diff --git a/manager/src/main/java/org/lsposed/npatch/ui/activity/MainActivity.kt b/manager/src/main/java/org/lsposed/npatch/ui/activity/MainActivity.kt
index 23977ae..28d25d0 100644
--- a/manager/src/main/java/org/lsposed/npatch/ui/activity/MainActivity.kt
+++ b/manager/src/main/java/org/lsposed/npatch/ui/activity/MainActivity.kt
@@ -1,6 +1,13 @@
 package org.lsposed.npatch.ui.activity
 
+import android.Manifest
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Build
 import android.os.Bundle
+import android.os.Environment
+import android.provider.Settings
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.compose.animation.ExperimentalAnimationApi
@@ -11,6 +18,7 @@ import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
+import androidx.core.app.ActivityCompat
 import androidx.navigation.NavGraph.Companion.findStartDestination
 import androidx.navigation.NavHostController
 import com.google.accompanist.navigation.animation.rememberAnimatedNavController
@@ -28,6 +36,10 @@ class MainActivity : ComponentActivity() {
     @OptIn(ExperimentalAnimationApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
+        // 檢查並請求權限
+        checkAndRequestPermissions()
+
         setContent {
             val navController = rememberAnimatedNavController()
             LSPTheme {
@@ -47,6 +59,35 @@ class MainActivity : ComponentActivity() {
             }
         }
     }
+
+    private fun checkAndRequestPermissions() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            // Android 11 (SDK 30) 以上請求 "所有檔案存取權"
+            if (!Environment.isExternalStorageManager()) {
+                try {
+                    val intent = Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION)
+                    intent.addCategory("android.intent.category.DEFAULT")
+                    intent.data = Uri.parse("package:$packageName")
+                    startActivity(intent)
+                } catch (e: Exception) {
+                    val intent = Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION)
+                    startActivity(intent)
+                }
+            }
+        } else {
+            // Android 10 以下請求傳統讀寫權限
+            if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+                ActivityCompat.requestPermissions(
+                    this,
+                    arrayOf(
+                        Manifest.permission.READ_EXTERNAL_STORAGE,
+                        Manifest.permission.WRITE_EXTERNAL_STORAGE
+                    ),
+                    1001
+                )
+            }
+        }
+    }
 }
 
 @Composable
@@ -82,4 +123,4 @@ private fun BottomBar(navController: NavHostController) {
             )
         }
     }
-}
+}
\ No newline at end of file