diff --git a/ui/src/app/settings.node.test.ts b/ui/src/app/settings.node.test.ts
index 3c37d57b77bc..30343c43e5db 100644
--- a/ui/src/app/settings.node.test.ts
+++ b/ui/src/app/settings.node.test.ts
@@ -7,6 +7,7 @@ import {
   loadSettings,
   persistSessionToken,
   resolvePageGatewaySettings,
+  saveLocalUserIdentity,
   saveSettings,
   type UiSettings,
 } from "./settings.ts";
@@ -908,6 +909,20 @@ describe("loadSettings default gateway URL derivation", () => {
     });
   });
 
+  it("persists and clears normalized local user identity", () => {
+    expect(saveLocalUserIdentity({ name: " Buns ", avatar: " 🦞 " })).toEqual({
+      name: "Buns",
+      avatar: "🦞",
+    });
+    expect(loadLocalUserIdentity()).toEqual({ name: "Buns", avatar: "🦞" });
+
+    expect(saveLocalUserIdentity({ name: null, avatar: null })).toEqual({
+      name: null,
+      avatar: null,
+    });
+    expect(localStorage.getItem("openclaw.control.user.v1")).toBeNull();
+  });
+
   it("normalizes invalid local user identity values on load", () => {
     localStorage.setItem(
       "openclaw.control.user.v1",
diff --git a/ui/src/app/settings.ts b/ui/src/app/settings.ts
index c410b3ce9a32..6db07e7b10d5 100644
--- a/ui/src/app/settings.ts
+++ b/ui/src/app/settings.ts
@@ -458,6 +458,22 @@ export function loadLocalUserIdentity(): LocalUserIdentity {
   }
 }
 
+export function saveLocalUserIdentity(next: LocalUserIdentity): LocalUserIdentity {
+  const storage = getSafeLocalStorage();
+  const normalized = normalizeLocalUserIdentity(next);
+  try {
+    if (normalized.name === null && normalized.avatar === null) {
+      storage?.removeItem(LOCAL_USER_IDENTITY_KEY);
+    } else {
+      storage?.setItem(LOCAL_USER_IDENTITY_KEY, JSON.stringify(normalized));
+    }
+  } catch {
+    // best-effort — quota exceeded or security restrictions should not
+    // prevent in-memory identity updates from being applied
+  }
+  return normalized;
+}
+
 function persistSettings(next: UiSettings, options: { selectGateway?: boolean } = {}) {
   persistSessionToken(next.gatewayUrl, next.token);
   const storage = getSafeLocalStorage();
diff --git a/ui/src/pages/config/config-page.test.ts b/ui/src/pages/config/config-page.test.ts
index 98f2bfd41399..8e11e87f334c 100644
--- a/ui/src/pages/config/config-page.test.ts
+++ b/ui/src/pages/config/config-page.test.ts
@@ -1,7 +1,7 @@
 /* @vitest-environment jsdom */
 
 import { render, type ReactiveController } from "lit";
-import { afterEach, describe, expect, it, vi } from "vitest";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import type { SystemInfoResult } from "../../../../packages/gateway-protocol/src/index.js";
 import type { GatewayBrowserClient } from "../../api/gateway.ts";
 import type {
@@ -9,6 +9,8 @@ import type {
   ApplicationGateway,
   ApplicationGatewaySnapshot,
 } from "../../app/context.ts";
+import { loadLocalUserIdentity } from "../../app/settings.ts";
+import { createStorageMock } from "../../test-helpers/storage.ts";
 import { ConfigPage, configSelectionFromSearch, supportsSystemInfo } from "./config-page.ts";
 import type { ConfigViewState } from "./view.ts";
 
@@ -20,9 +22,36 @@ function deferred<T>() {
   return { promise, resolve };
 }
 
+let localStorageMock: Storage;
+
+beforeEach(() => {
+  localStorageMock = createStorageMock();
+  vi.stubGlobal("localStorage", localStorageMock);
+});
+
 afterEach(() => {
   document.body.replaceChildren();
   vi.restoreAllMocks();
+  vi.unstubAllGlobals();
+});
+
+describe("ConfigPage local user identity", () => {
+  it("persists avatar selections while preserving the local display name", () => {
+    localStorageMock.setItem(
+      "openclaw.control.user.v1",
+      JSON.stringify({ name: "Buns", avatar: "old" }),
+    );
+    const page = new ConfigPage();
+    const state = page as unknown as {
+      userAvatar: string | null;
+      setLocalUserAvatar: (avatar: string | null) => void;
+    };
+
+    state.setLocalUserAvatar("🦞");
+
+    expect(state.userAvatar).toBe("🦞");
+    expect(loadLocalUserIdentity()).toEqual({ name: "Buns", avatar: "🦞" });
+  });
 });
 
 describe("configSelectionFromSearch", () => {
diff --git a/ui/src/pages/config/config-page.ts b/ui/src/pages/config/config-page.ts
index cf6d47fe6fd6..8dae6bc77ec2 100644
--- a/ui/src/pages/config/config-page.ts
+++ b/ui/src/pages/config/config-page.ts
@@ -14,12 +14,14 @@ import {
 import { importCustomThemeFromUrl } from "../../app/custom-theme.ts";
 import { hasOperatorAdminAccess } from "../../app/operator-access.ts";
 import {
+  loadLocalUserIdentity,
   loadSettings,
   normalizeCatalogOpenTarget,
   normalizeTextScale,
   normalizeChatFollowUpMode,
   normalizeChatSendShortcut,
   patchSettings,
+  saveLocalUserIdentity,
   type UiSettings,
 } from "../../app/settings.ts";
 import { startThemeTransition } from "../../app/theme-transition.ts";
@@ -240,6 +242,7 @@ export class ConfigPage extends OpenClawLightDomElement {
   @property({ attribute: false }) routeData: ConfigRouteData | null = null;
 
   @state() private settings = loadSettings();
+  @state() private userAvatar: string | null = loadLocalUserIdentity().avatar;
   @state() private settingsMode: "quick" | "advanced" = "quick";
   @state() private systemInfo: SystemInfoResult | null = null;
   @state() private systemInfoUnavailable = false;
@@ -321,9 +324,18 @@ export class ConfigPage extends OpenClawLightDomElement {
   override connectedCallback() {
     super.connectedCallback();
     this.settings = loadSettings();
+    this.userAvatar = loadLocalUserIdentity().avatar;
     this.syncRouteData();
   }
 
+  private setLocalUserAvatar(avatar: string | null) {
+    const identity = saveLocalUserIdentity({
+      ...loadLocalUserIdentity(),
+      avatar,
+    });
+    this.userAvatar = identity.avatar;
+  }
+
   override disconnectedCallback() {
     this.systemInfoPolling.stop();
     this.invalidateSystemInfoRequest();
@@ -927,6 +939,8 @@ export class ConfigPage extends OpenClawLightDomElement {
       assistantAvatarStatus: appConfig.assistantIdentity.avatarStatus,
       assistantAvatarReason: appConfig.assistantIdentity.avatarReason,
       assistantAvatarOverride: null,
+      userAvatar: this.userAvatar,
+      onUserAvatarChange: (avatar) => this.setLocalUserAvatar(avatar),
       basePath: this.context.basePath,
     });
   }