diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index aa99d61b6e..81a9be71bd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -97,6 +97,9 @@ importers:
       '@phosphor-icons/react':
         specifier: ^2.1.10
         version: 2.1.10(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
+      lucide-react:
+        specifier: ^0.541.0
+        version: 0.541.0(react@18.3.1)
       react:
         specifier: ^18.3.1
         version: 18.3.1
diff --git a/src/apps/desktop/src/api/miniapp_market_api.rs b/src/apps/desktop/src/api/miniapp_market_api.rs
index 3ca47dd606..304cb4726b 100644
--- a/src/apps/desktop/src/api/miniapp_market_api.rs
+++ b/src/apps/desktop/src/api/miniapp_market_api.rs
@@ -5,6 +5,8 @@
 //! update transaction against the desktop MiniApp manager.
 
 use crate::api::app_state::AppState;
+use bitfun_core::infrastructure::events::{emit_global_event, BackendEvent};
+use bitfun_core::miniapp::lifecycle::miniapp_runtime_event_payload;
 use bitfun_core::miniapp::{
     MiniApp, MiniAppCustomizationMetadata, MiniAppPermissionDiff, MiniAppPermissions, MiniAppSource,
 };
@@ -344,6 +346,16 @@ pub async fn miniapp_market_install(
             .map_err(|error| error.to_string())?;
         (app, false, diff)
     };
+    let (event_name, reason) = if updated {
+        ("miniapp-updated", "market-update")
+    } else {
+        ("miniapp-created", "market-install")
+    };
+    let _ = emit_global_event(BackendEvent::Custom {
+        event_name: event_name.to_string(),
+        payload: miniapp_runtime_event_payload(&app, reason),
+    })
+    .await;
     Ok(MarketInstallResult {
         app,
         origin,
diff --git a/src/miniapp-market-web/README.md b/src/miniapp-market-web/README.md
index 713ac609d3..670f7ba9b2 100644
--- a/src/miniapp-market-web/README.md
+++ b/src/miniapp-market-web/README.md
@@ -35,6 +35,7 @@
 | `src/App.tsx` | 目录、详情、受开关控制的投稿、只读“我的投稿”和管理员审核页面 |
 | `src/api.ts` | `/miniapp/api/v1` 客户端、CSRF、登录和下载 URL |
 | `src/types.ts` | 网页使用的 API DTO |
+| `src/MiniAppIcon.tsx` | 将 MiniApp 元数据中的 Lucide 图标名安全解析为图标组件 |
 | `src/i18n.ts` | `zh-CN`、`zh-TW`、`en-US` 文案与 fallback |
 | `src/format.ts` | 市场页面的日期和数字格式化 |
 | `src/styles.css` | 响应式布局与视觉样式 |
diff --git a/src/miniapp-market-web/package.json b/src/miniapp-market-web/package.json
index 78a304c819..bc5ba59b08 100644
--- a/src/miniapp-market-web/package.json
+++ b/src/miniapp-market-web/package.json
@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@phosphor-icons/react": "^2.1.10",
+    "lucide-react": "^0.541.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   },
diff --git a/src/miniapp-market-web/src/App.tsx b/src/miniapp-market-web/src/App.tsx
index 53bc6f3701..2b39085116 100644
--- a/src/miniapp-market-web/src/App.tsx
+++ b/src/miniapp-market-web/src/App.tsx
@@ -33,6 +33,7 @@ import {
 import { downloadUrl, loginUrl, marketApi, MarketApiError } from './api';
 import { formatCompactNumber, formatMarketDate } from './format';
 import { useLocale, type Locale, type MessageKey } from './i18n';
+import { MiniAppIcon } from './MiniAppIcon';
 import { useTheme, type Theme } from './theme';
 import type {
   AdminSubmissionDetail,
@@ -598,7 +599,7 @@ function AppCard({
           <img src={app.screenshotUrls[0]} alt={localized.name} loading="lazy" />
         ) : (
           <span className="app-icon-large">
-            {app.icon || <Cube weight="duotone" aria-hidden="true" />}
+            <MiniAppIcon name={app.icon} />
           </span>
         )}
       </div>
@@ -609,7 +610,7 @@ function AppCard({
         </div>
         <div className="card-heading">
           <span className="app-icon">
-            {app.icon || <Cube weight="duotone" aria-hidden="true" />}
+            <MiniAppIcon name={app.icon} />
           </span>
           <div>
             <h2>{localized.name}</h2>
@@ -715,7 +716,7 @@ function DetailPage({
           <span className="category-chip">{categoryLabel(app.category, t)}</span>
           <div className="detail-title-row">
             <span className="detail-icon">
-              {app.icon || <Cube weight="duotone" aria-hidden="true" />}
+              <MiniAppIcon name={app.icon} />
             </span>
             <div>
               <h1>{localized.name}</h1>
@@ -806,7 +807,7 @@ function DetailPage({
               ))}
             </div>
           ) : (
-            <span>{app.icon || <Cube weight="duotone" aria-hidden="true" />}</span>
+            <span><MiniAppIcon name={app.icon} /></span>
           )}
         </div>
       </section>
@@ -1260,7 +1261,7 @@ function AdminPage({
               }}
             >
               <span className="app-icon">
-                {item.icon || <Cube weight="duotone" aria-hidden="true" />}
+                <MiniAppIcon name={item.icon} />
               </span>
               <span>
                 <strong>{item.name}</strong>
