diff --git a/flutter/lib/desktop/plugin/common.dart b/flutter/lib/desktop/plugin/common.dart
new file mode 100644
index 000000000..b1b3dbfa0
--- /dev/null
+++ b/flutter/lib/desktop/plugin/common.dart
@@ -0,0 +1,49 @@
+import 'dart:convert';
+
+typedef PluginId = String;
+
+// ui location
+const String kLocationHostMainDisplayOthers =
+    'host|main|settings|display|others';
+const String kLocationClientRemoteToolbarDisplay =
+    'client|remote|toolbar|display';
+
+class MsgFromUi {
+  String remotePeerId;
+  String localPeerId;
+  String id;
+  String name;
+  String location;
+  String key;
+  String value;
+  String action;
+
+  MsgFromUi({
+    required this.remotePeerId,
+    required this.localPeerId,
+    required this.id,
+    required this.name,
+    required this.location,
+    required this.key,
+    required this.value,
+    required this.action,
+  });
+
+  Map<String, dynamic> toJson() {
+    return <String, dynamic>{
+      'remote_peer_id': remotePeerId,
+      'local_peer_id': localPeerId,
+      'id': id,
+      'name': name,
+      'location': location,
+      'key': key,
+      'value': value,
+      'action': action,
+    };
+  }
+
+  @override
+  String toString() {
+    return jsonEncode(toJson());
+  }
+}
diff --git a/flutter/lib/plugin/desc.dart b/flutter/lib/desktop/plugin/desc.dart
similarity index 64%
rename from flutter/lib/plugin/desc.dart
rename to flutter/lib/desktop/plugin/desc.dart
index c6b04d11c..8c0de4625 100644
--- a/flutter/lib/plugin/desc.dart
+++ b/flutter/lib/desktop/plugin/desc.dart
@@ -1,49 +1,75 @@
 import 'dart:collection';
 
-class UiButton {
-  String key;
-  String text;
-  String icon;
-  String tooltip;
-  String action;
-
-  UiButton(this.key, this.text, this.icon, this.tooltip, this.action);
-  UiButton.fromJson(Map<String, dynamic> json)
-      : key = json['key'] ?? '',
-        text = json['text'] ?? '',
-        icon = json['icon'] ?? '',
-        tooltip = json['tooltip'] ?? '',
-        action = json['action'] ?? '';
-}
-
-class UiCheckbox {
-  String key;
-  String text;
-  String tooltip;
-  String action;
-
-  UiCheckbox(this.key, this.text, this.tooltip, this.action);
-  UiCheckbox.fromJson(Map<String, dynamic> json)
-      : key = json['key'] ?? '',
-        text = json['text'] ?? '',
-        tooltip = json['tooltip'] ?? '',
-        action = json['action'] ?? '';
-}
+const String kValueTrue = '1';
+const String kValueFalse = '0';
 
 class UiType {
-  UiButton? button;
-  UiCheckbox? checkbox;
+  String key;
+  String text;
+  String tooltip;
+  String action;
+
+  UiType(this.key, this.text, this.tooltip, this.action);
 
   UiType.fromJson(Map<String, dynamic> json)
-      : button = json['t'] == 'Button' ? UiButton.fromJson(json['c']) : null,
-        checkbox =
-            json['t'] != 'Checkbox' ? UiCheckbox.fromJson(json['c']) : null;
+      : key = json['key'] ?? '',
+        text = json['text'] ?? '',
+        tooltip = json['tooltip'] ?? '',
+        action = json['action'] ?? '';
+
+  static UiType? create(Map<String, dynamic> json) {
+    if (json['t'] == 'Button') {
+      return UiButton.fromJson(json['c']);
+    } else if (json['t'] == 'Checkbox') {
+      return UiCheckbox.fromJson(json['c']);
+    } else {
+      return null;
+    }
+  }
+}
+
+class UiButton extends UiType {
+  String icon;
+
+  UiButton(
+      {required String key,
+      required String text,
+      required this.icon,
+      required String tooltip,
+      required String action})
+      : super(key, text, tooltip, action);
+
+  UiButton.fromJson(Map<String, dynamic> json)
+      : icon = json['icon'] ?? '',
+        super.fromJson(json);
+}
+
+class UiCheckbox extends UiType {
+  UiCheckbox(
+      {required String key,
+      required String text,
+      required String tooltip,
+      required String action})
+      : super(key, text, tooltip, action);
+
+  UiCheckbox.fromJson(Map<String, dynamic> json) : super.fromJson(json);
 }
 
 class Location {
+  // location key:
+  //  host|main|settings|display|others
+  //  client|remote|toolbar|display
   HashMap<String, UiType> ui;
 
