diff --git a/Library/Discovery/NWSocket.swift b/ApplicationLibrary/Service/NWSocket.swift
similarity index 100%
rename from Library/Discovery/NWSocket.swift
rename to ApplicationLibrary/Service/NWSocket.swift
diff --git a/Library/Discovery/ProfileServer.swift b/ApplicationLibrary/Service/ProfileServer.swift
similarity index 79%
rename from Library/Discovery/ProfileServer.swift
rename to ApplicationLibrary/Service/ProfileServer.swift
index 596696e..2cd10d2 100644
--- a/Library/Discovery/ProfileServer.swift
+++ b/ApplicationLibrary/Service/ProfileServer.swift
@@ -1,6 +1,10 @@
 import Foundation
 import Libbox
+import Library
 import Network
+#if canImport(UIKit)
+    import UIKit
+#endif
 
 public class ProfileServer {
     private var listener: NWListener
@@ -32,12 +36,21 @@ public class ProfileServer {
 
     class ProfileConnection {
         private let connection: NWSocket
+        #if os(iOS)
+            private var backgroundTaskID: UIBackgroundTaskIdentifier = .invalid
+        #endif
 
         init(_ connection: NWConnection) {
             self.connection = NWSocket(connection)
         }
 
         func process() async {
+            #if os(iOS)
+                beginBackgroundTask()
+                defer {
+                    endBackgroundTask()
+                }
+            #endif
             do {
                 try await writeProfilePreviewList()
             } catch {
@@ -56,6 +69,26 @@ public class ProfileServer {
             }
         }
 
+        #if os(iOS)
+            private func beginBackgroundTask() {
+                backgroundTaskID = UIApplication.shared.beginBackgroundTask { [weak self] in
+                    NSLog("profile server: background task expiring, cleaning up connection")
+                    self?.connection.cancel()
+                    self?.endBackgroundTask()
+                }
+                if backgroundTaskID != .invalid {
+                    NSLog("profile server: background task started")
+                }
+            }
+
+            private func endBackgroundTask() {
+                guard backgroundTaskID != .invalid else { return }
+                NSLog("profile server: background task ended")
+                UIApplication.shared.endBackgroundTask(backgroundTaskID)
+                backgroundTaskID = .invalid
+            }
+        #endif
+
         private func processMessage(_ data: Data) throws {
             if data.count == 0 {
                 return
diff --git a/SFI/Info.plist b/SFI/Info.plist
index f720122..5a9f1a2 100644
--- a/SFI/Info.plist
+++ b/SFI/Info.plist
@@ -23,6 +23,11 @@
 			</array>
 		</dict>
 	</array>
+	<key>CFBundleLocalizations</key>
+	<array>
+		<string>en</string>
+		<string>zh_CN</string>
+	</array>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>
@@ -38,8 +43,6 @@
 			</array>
 		</dict>
 	</array>
-	<key>ITSAppUsesNonExemptEncryption</key>
-	<false/>
 	<key>NSApplicationServices</key>
 	<dict>
 		<key>Advertises</key>
@@ -65,6 +68,7 @@
 	<key>UIBackgroundModes</key>
 	<array>
 		<string>fetch</string>
+		<string>processing</string>
 	</array>
 	<key>UTExportedTypeDeclarations</key>
 	<array>
@@ -116,12 +120,5 @@
 			</dict>
 		</dict>
 	</array>
-	<key>CFBundleLocalizations</key>
-	<array>
-		<string>en</string>
-		<string>zh_CN</string>
-	</array>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
 </dict>
 </plist>
diff --git a/sing-box.xcodeproj/project.pbxproj b/sing-box.xcodeproj/project.pbxproj
index 5b9090e..839af28 100644
--- a/sing-box.xcodeproj/project.pbxproj
+++ b/sing-box.xcodeproj/project.pbxproj
@@ -1960,6 +1960,7 @@
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = SFI/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = "sing-box";
+				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSSupportsOpeningDocumentsInPlace = YES;
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
@@ -2001,6 +2002,7 @@
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = SFI/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = "sing-box";
+				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSSupportsOpeningDocumentsInPlace = YES;
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;