@@ -1284,7 +1285,7 @@ function AdminPage({
             <>
               <div className="review-summary">
                 <span className="detail-icon">
-                  {selected.submission.icon || <Cube weight="duotone" aria-hidden="true" />}
+                  <MiniAppIcon name={selected.submission.icon} />
                 </span>
                 <div>
                   <h2>{selected.submission.name}</h2>
@@ -1509,7 +1510,7 @@ function SubmissionRow({
   return (
     <article className="submission-row">
       <span className="app-icon">
-        {item.icon || <Cube weight="duotone" aria-hidden="true" />}
+        <MiniAppIcon name={item.icon} />
       </span>
       <div>
         <h2>{item.name}</h2>
diff --git a/src/miniapp-market-web/src/MiniAppIcon.test.tsx b/src/miniapp-market-web/src/MiniAppIcon.test.tsx
new file mode 100644
index 0000000000..4f83eee931
--- /dev/null
+++ b/src/miniapp-market-web/src/MiniAppIcon.test.tsx
@@ -0,0 +1,24 @@
+import { renderToStaticMarkup } from 'react-dom/server';
+import { describe, expect, it } from 'vitest';
+import { MiniAppIcon } from './MiniAppIcon';
+
+describe('MiniAppIcon', () => {
+  it.each([
+    ['Aperture', 'lucide-aperture'],
+    ['Grid3x3', 'lucide-grid-3x3'],
+    ['git-pull-request', 'lucide-git-pull-request'],
+  ])('renders the supported metadata identifier %s as an icon', (name, className) => {
+    const markup = renderToStaticMarkup(<MiniAppIcon name={name} />);
+
+    expect(markup).toContain('<svg');
+    expect(markup).toContain(className);
+    expect(markup).not.toContain(`>${name}<`);
+  });
+
+  it('uses a stable icon fallback for unknown or empty metadata', () => {
+    expect(renderToStaticMarkup(<MiniAppIcon name="unknown-market-icon" />))
+      .toContain('lucide-box');
+    expect(renderToStaticMarkup(<MiniAppIcon name="" />))
+      .toContain('lucide-box');
+  });
+});
diff --git a/src/miniapp-market-web/src/MiniAppIcon.tsx b/src/miniapp-market-web/src/MiniAppIcon.tsx
new file mode 100644
index 0000000000..b339cc66b0
--- /dev/null
+++ b/src/miniapp-market-web/src/MiniAppIcon.tsx
@@ -0,0 +1,69 @@
+import {
+  Aperture,
+  AppWindow,
+  Box,
+  Bot,
+  Code,
+  Database,
+  FileText,
+  GitPullRequest,
+  Globe,
+  Grid3x3,
+  Image,
+  LayoutGrid,
+  Presentation,
+  Regex,
+  Rocket,
+  Settings,
+  Sparkles,
+  Terminal,
+  Workflow,
+  Wrench,
+  type LucideIcon,
+} from 'lucide-react';
+
+// Keep this allowlist aligned with the native MiniApp gallery. Marketplace
+// metadata stores a Lucide icon identifier (for example, "Aperture"), not
+// display text. Unknown identifiers deliberately fall back to Box so untrusted
+// metadata can never become oversized text inside the icon slot.
+const MINI_APP_ICONS = {
+  Aperture,
+  AppWindow,
+  Box,
+  Bot,
+  Code,
+  Database,
+  FileText,
+  GitPullRequest,
+  Globe,
+  Grid3x3,
+  Image,
+  LayoutGrid,
+  Presentation,
+  Regex,
+  Rocket,
+  Settings,
+  Sparkles,
+  Terminal,
+  Workflow,
+  Wrench,
+} satisfies Record<string, LucideIcon>;
+
+function normalizeIconName(name: string | null | undefined): string {
+  return (name || 'Box')
+    .trim()
+    .split('-')
+    .filter(Boolean)
+    .map((part) => part.charAt(0).toUpperCase() + part.slice(1))
+    .join('');
+}
+
+export function resolveMiniAppIcon(name: string | null | undefined): LucideIcon {
+  const key = normalizeIconName(name) as keyof typeof MINI_APP_ICONS;
+  return MINI_APP_ICONS[key] || Box;
+}
+
+export function MiniAppIcon({ name }: { name: string | null | undefined }) {
+  const Icon = resolveMiniAppIcon(name);
+  return <Icon size={24} strokeWidth={1.5} aria-hidden="true" focusable="false" />;
+}
diff --git a/src/web-ui/src/app/scenes/miniapps/miniAppStore.test.ts b/src/web-ui/src/app/scenes/miniapps/miniAppStore.test.ts
index b119775a6e..8ea42df292 100644
--- a/src/web-ui/src/app/scenes/miniapps/miniAppStore.test.ts
+++ b/src/web-ui/src/app/scenes/miniapps/miniAppStore.test.ts
@@ -53,6 +53,28 @@ describe('miniAppStore customization state', () => {
     expect(useMiniAppStore.getState().openedAppIds).toEqual(['gomoku']);
     expect(useMiniAppStore.getState().runningWorkerIds).toEqual(['gomoku']);
   });
+
+  it('adds and updates an installed app without waiting for a catalog reload', () => {
+    const installed = {
+      id: 'market-app',
+      name: 'Market App',
+      description: '',
+      category: 'productivity',
+      version: 1,
+      icon: 'Aperture',
+      tags: [],
+      created_at: 1,
+      updated_at: 1,
+      permissions: {},
+    };
+
+    useMiniAppStore.getState().upsertApp(installed);
+    expect(useMiniAppStore.getState().apps).toEqual([installed]);
+
+    const updated = { ...installed, name: 'Updated Market App', version: 2 };
+    useMiniAppStore.getState().upsertApp(updated);
+    expect(useMiniAppStore.getState().apps).toEqual([updated]);
+  });
 });
 
