diff --git a/ui/index.html b/ui/index.html
index 18a1cadb1d8b..ae53ce5df699 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -8,7 +8,7 @@
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32.png" />
     <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
-    <link rel="manifest" href="manifest.webmanifest" />
+    <link rel="manifest" href="/manifest.webmanifest" />
     <script>
       (function () {
         var THEMES = { claw: 1, knot: 1, dash: 1 };
diff --git a/ui/src/main.ts b/ui/src/main.ts
index 6899605542a4..b001d6858561 100644
--- a/ui/src/main.ts
+++ b/ui/src/main.ts
@@ -1,5 +1,6 @@
 import "./styles.css";
 import "./ui/app.ts";
+import { inferControlUiPublicAssetPath } from "./ui/public-assets.ts";
 
 type ViteImportMeta = ImportMeta & {
   readonly env?: {
@@ -11,8 +12,10 @@ declare const OPENCLAW_CONTROL_UI_BUILD_ID: string | undefined;
 
 const isProd = (import.meta as ViteImportMeta).env?.PROD === true;
 
+syncDocumentPublicAssetLinks();
+
 if (isProd && "serviceWorker" in navigator) {
-  const swUrl = new URL("./sw.js", window.location.href);
+  const swUrl = new URL(inferControlUiPublicAssetPath("sw.js"), window.location.origin);
   swUrl.searchParams.set("v", OPENCLAW_CONTROL_UI_BUILD_ID || "dev");
   void navigator.serviceWorker.register(swUrl, { updateViaCache: "none" });
 } else if (!isProd && "serviceWorker" in navigator) {
@@ -23,3 +26,21 @@ if (isProd && "serviceWorker" in navigator) {
     }
   });
 }
+
+function syncDocumentPublicAssetLinks() {
+  setDocumentLinkHref('link[rel="icon"][type="image/svg+xml"]', "favicon.svg");
+  setDocumentLinkHref('link[rel="icon"][type="image/png"]', "favicon-32.png");
+  setDocumentLinkHref('link[rel="apple-touch-icon"]', "apple-touch-icon.png");
+  setDocumentLinkHref('link[rel="manifest"]', "manifest.webmanifest");
+}
+
+function setDocumentLinkHref(
+  selector: string,
+  asset: Parameters<typeof inferControlUiPublicAssetPath>[0],
+) {
+  const link = document.querySelector<HTMLLinkElement>(selector);
+  if (!link) {
+    return;
+  }
+  link.href = inferControlUiPublicAssetPath(asset);
+}
diff --git a/ui/src/ui/public-assets.test.ts b/ui/src/ui/public-assets.test.ts
new file mode 100644
index 000000000000..7d1a310ef8ad
--- /dev/null
+++ b/ui/src/ui/public-assets.test.ts
@@ -0,0 +1,37 @@
+import { describe, expect, it } from "vitest";
+import { controlUiPublicAssetPath, inferControlUiPublicAssetPath } from "./public-assets.ts";
+
+describe("controlUiPublicAssetPath", () => {
+  it("resolves root-mounted public assets from the URL root", () => {
+    expect(controlUiPublicAssetPath("favicon.svg", "")).toBe("/favicon.svg");
+    expect(controlUiPublicAssetPath("manifest.webmanifest", null)).toBe("/manifest.webmanifest");
+  });
+
+  it("resolves base-mounted public assets under the configured base path", () => {
+    expect(controlUiPublicAssetPath("favicon.svg", "/ui")).toBe("/ui/favicon.svg");
+    expect(controlUiPublicAssetPath("sw.js", "/apps/openclaw/")).toBe("/apps/openclaw/sw.js");
+  });
+});
+
+describe("inferControlUiPublicAssetPath", () => {
+  it("uses the root for known nested routes without a configured base path", () => {
+    expect(
+      inferControlUiPublicAssetPath("manifest.webmanifest", { pathname: "/skills/workshop" }),
+    ).toBe("/manifest.webmanifest");
+  });
+
+  it("infers base-mounted assets from nested routes", () => {