   Location(this.ui);
+  Location.fromJson(Map<String, dynamic> json) : ui = HashMap() {
+    json.forEach((key, value) {
+      var ui = UiType.create(value);
+      if (ui != null) {
+        this.ui[ui.key] = ui;
+      }
+    });
+  }
 }
 
 class ConfigItem {
@@ -58,6 +84,11 @@ class ConfigItem {
         value = json['value'] ?? '',
         description = json['description'] ?? '',
         defaultValue = json['default'] ?? '';
+
+  static String get trueValue => kValueTrue;
+  static String get falseValue => kValueFalse;
+  static bool isTrue(String value) => value == kValueTrue;
+  static bool isFalse(String value) => value == kValueFalse;
 }
 
 class Config {
diff --git a/flutter/lib/plugin/event.dart b/flutter/lib/desktop/plugin/event.dart
similarity index 100%
rename from flutter/lib/plugin/event.dart
rename to flutter/lib/desktop/plugin/event.dart
diff --git a/flutter/lib/desktop/plugin/model.dart b/flutter/lib/desktop/plugin/model.dart
new file mode 100644
index 000000000..a823844aa
--- /dev/null
+++ b/flutter/lib/desktop/plugin/model.dart
@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+import './common.dart';
+import './desc.dart';
+
+final Map<String, LocationModel> locationModels = {};
+
+class PluginModel with ChangeNotifier {
+  final List<UiType> uiList = [];
+
+  void add(UiType ui) {
+    uiList.add(ui);
+    notifyListeners();
+  }
+
+  bool get isEmpty => uiList.isEmpty;
+}
+
+class LocationModel with ChangeNotifier {
+  final Map<PluginId, PluginModel> pluginModels = {};
+
+  void add(PluginId id, UiType ui) {
+    if (pluginModels[id] != null) {
+      pluginModels[id]!.add(ui);
+    } else {
+      var model = PluginModel();
+      model.add(ui);
+      pluginModels[id] = model;
+      notifyListeners();
+    }
+  }
+
+  bool get isEmpty => pluginModels.isEmpty;
+}
+
+void addLocationUi(String location, PluginId id, UiType ui) {
+  locationModels[location]?.add(id, ui);
+}
+
+LocationModel addLocation(String location) {
+  if (locationModels[location] == null) {
+    locationModels[location] = LocationModel();
+  }
+  return locationModels[location]!;
+}
diff --git a/flutter/lib/desktop/plugin/widget.dart b/flutter/lib/desktop/plugin/widget.dart
new file mode 100644
index 000000000..3f7b413ea
--- /dev/null
+++ b/flutter/lib/desktop/plugin/widget.dart
@@ -0,0 +1,175 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_hbb/models/model.dart';
+import 'package:provider/provider.dart';
+import 'package:flutter_hbb/desktop/widgets/remote_toolbar.dart';
+import 'package:flutter_hbb/models/platform_model.dart';
+
+import './desc.dart';
+import './model.dart';
+import './common.dart';
+
+class LocationItem extends StatelessWidget {
+  final String peerId;
+  final FFI ffi;
+  final String location;
+  final LocationModel locationModel;
+
+  LocationItem({
+    Key? key,
+    required this.peerId,
+    required this.ffi,
+    required this.location,
+    required this.locationModel,
+  }) : super(key: key);
+
+  bool get isEmpty => locationModel.isEmpty;
+
+  static LocationItem createLocationItem(
+      String peerId, FFI ffi, String location) {
+    final model = addLocation(location);
+    return LocationItem(
+      peerId: peerId,
+      ffi: ffi,
+      location: location,
+      locationModel: model,
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ChangeNotifierProvider.value(
+      value: locationModel,
+      child: Consumer<LocationModel>(builder: (context, model, child) {
+        return Column(
+          children: model.pluginModels.entries
+              .map((entry) => _buildPluginItem(entry.key, entry.value))
+              .toList(),
+        );
+      }),
+    );
+  }
+
+  Widget _buildPluginItem(PluginId id, PluginModel model) => PluginItem(
+        pluginId: id,
+        peerId: peerId,
+        ffi: ffi,
+        location: location,
+        pluginModel: model,
+      );
+}
+
+class PluginItem extends StatelessWidget {
+  final PluginId pluginId;
+  final String peerId;
+  final FFI ffi;
+  final String location;
+  final PluginModel pluginModel;
+
+  PluginItem({
+    Key? key,
+    required this.pluginId,
+    required this.peerId,
+    required this.ffi,
+    required this.location,
+    required this.pluginModel,
+  }) : super(key: key);
+
