diff --git a/assets/linux/freebsd.png b/assets/linux/freebsd.png
new file mode 100644
index 00000000..6d4a6298
Binary files /dev/null and b/assets/linux/freebsd.png differ
diff --git a/assets/linux/rocky.png b/assets/linux/rocky.png
new file mode 100644
index 00000000..4431d97e
Binary files /dev/null and b/assets/linux/rocky.png differ
diff --git a/lib/core/extension/stringx.dart b/lib/core/extension/stringx.dart
index fdcd84d0..3237187d 100644
--- a/lib/core/extension/stringx.dart
+++ b/lib/core/extension/stringx.dart
@@ -2,26 +2,10 @@ import 'dart:convert';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:toolbox/data/model/distribution.dart';
 
 extension StringX on String {
   int get i => int.parse(this);
 
-  Distribution get dist {
-    final lower = toLowerCase();
-    for (var dist in debianDistList) {
-      if (lower.contains(dist)) {
-        return Distribution.debian;
-      }
-    }
-    for (var dist in rehlDistList) {
-      if (lower.contains(dist)) {
-        return Distribution.rehl;
-      }
-    }
-    return Distribution.unknown;
-  }
-
   Uri get uri {
     return Uri.parse(this);
   }
diff --git a/lib/data/model/apt/upgrade_pkg_info.dart b/lib/data/model/apt/upgrade_pkg_info.dart
index 1a68087b..c42eda0f 100644
--- a/lib/data/model/apt/upgrade_pkg_info.dart
+++ b/lib/data/model/apt/upgrade_pkg_info.dart
@@ -1,8 +1,8 @@
-import 'package:toolbox/data/model/distribution.dart';
+import 'package:toolbox/data/model/server/dist.dart';
 
 class UpgradePkgInfo {
   final String _raw;
-  final Distribution _dist;
+  final Dist _dist;
 
   late String package;
   late String nowVersion;
@@ -11,12 +11,15 @@ class UpgradePkgInfo {
 
   UpgradePkgInfo(this._raw, this._dist) {
     switch (_dist) {
-      case Distribution.debian:
-      case Distribution.unknown:
+      case Dist.debian:
+      case Dist.ubuntu:
         _parseApt();
         break;
-      case Distribution.rehl:
+      case Dist.centos:
         _parseYum();
+        break;
+      default:
+        throw Exception('Unsupported dist: $_dist');
     }
   }
 
diff --git a/lib/data/model/distribution.dart b/lib/data/model/distribution.dart
deleted file mode 100644
index 61e18443..00000000
--- a/lib/data/model/distribution.dart
+++ /dev/null
@@ -1,23 +0,0 @@
-enum Distribution {
-  unknown,
-  debian,
-  rehl,
-}
-
-const debianDistList = [
-  'debian',
-  'ubuntu',
-  'linuxmint',
-  'elementary',
-  'raspbian',
-  'armbian'
-];
-
-const rehlDistList = [
-  'redhat',
-  'fedora',
-  'centos',
-  'scientificlinux',
-  'rhel',
-  'oraclelinux'
-];
diff --git a/lib/data/model/server/dist.dart b/lib/data/model/server/dist.dart
new file mode 100644
index 00000000..c9f80ad3
--- /dev/null
+++ b/lib/data/model/server/dist.dart
@@ -0,0 +1,30 @@
+enum Dist {
+  debian,
+  ubuntu,
+  centos,
+  fedora,
+  opensuse,
+  kali,
+  wrt,
+  armbian,
+  arch,
+  freebsd,
+  /// Rocky Linux
+  rocky;
+
+  String? get iconPath {
+    return 'assets/linux/$name.png';
+  }
+}
+
+extension StringX on String {
+  Dist? get dist {
+    final lower = toLowerCase();
+    for (final dist in Dist.values) {
+      if (lower.contains(dist.name)) {
+        return dist;
+      }
+    }
+    return null;
+  }
+}
diff --git a/lib/data/provider/apt.dart b/lib/data/provider/apt.dart
index 7c58b968..58015c67 100644
--- a/lib/data/provider/apt.dart
+++ b/lib/data/provider/apt.dart
@@ -8,13 +8,16 @@ import 'package:toolbox/core/extension/stringx.dart';
 import 'package:toolbox/core/extension/uint8list.dart';
 import 'package:toolbox/core/provider_base.dart';
 import 'package:toolbox/data/model/apt/upgrade_pkg_info.dart';
-import 'package:toolbox/data/model/distribution.dart';
+import 'package:toolbox/data/model/server/dist.dart';
+
+enum _Type { apt, yum, dnf, zypper, pkg, pacman, opkg }
 
 class AptProvider extends BusyProvider {
   final logger = Logger('AptProvider');
 
