diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index fc27dde..3bb3cf3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,6 +12,7 @@
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_LOCATION" />
 
     <uses-permission
         android:name="android.permission.QUERY_ALL_PACKAGES"
@@ -143,7 +144,7 @@
         <service
             android:name=".bg.VPNService"
             android:exported="false"
-            android:foregroundServiceType="specialUse"
+            android:foregroundServiceType="specialUse|location"
             android:permission="android.permission.BIND_VPN_SERVICE">
             <intent-filter>
                 <action android:name="android.net.VpnService" />
@@ -155,7 +156,7 @@
         <service
             android:name=".bg.ProxyService"
             android:exported="false"
-            android:foregroundServiceType="specialUse">
+            android:foregroundServiceType="specialUse|location">
             <property
                 android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
                 android:value="proxy" />
diff --git a/app/src/main/java/io/nekohasekai/sfa/bg/DefaultNetworkMonitor.kt b/app/src/main/java/io/nekohasekai/sfa/bg/DefaultNetworkMonitor.kt
index 8b918ff..0e04e3c 100644
--- a/app/src/main/java/io/nekohasekai/sfa/bg/DefaultNetworkMonitor.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/bg/DefaultNetworkMonitor.kt
@@ -4,6 +4,7 @@ import android.net.Network
 import android.os.Build
 import io.nekohasekai.libbox.InterfaceUpdateListener
 import io.nekohasekai.sfa.Application
+import java.net.NetworkInterface
 
 object DefaultNetworkMonitor {
 
@@ -35,8 +36,22 @@ object DefaultNetworkMonitor {
         newNetwork: Network?
     ) {
         val listener = listener ?: return
-        val link = Application.connectivity.getLinkProperties(newNetwork ?: return) ?: return
-        listener.updateDefaultInterface(link.interfaceName, -1)
+        if (newNetwork != null) {
+            val interfaceName =
+                (Application.connectivity.getLinkProperties(newNetwork) ?: return).interfaceName
+            for (times in 0 until 10) {
+                var interfaceIndex: Int
+                try {
+                    interfaceIndex = NetworkInterface.getByName(interfaceName).index
+                } catch (e: Exception) {
+                    Thread.sleep(100)
+                    continue
+                }
+                listener.updateDefaultInterface(interfaceName, interfaceIndex)
+            }
+        } else {
+            listener.updateDefaultInterface("", -1)
+        }
     }
 
 
diff --git a/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt b/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt
index a8d2073..9dc612b 100644
--- a/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt
@@ -101,7 +101,7 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
                         profile.host
                     )
                 )
-                .setPositiveButton(android.R.string.ok) { _, _ ->
+                .setPositiveButton(R.string.ok) { _, _ ->
                     startActivity(Intent(this, NewProfileActivity::class.java).apply {
                         putExtra("importName", profile.name)
                         putExtra("importURL", profile.url)
@@ -121,7 +121,7 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
                             content.name
                         )
                     )
-                    .setPositiveButton(android.R.string.ok) { _, _ ->
+                    .setPositiveButton(R.string.ok) { _, _ ->
                         lifecycleScope.launch {
                             withContext(Dispatchers.IO) {
                                 runCatching {
@@ -186,14 +186,14 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
     }
 
     @SuppressLint("NewApi")
-    fun startService(skipRequestFineLocation: Boolean = false) {
+    fun startService(skipRequestLocation: Boolean = false) {
         if (!ServiceNotification.checkPermission()) {
             notificationPermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS)
             return
         }
 
         // MIUI always return false for shouldShowRequestPermissionRationale
-        if (!skipRequestFineLocation && ContextCompat.checkSelfPermission(
+        if (!skipRequestLocation && ContextCompat.checkSelfPermission(
                 this, Manifest.permission.ACCESS_FINE_LOCATION
             ) != PackageManager.PERMISSION_GRANTED
         ) {
@@ -201,9 +201,20 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
                     this, Manifest.permission.ACCESS_FINE_LOCATION
                 )
             ) {
-                fineLocationPermissionLauncher.launch(
-                    Manifest.permission.ACCESS_FINE_LOCATION
-                )
+                MaterialAlertDialogBuilder(this)
+                    .setTitle(R.string.location_permission_title)
+                    .setMessage(R.string.location_permission_description)
+                    .setPositiveButton(R.string.ok) { _, _ ->
+                        locationPermissionLauncher.launch(
+                            arrayOf(
+                                Manifest.permission.ACCESS_COARSE_LOCATION,
+                                Manifest.permission.ACCESS_FINE_LOCATION,
+                            )
+                        )
+                    }
+                    .setCancelable(false)
+                    .show()
+                return
             }
         }
 