+  bool get isEmpty => pluginModel.isEmpty;
+
+  @override
+  Widget build(BuildContext context) {
+    return ChangeNotifierProvider.value(
+      value: pluginModel,
+      child: Consumer<PluginModel>(builder: (context, model, child) {
+        return Column(
+          children: model.uiList.map((ui) => _buildItem(ui)).toList(),
+        );
+      }),
+    );
+  }
+
+  // to-do: add plugin icon and tooltip
+  Widget _buildItem(UiType ui) {
+    switch (ui.runtimeType) {
+      case UiButton:
+        return _buildMenuButton(ui as UiButton);
+      case UiCheckbox:
+        return _buildCheckboxMenuButton(ui as UiCheckbox);
+      default:
+        return Container();
+    }
+  }
+
+  Uint8List _makeEvent(
+    String localPeerId,
+    String key, {
+    bool? v,
+  }) {
+    final event = MsgFromUi(
+      remotePeerId: peerId,
+      localPeerId: localPeerId,
+      id: pluginId,
+      name: getDesc(pluginId)?.name ?? '',
+      location: location,
+      key: key,
+      value:
+          v != null ? (v ? ConfigItem.trueValue : ConfigItem.falseValue) : '',
+      action: '',
+    );
+    return Uint8List.fromList(event.toString().codeUnits);
+  }
+
+  Widget _buildMenuButton(UiButton ui) {
+    return MenuButton(
+      onPressed: () {
+        () async {
+          final localPeerId = await bind.mainGetMyId();
+          bind.pluginEvent(
+            id: pluginId,
+            event: _makeEvent(localPeerId, ui.key),
+          );
+        }();
+      },
+      trailingIcon: Icon(
+          IconData(int.parse(ui.icon, radix: 16), fontFamily: 'MaterialIcons')),
+      // to-do: RustDesk translate or plugin translate ?
+      child: Text(ui.text),
+      ffi: ffi,
+    );
+  }
+
+  Widget _buildCheckboxMenuButton(UiCheckbox ui) {
+    final v =
+        bind.pluginGetSessionOption(id: pluginId, peer: peerId, key: ui.key);
+    if (v == null) {
+      // session or plugin not found
+      return Container();
+    }
+    return CkbMenuButton(
+      value: ConfigItem.isTrue(v),
+      onChanged: (v) {
+        if (v != null) {
+          () async {
+            final localPeerId = await bind.mainGetMyId();
+            bind.pluginEvent(
+              id: pluginId,
+              event: _makeEvent(localPeerId, ui.key, v: v),
+            );
+          }();
+        }
+      },
+      // to-do: rustdesk translate or plugin translate ?
+      child: Text(ui.text),
+      ffi: ffi,
+    );
+  }
+}
+
+void handleReloading(Map<String, dynamic> evt, String peer) {
+  if (evt['id'] == null || evt['location'] == null) {
+    return;
+  }
+  final ui = UiType.fromJson(evt);
+  addLocationUi(evt['location']!, evt['id']!, ui);
+}
diff --git a/flutter/lib/desktop/widgets/remote_toolbar.dart b/flutter/lib/desktop/widgets/remote_toolbar.dart
index f8a38c830..f4895c785 100644
--- a/flutter/lib/desktop/widgets/remote_toolbar.dart
+++ b/flutter/lib/desktop/widgets/remote_toolbar.dart
@@ -1,5 +1,4 @@
 import 'dart:convert';
-import 'dart:io';
 import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
@@ -9,6 +8,8 @@ import 'package:flutter_hbb/models/chat_model.dart';
 import 'package:flutter_hbb/models/state_model.dart';
 import 'package:flutter_hbb/consts.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
+import 'package:flutter_hbb/desktop/plugin/widget.dart';
+import 'package:flutter_hbb/desktop/plugin/common.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
 import 'package:provider/provider.dart';
@@ -641,7 +642,7 @@ class _ControlMenu extends StatelessWidget {
           if (e.divider) {
             return Divider();
           } else {
-            return _MenuItemButton(
+            return MenuButton(
                 child: e.child,
                 onPressed: e.onPressed,
                 ffi: ffi,
@@ -656,13 +657,19 @@ class _DisplayMenu extends StatefulWidget {
   final FFI ffi;
   final MenubarState state;
   final Function(bool) setFullscreen;
+  final LocationItem pluginItem;
   _DisplayMenu(
       {Key? key,
       required this.id,
       required this.ffi,
       required this.state,
       required this.setFullscreen})
-      : super(key: key);
+      : pluginItem = LocationItem.createLocationItem(
+          id,
+          ffi,
+          kLocationClientRemoteToolbarDisplay,
+        ),
+        super(key: key);
 
