diff --git a/src/web/src/hooks/useLogoSrc.ts b/src/web/src/hooks/useLogoSrc.ts
index 56b6536..4413145 100644
--- a/src/web/src/hooks/useLogoSrc.ts
+++ b/src/web/src/hooks/useLogoSrc.ts
@@ -1,6 +1,7 @@
 import {
   useBackground,
   useResolvedTheme,
+  useSettings,
   type Background,
 } from "../stores/useSettings";
 
@@ -20,3 +21,9 @@ export function useLogoSrc() {
   const theme = useResolvedTheme();
   return getLogoSrc(background, theme);
 }
+
+/** 非 React 上下文中获取当前 logo 路径（快照式，无订阅） */
+export function getCurrentLogoSrc(): string {
+  const { background, resolvedTheme } = useSettings.getState();
+  return getLogoSrc(background, resolvedTheme);
+}
diff --git a/src/web/src/hooks/useTaskNotifier.ts b/src/web/src/hooks/useTaskNotifier.ts
index 9cb3c81..8e57388 100644
--- a/src/web/src/hooks/useTaskNotifier.ts
+++ b/src/web/src/hooks/useTaskNotifier.ts
@@ -9,6 +9,7 @@ import i18next from "i18next";
 import { useWebSocket } from "../stores/useWebSocket";
 import { useInstances } from "../stores/useInstances";
 import { useSettings } from "../stores/useSettings";
+import { getCurrentLogoSrc } from "./useLogoSrc";
 import type {
   InstanceId,
   InstanceStatus,
@@ -105,6 +106,7 @@ function showCompletionNotification(
   // 导致同一实例连续完成任务时后续通知不可见。
   const notification = new Notification("Paimon", {
     body: i18next.t("notification.taskComplete", { name: dirName }),
+    icon: getCurrentLogoSrc(),
   });
 
   // 点击通知：聚焦窗口并导航到对应实例