diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 89be0142..35088205 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -359,7 +359,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = Runner/Runner.entitlements;
-				CURRENT_PROJECT_VERSION = 274;
+				CURRENT_PROJECT_VERSION = 280;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = "Runner/Info-$(CONFIGURATION).plist";
@@ -367,7 +367,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.274;
+				MARKETING_VERSION = 1.0.280;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -490,7 +490,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = Runner/Runner.entitlements;
-				CURRENT_PROJECT_VERSION = 274;
+				CURRENT_PROJECT_VERSION = 280;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = "Runner/Info-$(CONFIGURATION).plist";
@@ -498,7 +498,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.274;
+				MARKETING_VERSION = 1.0.280;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -515,7 +515,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = Runner/Runner.entitlements;
-				CURRENT_PROJECT_VERSION = 274;
+				CURRENT_PROJECT_VERSION = 280;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = "Runner/Info-$(CONFIGURATION).plist";
@@ -523,7 +523,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.274;
+				MARKETING_VERSION = 1.0.280;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
diff --git a/lib/data/model/pkg/manager.dart b/lib/data/model/pkg/manager.dart
index 69325a59..09c9d0d7 100644
--- a/lib/data/model/pkg/manager.dart
+++ b/lib/data/model/pkg/manager.dart
@@ -1 +1,119 @@
-enum PkgManager { apt, yum, zypper, pacman, opkg }
+import 'package:toolbox/data/model/server/dist.dart';
+
+enum PkgManager {
+  apt,
+  yum,
+  zypper,
+  pacman,
+  opkg,
+  apk;
+
+  String? get listUpdate {
+    switch (this) {
+      case PkgManager.yum:
+        return 'yum check-update';
+      case PkgManager.apt:
+        return 'apt list --upgradeable';
+      case PkgManager.zypper:
+        return 'zypper lu';
+      case PkgManager.pacman:
+        return 'pacman -Qu';
+      case PkgManager.opkg:
+        return 'opkg list-upgradable';
+      case PkgManager.apk:
+        return 'apk list --upgradable';
+      default:
+        return null;
+    }
+  }
+
+  String? get update {
+    switch (this) {
+      case PkgManager.apt:
+        return 'apt update';
+      case PkgManager.pacman:
+        return 'pacman -Sy';
+      case PkgManager.opkg:
+        return 'opkg update';
+      case PkgManager.apk:
+        return 'apk update';
+      default:
+        return null;
+    }
+  }
+
+  String? upgrade(String args) {
+    switch (this) {
+      case PkgManager.yum:
+        return 'yum upgrade -y';
+      case PkgManager.apt:
+        return 'apt upgrade -y';
+      case PkgManager.zypper:
+        return 'zypper up -y';
+      case PkgManager.pacman:
+        return 'pacman -Syu --noconfirm';
+      case PkgManager.opkg:
+        return 'opkg upgrade $args';
+      case PkgManager.apk:
+        return 'apk upgrade';
+      default:
+        return null;
+    }
+  }
+
+  List<String> updateListRemoveUnused(List<String> list) {
+    switch (this) {
+      case PkgManager.yum:
+        list = list.sublist(2);
+        list.removeWhere((element) => element.isEmpty);
+        final endLine = list.lastIndexWhere(
+            (element) => element.contains('Obsoleting Packages'));
+        list = list.sublist(0, endLine);
+        break;
+      case PkgManager.apt:
+        // avoid other outputs
+        // such as: [Could not chdir to home directory /home/test: No such file or directory, , WARNING: apt does not have a stable CLI interface. Use with caution in scripts., , Listing...]
+        final idx =
+            list.indexWhere((element) => element.contains('[upgradable from:'));
+        if (idx == -1) {
+          return [];
+        }
+        list = list.sublist(idx);
+        list.removeWhere((element) => element.isEmpty);
+        break;
+      case PkgManager.zypper:
+        list = list.sublist(4);
+        break;
+      case PkgManager.pacman:
+      case PkgManager.opkg:
+      case PkgManager.apk:
+        break;
+    }
+    list.removeWhere((element) => element.isEmpty);
+    return list;
+  }
+}
+
+PkgManager? fromDist(Dist? dist) {
+  switch (dist) {
+    case Dist.centos:
+    case Dist.rocky:
+    case Dist.fedora:
+      return PkgManager.yum;
+    case Dist.debian:
+    case Dist.ubuntu:
+    case Dist.kali:
+    case Dist.armbian:
+      return PkgManager.apt;
+    case Dist.opensuse:
+      return PkgManager.zypper;
+    case Dist.wrt:
+      return PkgManager.opkg;
+    case Dist.arch:
+      return PkgManager.pacman;
+    case Dist.alpine:
+      return PkgManager.apk;
+    default:
+      return null;
+  }
+}
diff --git a/lib/data/model/pkg/upgrade_info.dart b/lib/data/model/pkg/upgrade_info.dart
index c4c9202d..409778e8 100644
--- a/lib/data/model/pkg/upgrade_info.dart
+++ b/lib/data/model/pkg/upgrade_info.dart
@@ -25,6 +25,9 @@ class UpgradePkgInfo {
       case PkgManager.opkg:
         _parseOpkg(raw);
         break;
+      case PkgManager.apk:
+        _parseApk(raw);
+        break;
       default:
         throw Exception('Unsupported pkg type: $_mgr');
     }
@@ -72,4 +75,15 @@ class UpgradePkgInfo {
     newVersion = parts[2];
     arch = '';
   }
+
+  // libcrypto3-3.0.8-r4 x86_64 {openssl} (Apache-2.0) [upgradable from: libcrypto3-3.0.8-r3]
+  void _parseApk(String raw) {
+    final parts = raw.split(' ');
+    final len = parts.length;
+    newVersion = parts[len - 1];
+    nowVersion = parts[0];
+    newVersion = newVersion.substring(0, newVersion.length - 1);
+    package = nowVersion;
+    arch = parts[1];
+  }
 }
diff --git a/lib/data/provider/pkg.dart b/lib/data/provider/pkg.dart
index 269628a2..6aa807e4 100644
--- a/lib/data/provider/pkg.dart
+++ b/lib/data/provider/pkg.dart
@@ -29,45 +29,23 @@ class PkgProvider extends BusyProvider {
   String lastLog = '';
   bool isRequestingPwd = false;
 
