diff --git a/apps/mobile-shell/scripts/check-config.mjs b/apps/mobile-shell/scripts/check-config.mjs
index f6831b93b..7787b1905 100644
--- a/apps/mobile-shell/scripts/check-config.mjs
+++ b/apps/mobile-shell/scripts/check-config.mjs
@@ -1952,6 +1952,7 @@ for (const notificationSnippet of [
   'normalizeHostBridgeLocalNotification(request.payload)',
   "invalidRequest('title is required')",
   "message: 'notification permission unavailable'",
+  "message: 'notification delivery unavailable'",
   'showMobileLocalNotification(notification)',
   'ok(request, await showMobileLocalNotification(notification))',
   'HOST_BRIDGE_LOCAL_NOTIFICATION_DELIVERED_TO_SYSTEM_RESULT',
@@ -1964,7 +1965,10 @@ for (const notificationSnippet of [
 for (const snippet of [
   'rejects delivery when current permission lookup is unavailable',
   'rejects delivery when permission request is unavailable',
+  'maps Android channel setup failures to stable delivery errors',
+  'maps native notification schedule failures to stable delivery errors',
   "message: 'notification permission unavailable'",
+  "message: 'notification delivery unavailable'",
   'expect(Notifications.setNotificationChannelAsync).not.toHaveBeenCalled()',
   'expect(Notifications.scheduleNotificationAsync).not.toHaveBeenCalled()',
 ]) {
diff --git a/apps/mobile-shell/src/host-bridge/notifications.test.ts b/apps/mobile-shell/src/host-bridge/notifications.test.ts
index 7c59dca6f..f004778ce 100644
--- a/apps/mobile-shell/src/host-bridge/notifications.test.ts
+++ b/apps/mobile-shell/src/host-bridge/notifications.test.ts
@@ -226,6 +226,35 @@ describe('mobile local notification helpers', () => {
     });
   });
 
+  test('maps Android channel setup failures to stable delivery errors', async () => {
+    setPlatformOS('android');
+    vi.mocked(Notifications.setNotificationChannelAsync).mockRejectedValueOnce(
+      new Error('native channel failed'),
+    );
+
+    await expect(
+      showMobileLocalNotification({ title: '生成完成' }),
+    ).rejects.toMatchObject({
+      code: 'host_error',
+      message: 'notification delivery unavailable',
+    });
+
+    expect(Notifications.scheduleNotificationAsync).not.toHaveBeenCalled();
+  });
+
+  test('maps native notification schedule failures to stable delivery errors', async () => {
+    vi.mocked(Notifications.scheduleNotificationAsync).mockRejectedValueOnce(
+      new Error('native schedule failed'),
+    );
+
+    await expect(
+      showMobileLocalNotification({ title: '生成完成' }),
+    ).rejects.toMatchObject({
+      code: 'host_error',
+      message: 'notification delivery unavailable',
+    });
+  });
+
   test('normalizes HostBridge payload and wraps structured delivery result', async () => {
     const response = await showMobileHostBridgeLocalNotification(
       request({
diff --git a/apps/mobile-shell/src/host-bridge/notifications.ts b/apps/mobile-shell/src/host-bridge/notifications.ts
index 6b6ed7526..4a0b1913e 100644
--- a/apps/mobile-shell/src/host-bridge/notifications.ts
+++ b/apps/mobile-shell/src/host-bridge/notifications.ts
@@ -74,23 +74,30 @@ export async function showMobileLocalNotification(
   notification: LocalNotificationPayload,
 ) {
   await ensureNotificationPermission();
-  if (Platform.OS === 'android') {
-    await Notifications.setNotificationChannelAsync(
-      HOST_BRIDGE_MOBILE_LOCAL_NOTIFICATION_CHANNEL_ID,
-      {
-        name: 'Genarrative',
-        importance: Notifications.AndroidImportance.DEFAULT,
-      },
-    );
-  }
+  try {
+    if (Platform.OS === 'android') {
+      await Notifications.setNotificationChannelAsync(
+        HOST_BRIDGE_MOBILE_LOCAL_NOTIFICATION_CHANNEL_ID,
+        {
+          name: 'Genarrative',
+          importance: Notifications.AndroidImportance.DEFAULT,
+        },
+      );
+    }
 
-  await Notifications.scheduleNotificationAsync({
-    content: notification,
-    trigger:
-      Platform.OS === 'android'
-        ? { channelId: HOST_BRIDGE_MOBILE_LOCAL_NOTIFICATION_CHANNEL_ID }
-        : null,
-  });
+    await Notifications.scheduleNotificationAsync({
+      content: notification,
+      trigger:
+        Platform.OS === 'android'
+          ? { channelId: HOST_BRIDGE_MOBILE_LOCAL_NOTIFICATION_CHANNEL_ID }
+          : null,
+    });
+  } catch {
+    throw {
+      code: 'host_error',
+      message: 'notification delivery unavailable',
+    } satisfies HostBridgeError;
+  }
   return HOST_BRIDGE_LOCAL_NOTIFICATION_DELIVERED_TO_SYSTEM_RESULT;
 }