   SSHClient? client;
-  Distribution? dist;
+  Dist? dist;
+  _Type? type;
   Function()? onUpgrade;
   Function()? onUpdate;
   PwdRequestFunc? onPasswordRequest;
@@ -31,7 +34,7 @@ class AptProvider extends BusyProvider {
 
   Future<void> init(
       SSHClient client,
-      Distribution dist,
+      Dist? dist,
       Function() onUpgrade,
       Function() onUpdate,
       PwdRequestFunc onPasswordRequest,
@@ -41,6 +44,37 @@ class AptProvider extends BusyProvider {
     this.onUpgrade = onUpgrade;
     this.onPasswordRequest = onPasswordRequest;
     whoami = user;
+
+    switch (dist) {
+      case Dist.centos:
+      case Dist.rocky:
+        type = _Type.yum;
+        break;
+      case Dist.debian:
+      case Dist.ubuntu:
+      case Dist.kali:
+      case Dist.armbian:
+        type = _Type.apt;
+        break;
+      case Dist.fedora:
+        type = _Type.dnf;
+        break;
+      case Dist.opensuse:
+        type = _Type.zypper;
+        break;
+      case Dist.freebsd:
+        type = _Type.pkg;
+        break;
+      case Dist.wrt:
+        type = _Type.opkg;
+        break;
+      case Dist.arch:
+        type = _Type.pacman;
+        break;
+      case null:
+        error = 'Unsupported dist: $dist';
+        break;
+    }
   }
 
   bool get isSU => whoami == 'root';
@@ -51,10 +85,10 @@ class AptProvider extends BusyProvider {
     isRequestingPwd = false;
   }
 
-  Future<void> refreshInstalled() async {
+  Future<void> refresh() async {
     final result = await _update();
     try {
-      getUpgradeableList(result);
+      _parse(result);
     } catch (e) {
       error = '[Server Raw]:\n$result\n[App Error]:\n$e';
     } finally {
@@ -62,18 +96,18 @@ class AptProvider extends BusyProvider {
     }
   }
 
-  void getUpgradeableList(String? raw) {
+  void _parse(String? raw) {
     if (raw == null) return;
     var list = raw.split('\n');
-    switch (dist) {
-      case Distribution.rehl:
+    switch (type) {
+      case _Type.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;
-      default:
+      case _Type.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 =
@@ -84,15 +118,18 @@ class AptProvider extends BusyProvider {
         }
         list = list.sublist(idx);
         list.removeWhere((element) => element.isEmpty);
+        break;
+      default:
+        return;
     }
     upgradeable = list.map((e) => UpgradePkgInfo(e, dist!)).toList();
   }
 
   Future<String?> _update() async {
-    switch (dist) {
-      case Distribution.rehl:
+    switch (type) {
+      case _Type.yum:
         return await client?.run(_wrap('yum check-update')).string;
-      default:
+      case _Type.apt:
         await client!.exec(
           _wrap('apt update'),
           onStderr: _onPwd,
@@ -105,19 +142,29 @@ class AptProvider extends BusyProvider {
         return await client
             ?.run('apt list --upgradeable'.withLangExport)
             .string;
+      default:
+        error = 'Unsupported dist: $dist';
+        return null;
     }
   }
 
   Future<void> upgrade() async {
     final upgradeCmd = () {
-      switch (dist) {
-        case Distribution.rehl:
+      switch (type) {
+        case _Type.yum:
           return 'yum upgrade -y';
-        default:
+        case _Type.apt:
           return 'apt upgrade -y';
+        default:
+          return null;
       }
     }();
 