-  PkgProvider();
-
   Future<void> init(
-      SSHClient client,
-      Dist? dist,
-      Function() onUpgrade,
-      Function() onUpdate,
-      PwdRequestFunc onPasswordRequest,
-      String user) async {
+    SSHClient client,
+    Dist? dist,
+    Function() onUpgrade,
+    Function() onUpdate,
+    PwdRequestFunc onPasswordRequest,
+    String user,
+  ) async {
     this.client = client;
     this.dist = dist;
     this.onUpgrade = onUpgrade;
     this.onPasswordRequest = onPasswordRequest;
     whoami = user;
 
-    switch (dist) {
-      case Dist.centos:
-      case Dist.rocky:
-      case Dist.fedora:
-        type = PkgManager.yum;
-        break;
-      case Dist.debian:
-      case Dist.ubuntu:
-      case Dist.kali:
-      case Dist.armbian:
-        type = PkgManager.apt;
-        break;
-      case Dist.opensuse:
-        type = PkgManager.zypper;
-        break;
-      case Dist.wrt:
-        type = PkgManager.opkg;
-        break;
-      case Dist.arch:
-        type = PkgManager.pacman;
-        break;
-      case null:
-        error = 'Unsupported dist: $dist';
-        break;
+    type = fromDist(dist);
+    if (type == null) {
+      error = 'Unsupported dist: $dist';
     }
   }
 
@@ -80,9 +58,9 @@ class PkgProvider extends BusyProvider {
   }
 
   Future<void> refresh() async {
-    final result = await _update();
+    final result = await _update();_parse(result);
     try {
-      _parse(result);
+      
     } catch (e) {
       error = '[Server Raw]:\n$result\n[App Error]:\n$e';
     } finally {
@@ -92,87 +70,37 @@ class PkgProvider extends BusyProvider {
 
   void _parse(String? raw) {
     if (raw == null) return;
-    var list = raw.split('\n');
-    switch (type) {
-      case PkgManager.yum:
-        list = list.sublist(2);
-        list.removeWhere((element) => element.isEmpty);
-        final endLine = list.lastIndexWhere(
-            (element) => element.contains('Obsoleting Packages'));
-        list = list.sublist(0, endLine);
-        break;
-      case PkgManager.apt:
-        // avoid other outputs
-        // such as: [Could not chdir to home directory /home/test: No such file or directory, , WARNING: apt does not have a stable CLI interface. Use with caution in scripts., , Listing...]
-        final idx =
-            list.indexWhere((element) => element.contains('[upgradable from:'));
-        if (idx == -1) {
-          upgradeable = [];
-          return;
-        }
-        list = list.sublist(idx);
-        list.removeWhere((element) => element.isEmpty);
-        break;
-      case PkgManager.zypper:
-        list = list.sublist(4);
-        break;
-      case PkgManager.pacman:
-      case PkgManager.opkg:
-        break;
-      default:
-        return;
-    }
-    upgradeable = list.map((e) => UpgradePkgInfo(e, type)).toList();
+    final list = type
+        ?.updateListRemoveUnused(raw.split('\n'));
+    upgradeable = list
+        ?.map((e) => UpgradePkgInfo(e, type))
+        .toList();
   }
 