+    expect(inferControlUiPublicAssetPath("sw.js", { pathname: "/openclaw/skills/workshop" })).toBe(
+      "/openclaw/sw.js",
+    );
+  });
+
+  it("prefers an explicit base path over pathname inference", () => {
+    expect(
+      inferControlUiPublicAssetPath("apple-touch-icon.png", {
+        basePath: "/control/",
+        pathname: "/skills/workshop",
+      }),
+    ).toBe("/control/apple-touch-icon.png");
+  });
+});
diff --git a/ui/src/ui/public-assets.ts b/ui/src/ui/public-assets.ts
new file mode 100644
index 000000000000..67967318cc30
--- /dev/null
+++ b/ui/src/ui/public-assets.ts
@@ -0,0 +1,52 @@
+import { inferBasePathFromPathname, normalizeBasePath } from "./navigation.ts";
+
+export type ControlUiPublicAsset =
+  | "apple-touch-icon.png"
+  | "favicon-32.png"
+  | "favicon.ico"
+  | "favicon.svg"
+  | "manifest.webmanifest"
+  | "sw.js";
+
+type WindowWithControlUiBasePath = Window &
+  typeof globalThis & {
+    __OPENCLAW_CONTROL_UI_BASE_PATH__?: string;
+  };
+
+export function controlUiPublicAssetPath(
+  asset: ControlUiPublicAsset,
+  basePath: string | null | undefined,
+): string {
+  const base = normalizeBasePath(basePath ?? "");
+  return base ? `${base}/${asset}` : `/${asset}`;
+}
+
+export function inferControlUiPublicAssetPath(
+  asset: ControlUiPublicAsset,
+  params?: {
+    basePath?: string | null;
+    pathname?: string;
+  },
+): string {
+  const configured = params?.basePath ?? readConfiguredBasePath();
+  const inferredBasePath =
+    configured != null
+      ? configured
+      : inferBasePathFromPathname(params?.pathname ?? currentPathname());
+  return controlUiPublicAssetPath(asset, inferredBasePath);
+}
+
+function readConfiguredBasePath(): string | null {
+  if (typeof window === "undefined") {
+    return null;
+  }
+  const value = (window as WindowWithControlUiBasePath).__OPENCLAW_CONTROL_UI_BASE_PATH__;
+  return typeof value === "string" ? value : null;
+}
+
+function currentPathname(): string {
+  if (typeof window === "undefined") {
+    return "/";
+  }
+  return window.location.pathname;
+}
diff --git a/ui/src/ui/views/agents-utils.ts b/ui/src/ui/views/agents-utils.ts
index a1ac4f52b830..ad2707d1f5ec 100644
--- a/ui/src/ui/views/agents-utils.ts
+++ b/ui/src/ui/views/agents-utils.ts
@@ -6,6 +6,7 @@ import {
 } from "../../../../src/agents/tool-policy-shared.js";
 import { DEFAULT_ASSISTANT_AVATAR } from "../assistant-identity.ts";
 import { buildQualifiedChatModelValue } from "../chat-model-ref.ts";
+import { controlUiPublicAssetPath } from "../public-assets.ts";
 import { normalizeLowercaseStringOrEmpty, normalizeOptionalString } from "../string-coerce.ts";
 import type {
   AgentIdentityResult,
@@ -244,13 +245,11 @@ export function resolveChatAvatarRenderUrl(
 }
 
 export function agentLogoUrl(basePath: string): string {
-  const base = normalizeOptionalString(basePath)?.replace(/\/$/, "") ?? "";
-  return base ? `${base}/favicon.svg` : "/favicon.svg";
+  return controlUiPublicAssetPath("favicon.svg", basePath);
 }
 
 export function assistantAvatarFallbackUrl(basePath: string): string {
-  const base = normalizeOptionalString(basePath)?.replace(/\/$/, "") ?? "";
-  return base ? `${base}/apple-touch-icon.png` : "/apple-touch-icon.png";
+  return controlUiPublicAssetPath("apple-touch-icon.png", basePath);
 }
 
 function isAvatarUrl(value: string): boolean {