favicon_service_google": "Google",
+  "favicon_service_duckduckgo": "DuckDuckGo",
+  "favicon_service_icon-horse": "Icon Horse",
+  "favicon_service_local": "ローカル取得",
   "editor": {
     "show_script_list": "スクリプトリストを表示",
     "hide_script_list": "スクリプトリストを非表示"
diff --git a/src/locales/ru-RU/translation.json b/src/locales/ru-RU/translation.json
index dde675983..1607c3c57 100644
--- a/src/locales/ru-RU/translation.json
+++ b/src/locales/ru-RU/translation.json
@@ -598,8 +598,10 @@
   "favicon_service": "Сервис Favicon",
   "favicon_service_desc": "Выберите сервис для получения значков сайтов",
   "favicon_service_scriptcat": "ScriptCat",
-  "favicon_service_local": "Локальное получение",
   "favicon_service_google": "Google",
+  "favicon_service_duckduckgo": "DuckDuckGo",
+  "favicon_service_icon-horse": "Icon Horse",
+  "favicon_service_local": "Локальное получение",
   "editor": {
     "show_script_list": "Показать список скриптов",
     "hide_script_list": "Скрыть список скриптов"
diff --git a/src/locales/vi-VN/translation.json b/src/locales/vi-VN/translation.json
index 82ba4fa8d..bca7992c6 100644
--- a/src/locales/vi-VN/translation.json
+++ b/src/locales/vi-VN/translation.json
@@ -598,8 +598,10 @@
   "favicon_service": "Dịch vụ Favicon",
   "favicon_service_desc": "Chọn dịch vụ để lấy biểu tượng trang web",
   "favicon_service_scriptcat": "ScriptCat",
-  "favicon_service_local": "Lấy cục bộ",
   "favicon_service_google": "Google",
+  "favicon_service_duckduckgo": "DuckDuckGo",
+  "favicon_service_icon-horse": "Icon Horse",
+  "favicon_service_local": "Lấy cục bộ",
   "editor": {
     "show_script_list": "Hiển thị danh sách script",
     "hide_script_list": "Ẩn danh sách script"
diff --git a/src/locales/zh-CN/translation.json b/src/locales/zh-CN/translation.json
index 1dc717a82..be595b6cd 100644
--- a/src/locales/zh-CN/translation.json
+++ b/src/locales/zh-CN/translation.json
@@ -598,8 +598,10 @@
   "favicon_service": "图标服务",
   "favicon_service_desc": "选择获取网站图标的服务",
   "favicon_service_scriptcat": "ScriptCat",
-  "favicon_service_local": "本地获取",
   "favicon_service_google": "Google",
+  "favicon_service_duckduckgo": "DuckDuckGo",
+  "favicon_service_icon-horse": "Icon Horse",
+  "favicon_service_local": "本地获取",
   "editor": {
     "show_script_list": "显示脚本列表",
     "hide_script_list": "隐藏脚本列表"
diff --git a/src/locales/zh-TW/translation.json b/src/locales/zh-TW/translation.json
index 4480a1c12..9b4a48477 100644
--- a/src/locales/zh-TW/translation.json
+++ b/src/locales/zh-TW/translation.json
@@ -598,8 +598,10 @@
   "favicon_service": "圖示服務",
   "favicon_service_desc": "選擇取得網站圖示的服務",
   "favicon_service_scriptcat": "ScriptCat",
-  "favicon_service_local": "本地取得",
   "favicon_service_google": "Google",
+  "favicon_service_duckduckgo": "DuckDuckGo",
+  "favicon_service_icon-horse": "Icon Horse",
+  "favicon_service_local": "本地取得",
   "editor": {
     "show_script_list": "顯示腳本列表",
     "hide_script_list": "隱藏腳本列表"
diff --git a/src/pages/options/routes/Setting.tsx b/src/pages/options/routes/Setting.tsx
index 0ac87c935..e2ec472dc 100644
--- a/src/pages/options/routes/Setting.tsx
+++ b/src/pages/options/routes/Setting.tsx
@@ -338,6 +338,8 @@ function Setting() {
               >
                 <Select.Option value="scriptcat">{t("favicon_service_scriptcat")}</Select.Option>
                 <Select.Option value="google">{t("favicon_service_google")}</Select.Option>
+                <Select.Option value="duckduckgo">{t("favicon_service_duckduckgo")}</Select.Option>
+                <Select.Option value="icon-horse">{t("favicon_service_icon-horse")}</Select.Option>
                 <Select.Option value="local">{t("favicon_service_local")}</Select.Option>
               </Select>
             </div>
diff --git a/src/pages/store/favicons.ts b/src/pages/store/favicons.ts
index feb2da4df..21c86e8f3 100644
--- a/src/pages/store/favicons.ts
+++ b/src/pages/store/favicons.ts
@@ -195,16 +195,71 @@ export async function fetchIconByDomain(domain: string): Promise<string[]> {
 }
 