   @override
   State<_DisplayMenu> createState() => _DisplayMenuState();
@@ -700,6 +707,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
           resolutions(),
           Divider(),
           toggles(),
+          widget.pluginItem,
         ]);
   }
 
@@ -711,7 +719,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
           if (!visible) return Offstage();
           return Column(
             children: [
-              _MenuItemButton(
+              MenuButton(
                   child: Text(translate('Adjust Window')),
                   onPressed: _doAdjustWindow,
                   ffi: widget.ffi),
@@ -828,7 +836,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
           final v = data as List<TRadioMenu<String>>;
           return Column(children: [
             ...v
-                .map((e) => _RadioMenuButton<String>(
+                .map((e) => RdoMenuButton<String>(
                     value: e.value,
                     groupValue: e.groupValue,
                     onChanged: e.onChanged,
@@ -858,14 +866,14 @@ class _DisplayMenuState extends State<_DisplayMenu> {
 
       final enabled = widget.ffi.canvasModel.imageOverflow.value;
       return Column(children: [
-        _RadioMenuButton<String>(
+        RdoMenuButton<String>(
           child: Text(translate('ScrollAuto')),
           value: kRemoteScrollStyleAuto,
           groupValue: groupValue,
           onChanged: enabled ? (value) => onChange(value) : null,
           ffi: widget.ffi,
         ),
-        _RadioMenuButton<String>(
+        RdoMenuButton<String>(
           child: Text(translate('Scrollbar')),
           value: kRemoteScrollStyleBar,
           groupValue: groupValue,
@@ -886,7 +894,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
             ffi: widget.ffi,
             child: Text(translate('Image Quality')),
             menuChildren: v
-                .map((e) => _RadioMenuButton<String>(
+                .map((e) => RdoMenuButton<String>(
                     value: e.value,
                     groupValue: e.groupValue,
                     onChanged: e.onChanged,
@@ -908,7 +916,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
               ffi: widget.ffi,
               child: Text(translate('Codec')),
               menuChildren: v
-                  .map((e) => _RadioMenuButton(
+                  .map((e) => RdoMenuButton(
                       value: e.value,
                       groupValue: e.groupValue,
                       onChanged: e.onChanged,
@@ -948,7 +956,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
     return _SubmenuButton(
         ffi: widget.ffi,
         menuChildren: resolutions
-            .map((e) => _RadioMenuButton(
+            .map((e) => RdoMenuButton(
                 value: '${e.width}x${e.height}',
                 groupValue: groupValue,
                 onChanged: onChanged,
@@ -966,7 +974,7 @@ class _DisplayMenuState extends State<_DisplayMenu> {
           if (v.isEmpty) return Offstage();
           return Column(
               children: v
