diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 90597b3ea..66c9f09ec 100755
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -13,6 +13,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt b/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt
index ab795d277..b7373045e 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt
@@ -18,6 +18,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.core.text.parseAsHtml
 import com.hippo.ehviewer.AppConfig
@@ -28,8 +29,10 @@ import com.hippo.ehviewer.client.execute
 import com.hippo.ehviewer.ui.LICENSE_SCREEN
 import com.hippo.ehviewer.ui.LocalNavController
 import com.hippo.ehviewer.ui.tools.toAnnotatedString
+import com.hippo.ehviewer.util.installPackage
 import com.hippo.ehviewer.util.iter
 import com.hippo.ehviewer.yorozuya.FileUtils
+import eu.kanade.tachiyomi.util.lang.withUIContext
 import io.ktor.util.encodeBase64
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -52,6 +55,7 @@ private fun author() = stringResource(R.string.settings_about_author_summary).re
 
 @Composable
 fun AboutScreen() {
+    val context = LocalContext.current
     val navController = LocalNavController.current
     val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior()
     val snackbarHostState = remember { SnackbarHostState() }
@@ -117,8 +121,8 @@ fun AboutScreen() {
                         }
                     }?.getString("archive_download_url")
                     if (archiveUrl != null) {
+                        val file = FileUtils.createTempFile(AppConfig.tempDir, "apk")!!
                         ghRequest(archiveUrl).execute {
-                            val file = FileUtils.createTempFile(AppConfig.tempDir, "apk")!!
                             ZipInputStream(body.byteStream()).use { zip ->
                                 zip.nextEntry
                                 file.outputStream().use {
@@ -126,6 +130,7 @@ fun AboutScreen() {
                                 }
                             }
                         }
+                        withUIContext { context.installPackage(file) }
                     } else {
                         launchSnackBar("CI is still running, please wait")
                     }
diff --git a/app/src/main/java/com/hippo/ehviewer/util/LauncherUtils.kt b/app/src/main/java/com/hippo/ehviewer/util/LauncherUtils.kt
index 36af7736e..3d935493b 100644
--- a/app/src/main/java/com/hippo/ehviewer/util/LauncherUtils.kt
+++ b/app/src/main/java/com/hippo/ehviewer/util/LauncherUtils.kt
@@ -1,9 +1,12 @@
 package com.hippo.ehviewer.util
 
+import android.Manifest
 import android.content.Context
 import android.content.ContextWrapper
+import android.content.Intent
 import android.content.pm.PackageManager
 import android.net.Uri
+import android.provider.Settings
 import androidx.activity.ComponentActivity
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.PickVisualMediaRequest
@@ -11,12 +14,14 @@ import androidx.activity.result.contract.ActivityResultContract
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.activity.result.contract.ActivityResultContracts.PickVisualMedia.VisualMediaType
 import androidx.core.content.ContextCompat
+import androidx.core.content.FileProvider
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.LifecycleOwner
 import arrow.atomic.AtomicInt
 import eu.kanade.tachiyomi.util.lang.withUIContext
 import rikka.core.util.ContextUtils.requireActivity
+import java.io.File
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
@@ -67,3 +72,34 @@ suspend fun Context.requestPermission(key: String): Boolean {
 }
 
 suspend fun Context.pickVisualMedia(type: VisualMediaType): Uri? = awaitActivityResult(ActivityResultContracts.PickVisualMedia(), PickVisualMediaRequest.Builder().setMediaType(type).build())
+
+suspend fun Context.requestInstallPermission(): Boolean {
+    if (packageManager.canRequestPackageInstalls()) return true
+    val granted = requestPermission(Manifest.permission.REQUEST_INSTALL_PACKAGES)
+    if (!granted) {
+        awaitActivityResult(
+            ActivityResultContracts.StartActivityForResult(),
+            Intent(
+                Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES,
+                Uri.parse("package:$packageName"),
+            ),
+        )
+        requestPermission(Manifest.permission.REQUEST_INSTALL_PACKAGES)
+    }
+    return packageManager.canRequestPackageInstalls()
+}
+
+suspend fun Context.installPackage(file: File) {
+    val canInstall = requestInstallPermission()
+    if (canInstall) {
+        val contentUri = FileProvider.getUriForFile(this, "$packageName.fileprovider", file)
+        val intent = Intent(Intent.ACTION_VIEW).apply {
+            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            setDataAndType(contentUri, "application/vnd.android.package-archive")
+        }
+        if (packageManager.queryIntentActivities(intent, 0).size > 0) {
+            startActivity(intent)
+        }
+    }
+}
diff --git a/app/src/main/res/xml/filepaths.xml b/app/src/main/res/xml/filepaths.xml
index 18e5954aa..64e322854 100644
--- a/app/src/main/res/xml/filepaths.xml
+++ b/app/src/main/res/xml/filepaths.xml
@@ -20,6 +20,10 @@
         name="temp"
         path="." />
 
+    <cache-path
+        name="temp"
+        path="." />
+
     <external-cache-path
         name="copy"
         path="." />