 /**
- * 根据服务类型获取favicon URL列表
+ * 根据服务类型获取 favicon URL 列表
+ *
+ * 各服务说明（包含尺寸、限制、收费、国内可用性等）：
  */
 export async function fetchIconByService(domain: string, service: FaviconService): Promise<string[]> {
   switch (service) {
     case "scriptcat":
+      /**
+       * ScriptCat 图标服务
+       * - 尺寸：支持 sz 参数（如 16 / 32 / 64 / 128）
+       * - 限制：暂无公开限流说明，小规模使用稳定
+       * - 收费：免费
+       * - 中国访问：✅ 国内可正常访问（国内服务）
+       * - 缓存：可长期缓存（返回稳定）
+       * - 特点：适合国内项目，速度快
+       */
       return [`https://ext.scriptcat.org/api/v1/open/favicons?domain=${encodeURIComponent(domain)}&sz=64`];
+
     case "google":
+      /**
+       * Google S2 Favicon 服务
+       * - 尺寸：支持 sz=16~256（常用 16/32/64）
+       * - 限制：无官方文档，存在隐性限流
+       * - 收费：免费
+       * - 中国访问：⚠️ 基本不可用
+       * - 缓存：强烈建议缓存（避免请求失败）
+       * - 特点：质量高，命中率高
+       */
       return [`https://www.google.com/s2/favicons?domain=${encodeURIComponent(domain)}&sz=64`];
+
+    case "duckduckgo":
+      /**
+       * DuckDuckGo 图标服务
+       * - 尺寸：固定（通常 64x64 或 ico 原始尺寸）
+       * - 限制：无官方说明
+       * - 收费：免费
+       * - 中国访问：⚠️ 不稳定 / 偶尔失败
+       * - 缓存：建议缓存
+       * - 特点：简单直接，返回 ico
+       */
+      return [`https://icons.duckduckgo.com/ip3/${encodeURI(domain)}.ico`];
+
+    case "icon-horse":
+      /**
+       * Icon Horse
+       * - 尺寸：自动适配（返回较高清 ico）
+       * - 限制：未公开限流策略
+       * - 收费：免费（轻量使用）
+       * - 中国访问：⚠️ 较慢或不稳定
+       * - 缓存：建议缓存
+       * - 特点：质量较好，支持 fallback
+       */
+      return [`https://icon.horse/icon/${encodeURI(domain)}`];
+
     case "local":
     default:
+      /**
+       * 本地解析 favicon
+       * - 尺寸：取决于网站（可能多尺寸）
+       * - 限制：需要自行实现抓取逻辑
+       * - 收费：无（本地逻辑）
+       * - 中国访问：✅ 完全可控
+       * - 缓存：强烈建议缓存
+       * - 特点：最可靠但实现成本高
+       */
       return await fetchIconByDomain(domain);
   }
 }
diff --git a/src/pkg/config/config.ts b/src/pkg/config/config.ts
index b569c7284..c7a48576e 100644
--- a/src/pkg/config/config.ts
+++ b/src/pkg/config/config.ts
@@ -20,7 +20,7 @@ export type CloudSyncConfig = {
   params: { [key: string]: any };
 };
 
-export type FaviconService = "scriptcat" | "local" | "google";
+export type FaviconService = "scriptcat" | "google" | "duckduckgo" | "icon-horse" | "local";
 
 export type CATFileStorage = {
   filesystem: FileSystemType;