-                  .map((e) => _CheckboxMenuButton(
+                  .map((e) => CkbMenuButton(
                       value: e.value,
                       onChanged: e.onChanged,
                       child: e.child,
@@ -1026,7 +1034,7 @@ class _KeyboardMenu extends StatelessWidget {
         KeyboardModeMenu(key: _kKeyMapMode, menu: 'Map mode'),
         KeyboardModeMenu(key: _kKeyTranslateMode, menu: 'Translate mode'),
       ];
-      List<_RadioMenuButton> list = [];
+      List<RdoMenuButton> list = [];
       final enabled = !ffi.ffiModel.viewOnly;
       onChanged(String? value) async {
         if (value == null) return;
@@ -1049,7 +1057,7 @@ class _KeyboardMenu extends StatelessWidget {
         if (mode.key == _kKeyTranslateMode) {
           text = '$text beta';
         }
-        list.add(_RadioMenuButton<String>(
+        list.add(RdoMenuButton<String>(
           child: Text(text),
           value: mode.key,
           groupValue: groupValue,
@@ -1069,7 +1077,7 @@ class _KeyboardMenu extends StatelessWidget {
     return Column(
       children: [
         Divider(),
-        _MenuItemButton(
+        MenuButton(
           child: Text(
               '${translate('Local keyboard type')}: ${KBLayoutType.value}'),
           trailingIcon: const Icon(Icons.settings),
@@ -1085,7 +1093,7 @@ class _KeyboardMenu extends StatelessWidget {
   view_mode() {
     final ffiModel = ffi.ffiModel;
     final enabled = version_cmp(pi.version, '1.2.0') >= 0 && ffiModel.keyboard;
-    return _CheckboxMenuButton(
+    return CkbMenuButton(
         value: ffiModel.viewOnly,
         onChanged: enabled
             ? (value) async {
@@ -1129,7 +1137,7 @@ class _ChatMenuState extends State<_ChatMenu> {
   }
 
   textChat() {
-    return _MenuItemButton(
+    return MenuButton(
         child: Text(translate('Text chat')),
         ffi: widget.ffi,
         onPressed: () {
@@ -1148,7 +1156,7 @@ class _ChatMenuState extends State<_ChatMenu> {
   }
 
   voiceCall() {
-    return _MenuItemButton(
+    return MenuButton(
       child: Text(translate('Voice call')),
       ffi: widget.ffi,
       onPressed: () => bind.sessionRequestVoiceCall(id: widget.id),
@@ -1403,12 +1411,12 @@ class _SubmenuButton extends StatelessWidget {
   }
 }
 
-class _MenuItemButton extends StatelessWidget {
+class MenuButton extends StatelessWidget {
   final VoidCallback? onPressed;
   final Widget? trailingIcon;
   final Widget? child;
   final FFI ffi;
-  _MenuItemButton(
+  MenuButton(
       {Key? key,
       this.onPressed,
       this.trailingIcon,
@@ -1431,12 +1439,12 @@ class _MenuItemButton extends StatelessWidget {
   }
 }
 
-class _CheckboxMenuButton extends StatelessWidget {
+class CkbMenuButton extends StatelessWidget {
   final bool? value;
   final ValueChanged<bool?>? onChanged;
   final Widget? child;
   final FFI ffi;
-  const _CheckboxMenuButton(
+  const CkbMenuButton(
       {Key? key,
       required this.value,
       required this.onChanged,
@@ -1460,13 +1468,13 @@ class _CheckboxMenuButton extends StatelessWidget {
   }
 }
 
