diff --git a/src/main/installer.ts b/src/main/installer.ts
index 59526be..feedc6d 100644
--- a/src/main/installer.ts
+++ b/src/main/installer.ts
@@ -3,12 +3,11 @@ import { exec } from 'child_process'
 import { join } from 'path'
 import { ipcMain, WebContents } from 'electron'
 import { glob } from 'glob'
-import { mkdirSync, statSync, unlinkSync } from 'fs'
+import { mkdirSync, statSync, unlinkSync, readdirSync } from 'fs'
 
 import { installTasks, InstallTask, updateInstallTask, InstallProgressPeriod } from './tasks'
 import { downloadAssets } from './downloader'
 import { setAppRecord } from './library'
-import { readdirSync } from 'original-fs'
 
 export function initInstaller(): void {
   ipcMain.handle('install-product-release', (evt, task: string) => submitInstallTask(JSON.parse(task), evt.sender))
diff --git a/src/main/library.ts b/src/main/library.ts
index d1db2cf..e78a971 100644
--- a/src/main/library.ts
+++ b/src/main/library.ts
@@ -44,6 +44,7 @@ export function initLibrary(): void {
     JSON.stringify(getAppLibrary().filter((ele) => ele.id === id)[0]),
   )
 
+  ipcMain.handle('uninstall-app', (_, id: string) => uninstallApp(id))
   ipcMain.handle('launch-app', (_, id: string) => launchApp(id))
 }
 
@@ -68,6 +69,24 @@ export function setAppRecord(record: LocalAppRecord) {
   saveLocalLibrary()
 }
 
+export function removeAppRecord(id: string) {
+  let current = getAppLibrary()
+  current = current.filter((rec) => rec.id !== id)
+
+  library.apps = current
+  saveLocalLibrary()
+}
+
+export function uninstallApp(id: string) {
+  const app = getAppLibrary().filter((ele) => ele.id === id)[0]
+  if (!app) return
+
+  const basePath = app.basePath
+  fs.rmdirSync(basePath, { recursive: true })
+
+  removeAppRecord(id)
+}
+
 export function launchApp(id: string): void {
   const app = getAppLibrary().filter((ele) => ele.id === id)[0]
   if (!app) return
@@ -78,7 +97,7 @@ export function launchApp(id: string): void {
   const segments = runner.script.split(' ')
 
   try {
-    spawn(segments[0], segments.slice(1), {
+    spawn(segments[0], segments.length > 1 ? segments.slice(1) : [], {
       detached: true,
       cwd: runner.workdir ? join(app.basePath, runner.workdir) : app.basePath,
     })
diff --git a/src/renderer/src/pages/Landing.tsx b/src/renderer/src/pages/Landing.tsx
index 02d11a6..914f523 100644
--- a/src/renderer/src/pages/Landing.tsx
+++ b/src/renderer/src/pages/Landing.tsx
@@ -34,7 +34,7 @@ export default function Landing(): JSX.Element {
   return (
     <Container sx={{ py: 4, display: 'flex', flexDirection: 'column', gap: 2 }}>
       <Box>
-        <Typography variant="h4" component="div" sx={{ mb: 2 }}>
+        <Typography variant="h5" component="div">
           Matrix Marketplace
         </Typography>
       </Box>
diff --git a/src/renderer/src/pages/library/Details.tsx b/src/renderer/src/pages/library/Details.tsx
index 1eebaf8..293ff5f 100644
--- a/src/renderer/src/pages/library/Details.tsx
+++ b/src/renderer/src/pages/library/Details.tsx
@@ -6,6 +6,7 @@ import { getAttachmentUrl } from 'solar-js-sdk'
 import { parseContent } from '@renderer/services/parser'
 
 import PlayIcon from '@mui/icons-material/PlayArrow'
+import UninstallIcon from '@mui/icons-material/Delete'
 import ArrowBackwardIcon from '@mui/icons-material/ArrowBack'
 
 export default function LibraryDetails(): JSX.Element {
@@ -16,6 +17,8 @@ export default function LibraryDetails(): JSX.Element {
   const [appProductContent, setAppProductContent] = useState<string>()
   const [appReleaseContent, setAppReleaseContent] = useState<string>()
 
+  const [busy, setBusy] = useState(false)
+
   const product = useMemo(() => app?.product, [app])
 
   function fetchApp() {
@@ -40,8 +43,21 @@ export default function LibraryDetails(): JSX.Element {
     }
   }, [app])
 
-  function launchApp() {
-    window.electron.ipcRenderer.invoke('launch-app', app?.id)
+  async function uninstallApp() {
+    const yes = confirm(`Are you sure to uninstall this app ${app?.product.name} version ${app?.release.version}?`)
+    if (!yes) return
+
+    setBusy(true)
+    await window.electron.ipcRenderer.invoke('uninstall-app', app?.id)
+    setBusy(false)
+
+    navigate('/library')
+  }
+
+  async function launchApp() {
+    setBusy(true)
+    await window.electron.ipcRenderer.invoke('launch-app', app?.id)
+    setBusy(false)
   }
 
   return (
@@ -116,7 +132,10 @@ export default function LibraryDetails(): JSX.Element {
           <Grid size={4}>
             <Stack spacing={2} alignItems="end">
               <Box>
-                <IconButton color="success" onClick={launchApp}>
+                <IconButton disabled={busy} color="error" onClick={uninstallApp}>
+                  <UninstallIcon />
+                </IconButton>
+                <IconButton disabled={busy} color="success" onClick={launchApp}>
                   <PlayIcon />
                 </IconButton>
               </Box>