+    if (upgradeCmd == null) {
+      error = 'Unsupported dist: $dist';
+      return;
+    }
+
     await client!.exec(
       _wrap(upgradeCmd),
       onStderr: _onPwd,
@@ -131,7 +178,7 @@ class AptProvider extends BusyProvider {
     );
 
     upgradeLog = null;
-    refreshInstalled();
+    refresh();
   }
 
   Future<void> _onPwd(String event, StreamSink<Uint8List> stdin) async {
diff --git a/lib/data/res/icon/common.dart b/lib/data/res/icon.dart
similarity index 100%
rename from lib/data/res/icon/common.dart
rename to lib/data/res/icon.dart
diff --git a/lib/data/res/icon/linux_icons.dart b/lib/data/res/icon/linux_icons.dart
deleted file mode 100644
index 17b8ae5c..00000000
--- a/lib/data/res/icon/linux_icons.dart
+++ /dev/null
@@ -1,26 +0,0 @@
-final linuxIcons = LinuxIcons([
-  'ubuntu',
-  'arch',
-  'centos',
-  'debian',
-  'fedora',
-  'opensuse',
-  'kali',
-  'wrt',
-  'armbian'
-]);
-
-class LinuxIcons {
-  List<String> db;
-
-  LinuxIcons(this.db);
-
-  String? search(String sysVer) {
-    for (var item in db) {
-      if (sysVer.toLowerCase().contains(item)) {
-        return 'assets/linux/$item.png';
-      }
-    }
-    return null;
-  }
-}
diff --git a/lib/view/page/apt.dart b/lib/view/page/apt.dart
index e17bd317..0858a015 100644
--- a/lib/view/page/apt.dart
+++ b/lib/view/page/apt.dart
@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-import 'package:toolbox/core/extension/stringx.dart';
 import 'package:toolbox/core/utils.dart';
 import 'package:toolbox/data/model/apt/upgrade_pkg_info.dart';
+import 'package:toolbox/data/model/server/dist.dart';
 import 'package:toolbox/data/model/server/server_private_info.dart';
 import 'package:toolbox/data/provider/apt.dart';
 import 'package:toolbox/data/provider/server.dart';
@@ -68,7 +68,7 @@ class _AptManagePageState extends State<AptManagePage>
       onPwdRequest,
       widget.spi.user,
     );
-    _aptProvider.refreshInstalled();
+    _aptProvider.refresh();
   }
 
   void onSubmitted() {
diff --git a/lib/view/page/home.dart b/lib/view/page/home.dart
index c9b029d1..22906591 100644
--- a/lib/view/page/home.dart
+++ b/lib/view/page/home.dart
@@ -11,7 +11,7 @@ import 'package:toolbox/data/provider/server.dart';
 import 'package:toolbox/data/res/build_data.dart';
 import 'package:toolbox/data/res/color.dart';
 import 'package:toolbox/data/res/font_style.dart';
-import 'package:toolbox/data/res/icon/common.dart';
+import 'package:toolbox/data/res/icon.dart';
 import 'package:toolbox/data/res/tab.dart';
 import 'package:toolbox/data/res/url.dart';
 import 'package:toolbox/data/store/setting.dart';
diff --git a/lib/view/page/server/detail.dart b/lib/view/page/server/detail.dart
index 7b418256..a5684231 100644
--- a/lib/view/page/server/detail.dart
+++ b/lib/view/page/server/detail.dart
@@ -1,13 +1,13 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:toolbox/core/extension/numx.dart';
+import 'package:toolbox/data/model/server/dist.dart';
 import 'package:toolbox/data/model/server/net_speed.dart';
 import 'package:toolbox/data/model/server/server.dart';
 import 'package:toolbox/data/model/server/server_status.dart';
 import 'package:toolbox/data/provider/server.dart';
 import 'package:toolbox/data/res/color.dart';
 import 'package:toolbox/data/res/font_style.dart';
-import 'package:toolbox/data/res/icon/linux_icons.dart';
 import 'package:toolbox/data/res/padding.dart';
 import 'package:toolbox/generated/l10n.dart';
 import 'package:toolbox/view/widget/round_rect_card.dart';
@@ -67,7 +67,7 @@ class _ServerDetailPageState extends State<ServerDetailPage>
   }
 
   Widget _buildLinuxIcon(String sysVer) {
-    final iconPath = linuxIcons.search(sysVer);
+    final iconPath = sysVer.dist?.iconPath;
     if (iconPath == null) return const SizedBox();
     return ConstrainedBox(
       constraints: BoxConstraints(