 describe('miniAppStore floating bubble composer claims', () => {
diff --git a/src/web-ui/src/app/scenes/miniapps/miniAppStore.ts b/src/web-ui/src/app/scenes/miniapps/miniAppStore.ts
index 5ca0b0edf3..26654ad5d9 100644
--- a/src/web-ui/src/app/scenes/miniapps/miniAppStore.ts
+++ b/src/web-ui/src/app/scenes/miniapps/miniAppStore.ts
@@ -148,6 +148,7 @@ interface MiniAppState {
   composerClaims: Record<string, MiniAppComposerClaim>;
 
   setApps: (apps: MiniAppMeta[]) => void;
+  upsertApp: (app: MiniAppMeta) => void;
   setLoading: (loading: boolean) => void;
   openApp: (id: string) => void;
   closeApp: (id: string) => void;
@@ -186,6 +187,16 @@ export const useMiniAppStore = create<MiniAppState>((set) => ({
         ),
       };
     }),
+  upsertApp: (app) =>
+    set((state) => {
+      const existingIndex = state.apps.findIndex((current) => current.id === app.id);
+      if (existingIndex < 0) {
+        return { apps: [app, ...state.apps] };
+      }
+      const apps = [...state.apps];
+      apps[existingIndex] = app;
+      return { apps };
+    }),
   setLoading: (loading) => set({ loading }),
 
   openApp: (id) =>
diff --git a/src/web-ui/src/app/scenes/miniapps/views/MiniAppMarketView.tsx b/src/web-ui/src/app/scenes/miniapps/views/MiniAppMarketView.tsx
index 8f3e8cc80d..96e381aa4b 100644
--- a/src/web-ui/src/app/scenes/miniapps/views/MiniAppMarketView.tsx
+++ b/src/web-ui/src/app/scenes/miniapps/views/MiniAppMarketView.tsx
@@ -47,6 +47,7 @@ import {
 import { createLogger } from '@/shared/utils/logger';
 import { useNotification } from '@/shared/notification-system';
 import { getMiniAppIconGradient, renderMiniAppIcon } from '../utils/miniAppIcons';
+import { useMiniAppStore } from '../miniAppStore';
 import { pickLocalizedString } from '../utils/pickLocalizedString';
 import './MiniAppMarketView.scss';
 
@@ -68,6 +69,7 @@ const MiniAppMarketView: React.FC = () => {
   const notification = useNotification();
   const { workspace } = useCurrentWorkspace();
   const { openScene, activateScene, openTabs } = useSceneManager();
+  const upsertApp = useMiniAppStore((state) => state.upsertApp);
   const [query, setQuery] = useState('');
   const [category, setCategory] = useState<(typeof CATEGORIES)[number]>('all');
   const [sort, setSort] = useState<MarketSort>('newest');
@@ -221,6 +223,7 @@ const MiniAppMarketView: React.FC = () => {
         confirmPermissions: true,
         confirmOverwrite: Boolean(installed?.localOverride),
       });
+      upsertApp(result.app);
       setInstalled(await miniAppMarketAPI.installedStatus(detail.listingId));
       notification.success(
         t(result.updated ? 'market.messages.updated' : 'market.messages.installed'),