   Future<String?> _update() async {
-    switch (type) {
-      case PkgManager.yum:
-        return await client?.run(_wrap('yum check-update')).string;
-      case PkgManager.apt:
-        await client!.exec(
-          _wrap('apt update'),
-          onStderr: _onPwd,
-          onStdout: (data, sink) {
-            updateLog = (updateLog ?? '') + data;
-            notifyListeners();
-            if (onUpdate != null) onUpdate!();
-          },
-        );
-        return await client
-            ?.run('apt list --upgradeable'.withLangExport)
-            .string;
-      case PkgManager.zypper:
-        return await client?.run(_wrap('zypper lu')).string;
-      case PkgManager.pacman:
-        await client?.run('pacman -Sy');
-        return await client?.run(_wrap('pacman -Qu')).string;
-      case PkgManager.opkg:
-        await client?.run('opkg update');
-        return await client?.run(_wrap('opkg list-upgradable')).string;
-      default:
-        error = 'Unsupported dist: $dist';
-        return null;
+    final updateCmd = type?.update;
+    if (updateCmd != null) {
+      await client!.exec(
+        _wrap(updateCmd),
+        onStderr: _onPwd,
+        onStdout: (data, sink) {
+          updateLog = (updateLog ?? '') + data;
+          if (onUpdate != null) onUpdate!();
+          notifyListeners();
+        },
+      );
     }
+    final listCmd = type?.listUpdate;
+    if (listCmd == null) {
+      error = 'Unsupported dist: $dist';
+      return null;
+    }
+    return await client?.run(_wrap(listCmd)).string;
   }
 
   Future<void> upgrade() async {
-    final upgradeCmd = () {
-      switch (type) {
-        case PkgManager.yum:
-          return 'yum upgrade -y';
-        case PkgManager.apt:
-          return 'apt upgrade -y';
-        case PkgManager.zypper:
-          return 'zypper up -y';
-        case PkgManager.pacman:
-          return 'pacman -Syu --noconfirm';
-        case PkgManager.opkg:
-          return 'opkg upgrade ${upgradeable?.map((e) => e.package).join(" ")}';
-        default:
-          return null;
-      }
-    }();
+    final upgradeCmd =
+        type?.upgrade(upgradeable?.map((e) => e.package).join(" ") ?? '');
 
     if (upgradeCmd == null) {
       error = 'Unsupported dist: $dist';
diff --git a/lib/data/res/build_data.dart b/lib/data/res/build_data.dart
index 1a91fbc6..d0c035f1 100644
--- a/lib/data/res/build_data.dart
+++ b/lib/data/res/build_data.dart
@@ -2,8 +2,8 @@
 
 class BuildData {
   static const String name = "ServerBox";
-  static const int build = 274;
+  static const int build = 280;
   static const String engine = "3.7.11";
-  static const String buildAt = "2023-04-23 14:25:48.263478";
+  static const String buildAt = "2023-04-27 18:10:45.464081";
   static const int modifications = 4;
 }
diff --git a/lib/view/page/pkg.dart b/lib/view/page/pkg.dart
index 9da8c9bb..2364132f 100644
--- a/lib/view/page/pkg.dart
+++ b/lib/view/page/pkg.dart
@@ -204,6 +204,7 @@ class _PkgManagePageState extends State<PkgManagePage>
         overflow: TextOverflow.ellipsis,
         style: grey,
       ),
+      initiallyExpanded: true,
       children: apt.upgradeLog == null
           ? [
               TextButton(
@@ -225,11 +226,17 @@ class _PkgManagePageState extends State<PkgManagePage>
   }
 
   Widget _buildUpdateItem(UpgradePkgInfo info, PkgProvider apt) {
+    final t = () {
+      if (info.nowVersion.isNotEmpty && info.newVersion.isNotEmpty) {
+        return '${info.nowVersion} -> ${info.newVersion}';
+      }
+      return info.newVersion;
+    }();
     return ListTile(
       title: Text(info.package),
       subtitle: Text(
-        '${info.nowVersion} -> ${info.newVersion}',
-        style: grey,
+        t,
+        style: grey
       ),
     );
   }