@@ -233,8 +244,8 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
         }
     }
 
-    private val fineLocationPermissionLauncher = registerForActivityResult(
-        ActivityResultContracts.RequestPermission()
+    private val locationPermissionLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestMultiplePermissions()
     ) {
         startService(true)
     }
@@ -278,7 +289,7 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
 
     override fun onServiceAlert(type: Alert, message: String?) {
         val builder = MaterialAlertDialogBuilder(this)
-        builder.setPositiveButton(android.R.string.ok, null)
+        builder.setPositiveButton(R.string.ok, null)
         when (type) {
             Alert.RequestVPNPermission -> {
                 builder.setMessage(getString(R.string.service_error_missing_permission))
diff --git a/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileActivity.kt b/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileActivity.kt
index 5fc16c2..44fcf98 100644
--- a/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileActivity.kt
@@ -48,7 +48,7 @@ class EditProfileActivity : AbstractActivity() {
             }.onFailure {
                 withContext(Dispatchers.Main) {
                     errorDialogBuilder(it)
-                        .setPositiveButton(android.R.string.ok) { _, _ -> finish() }
+                        .setPositiveButton(R.string.ok) { _, _ -> finish() }
                         .show()
                 }
             }
diff --git a/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileContentActivity.kt b/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileContentActivity.kt
index 917c180..0657972 100644
--- a/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileContentActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/ui/profile/EditProfileContentActivity.kt
@@ -50,7 +50,7 @@ class EditProfileContentActivity : AbstractActivity() {
             }.onFailure {
                 withContext(Dispatchers.Main) {
                     errorDialogBuilder(it)
-                        .setPositiveButton(android.R.string.ok) { _, _ -> finish() }
+                        .setPositiveButton(R.string.ok) { _, _ -> finish() }
                         .show()
                 }
             }
diff --git a/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt b/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt
index bd8b8c8..ccf9553 100644
--- a/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sfa/ui/profileoverride/PerAppProxyActivity.kt
@@ -185,7 +185,7 @@ class PerAppProxyActivity : AbstractActivity() {
                 MaterialAlertDialogBuilder(this)
                     .setTitle(R.string.menu_import_from_clipboard)
                     .setMessage(R.string.message_import_from_clipboard)
-                    .setPositiveButton(android.R.string.ok) { _, _ ->
+                    .setPositiveButton(R.string.ok) { _, _ ->
                         importFromClipboard()
                     }
                     .setNegativeButton(android.R.string.cancel, null)
@@ -284,7 +284,7 @@ class PerAppProxyActivity : AbstractActivity() {
                 MaterialAlertDialogBuilder(this@PerAppProxyActivity)
                     .setTitle(R.string.title_scan_result)
                     .setMessage(R.string.message_scan_app_no_apps_found)
-                    .setPositiveButton(android.R.string.ok, null)
+                    .setPositiveButton(R.string.ok, null)
                     .show()
                 return@launch
             }
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
new file mode 100644
index 0000000..1098170
--- /dev/null
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="ok">好</string>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a29d84e..f0c5846 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -145,5 +145,7 @@
     <string name="sponsor_message">If I\'ve defended your modern life, please consider sponsoring me.</string>
     <string name="other_methods">Other methods</string>
     <string name="action_start">Start</string>
+    <string name="location_permission_title">Location permission</string>
+    <string name="location_permission_description">sing-box uses the location permission to provide `wifi_ssid` and `wifi_bssid` routing rule entries, deny it if you don\'t need this feature.</string>
 
 </resources>
\ No newline at end of file