diff --git a/scripts/check-native-shells.mjs b/scripts/check-native-shells.mjs
index 8a8b3c357..83e40a637 100644
--- a/scripts/check-native-shells.mjs
+++ b/scripts/check-native-shells.mjs
@@ -77,6 +77,7 @@ const h5HostBridgeRequiredCallChainFiles = [
   'src/components/platform-entry/PlatformEntryFlowShellImpl.tsx',
   'src/components/platform-entry/PlatformFeedbackView.tsx',
   'src/components/platform-entry/PlatformProfilePrimitives.tsx',
+  'src/components/platform-entry/PlatformProfileQrScannerModal.tsx',
   'src/components/platform-entry/PlatformProfileReferralModal.tsx',
   'src/components/platform-entry/PlatformProfileRewardCodeRedeemModal.tsx',
   'src/components/platform-entry/usePlatformProfileCenterController.ts',
@@ -430,6 +431,7 @@ const h5HostBridgeTests = [
   'src/components/bark-battle-creation/BarkBattleResultView.test.tsx',
   'src/components/common/CreativeAudioInputPanel.test.tsx',
   'src/components/common/PublishShareModal.test.tsx',
+  'src/components/platform-entry/PlatformProfileQrScannerModal.test.tsx',
   'src/components/creation-agent/CreationAgentWorkspace.test.tsx',
   'src/components/visual-novel-result/VisualNovelResultView.test.tsx',
   'src/components/platform-entry/platformDraftGenerationShelfModel.test.ts',
diff --git a/src/components/platform-entry/PlatformProfileQrScannerModal.test.tsx b/src/components/platform-entry/PlatformProfileQrScannerModal.test.tsx
index 12f6ecbf2..0a0373640 100644
--- a/src/components/platform-entry/PlatformProfileQrScannerModal.test.tsx
+++ b/src/components/platform-entry/PlatformProfileQrScannerModal.test.tsx
@@ -3,6 +3,7 @@
 import { act, render, screen } from '@testing-library/react';
 import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest';
 
+import * as hostBridgeServices from '../../services/host-bridge/hostBridge';
 import { PlatformProfileQrScannerModal } from './PlatformProfileQrScannerModal';
 
 type MockTrack = {
@@ -49,6 +50,7 @@ describe('PlatformProfileQrScannerModal', () => {
   });
 
   test('detects qr result and stops camera tracks', async () => {
+    vi.spyOn(hostBridgeServices, 'scanHostQrCode').mockResolvedValue(false);
     const stop = vi.fn();
     const stream = buildStream([{ stop }]);
     const getUserMedia = vi.fn().mockResolvedValue(stream);
@@ -84,6 +86,7 @@ describe('PlatformProfileQrScannerModal', () => {
   });
 
   test('releases camera resource when modal unmounts before recognition', async () => {
+    vi.spyOn(hostBridgeServices, 'scanHostQrCode').mockResolvedValue(false);
     const stop = vi.fn();
     const stream = buildStream([{ stop }]);
     const getUserMedia = vi.fn().mockResolvedValue(stream);
@@ -112,6 +115,59 @@ describe('PlatformProfileQrScannerModal', () => {
     expect(stop).toHaveBeenCalledTimes(1);
     expect(screen.queryByRole('dialog', { name: '扫码' })).toBeNull();
   });
+
+  test('uses native QR scanner before browser camera', async () => {
+    const getUserMedia = vi.fn();
+    const onResult = vi.fn();
+    vi.spyOn(hostBridgeServices, 'scanHostQrCode').mockResolvedValue({
+      value: 'https://app.genarrative.world/works/detail?work=PZ-1',
+      format: 'qr_code',
+    });
+    installMediaDevices(getUserMedia);
+
+    render(
+      <PlatformProfileQrScannerModal
+        error={null}
+        result={null}
+        onClose={vi.fn()}
+        onError={vi.fn()}
+        onResult={onResult}
+      />,
+    );
+
+    await act(async () => {
+      await flushPromises();
+    });
+
+    expect(onResult).toHaveBeenCalledWith(
+      'https://app.genarrative.world/works/detail?work=PZ-1',
+    );
+    expect(getUserMedia).not.toHaveBeenCalled();
+  });
+
+  test('closes scanner without browser fallback when native scan is cancelled', async () => {
+    const getUserMedia = vi.fn();
+    const onClose = vi.fn();
+    vi.spyOn(hostBridgeServices, 'scanHostQrCode').mockResolvedValue(null);
+    installMediaDevices(getUserMedia);
+
+    render(
+      <PlatformProfileQrScannerModal
+        error={null}
+        result={null}
+        onClose={onClose}
+        onError={vi.fn()}
+        onResult={vi.fn()}
+      />,
+    );
+
+    await act(async () => {
+      await flushPromises();
+    });
+
+    expect(onClose).toHaveBeenCalledTimes(1);
+    expect(getUserMedia).not.toHaveBeenCalled();
+  });
 });
 
 function buildStream(tracks: MockTrack[]): MockStream {
diff --git a/src/components/platform-entry/PlatformProfileQrScannerModal.tsx b/src/components/platform-entry/PlatformProfileQrScannerModal.tsx
index a36d813f7..a59c587ab 100644
--- a/src/components/platform-entry/PlatformProfileQrScannerModal.tsx
+++ b/src/components/platform-entry/PlatformProfileQrScannerModal.tsx
@@ -2,6 +2,7 @@ import { useEffect, useRef } from 'react';
 
 import { PlatformModalCloseButton } from '../common/PlatformModalCloseButton';
 import { PlatformStatusMessage } from '../common/PlatformStatusMessage';
+import { scanHostQrCode } from '../../services/host-bridge/hostBridge';
 import { PlatformProfileModalShell } from './PlatformProfileModalShell';
 
 const PROFILE_QR_SCAN_INTERVAL_MS = 360;
@@ -102,7 +103,7 @@ export function PlatformProfileQrScannerModal({
       }
     };
 
-    const startCamera = async () => {
+    const startBrowserCamera = async () => {
       if (
         typeof navigator === 'undefined' ||
         !navigator.mediaDevices?.getUserMedia
@@ -136,7 +137,28 @@ export function PlatformProfileQrScannerModal({
       }
     };
 
-    void startCamera();
+    const startScanner = async () => {
+      try {
+        const nativeResult = await scanHostQrCode();
+        if (!isMounted) {
+          return;
+        }
+        if (nativeResult) {
+          onResult(nativeResult.value);
+          return;
+        }
+        if (nativeResult === null) {
+          onClose();
+          return;
+        }
+      } catch {
+        // 浏览器摄像头路径继续承接不支持或异常宿主。
+      }
+
+      await startBrowserCamera();
+    };
+
+    void startScanner();
 
     return () => {
       isMounted = false;