-class _RadioMenuButton<T> extends StatelessWidget {
+class RdoMenuButton<T> extends StatelessWidget {
   final T value;
   final T? groupValue;
   final ValueChanged<T?>? onChanged;
   final Widget? child;
   final FFI ffi;
-  const _RadioMenuButton(
+  const RdoMenuButton(
       {Key? key,
       required this.value,
       required this.groupValue,
diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
index b9a2a7598..406783c2e 100644
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@@ -16,8 +16,9 @@ import 'package:flutter_hbb/models/peer_tab_model.dart';
 import 'package:flutter_hbb/models/server_model.dart';
 import 'package:flutter_hbb/models/user_model.dart';
 import 'package:flutter_hbb/models/state_model.dart';
-import 'package:flutter_hbb/plugin/event.dart';
-import 'package:flutter_hbb/plugin/reloader.dart';
+import 'package:flutter_hbb/desktop/plugin/event.dart';
+import 'package:flutter_hbb/desktop/plugin/desc.dart';
+import 'package:flutter_hbb/desktop/plugin/widget.dart';
 import 'package:flutter_hbb/common/shared_state.dart';
 import 'package:tuple/tuple.dart';
 import 'package:image/image.dart' as img2;
@@ -229,7 +230,7 @@ class FfiModel with ChangeNotifier {
       } else if (name == "fingerprint") {
         FingerprintState.find(peerId).value = evt['fingerprint'] ?? '';
       } else if (name == "plugin_desc") {
-        handleReloading(evt, peerId);
+        updateDesc(evt);
       } else if (name == "plugin_event") {
         handlePluginEvent(
             evt, peerId, (Map<String, dynamic> e) => handleMsgBox(e, peerId));
diff --git a/flutter/lib/plugin/reloader.dart b/flutter/lib/plugin/reloader.dart
deleted file mode 100644
index 1b1641f87..000000000
--- a/flutter/lib/plugin/reloader.dart
+++ /dev/null
@@ -1,29 +0,0 @@
-void handleReloading(Map<String, dynamic> evt, String peer) {
-  // location
-  // host|main|settings|display|others
-  // client|remote|toolbar|display
-  //
-  // ui
-  // {
-  //   "t": "Button",
-  //   "c": {
-  //     "key": "key",
-  //     "text": "text",
-  //     "icon": "icon",
-  //     "tooltip": "tooltip",
-  //     "action": "action"
-  //   }
-  // }
-  //
-  // {
-  //   "t": "Checkbox",
-  //   "c": {
-  //     "key": "key",
-  //     "text": "text",
-  //     "tooltip": "tooltip",
-  //     "action": "action"
-  //   }
-  // }
-  //
-  
-}
diff --git a/flutter/lib/plugin/widget.dart b/flutter/lib/plugin/widget.dart
deleted file mode 100644
index dbdfbbadd..000000000
--- a/flutter/lib/plugin/widget.dart
+++ /dev/null
@@ -1,17 +0,0 @@
-import 'package:flutter/material.dart';
-
-final Map<String, PluginWidget> pluginWidgets = {};
-
-class PluginWidget {
-  final String id;
-  final String name;
-  final String location;
-  final Widget widget;
-
-  PluginWidget({
-    required this.id,
-    required this.name,
-    required this.location,
-    required this.widget,
-  });
-}
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index 5f72431ef..b5cc669ab 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -1405,6 +1405,58 @@ pub fn plugin_event(_id: String, _event: Vec<u8>) {
     }
 }
 
+#[inline]
+pub fn plugin_get_session_option(_id: String, _peer: String, _key: String) -> SyncReturn<Option<String>> {
+    #[cfg(feature = "plugin_framework")]
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    {
+        return SyncReturn(crate::plugin::PeerConfig::get(&_id, &_peer, &_key));
+    }
+    #[cfg(any(
+        not(feature = "plugin_framework"),
+        target_os = "android",
+        target_os = "ios"
+    ))]
+    {
+        return SyncReturn(None);
+    }
+}
+
+#[inline]
+pub fn plugin_set_session_option(_id: String, _peer: String, _key: String, _value: String) {
+    #[cfg(feature = "plugin_framework")]
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    {
+        crate::plugin::PeerConfig::set(&_id, &_peer, &_key, &_value);
+    }
+}
+
+#[inline]
+pub fn plugin_get_local_option(_id: String, _key: String) -> SyncReturn<Option<String>> {
+    #[cfg(feature = "plugin_framework")]
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    {
+        return SyncReturn(crate::plugin::LocalConfig::get(&_id, &_key));
+    }
+    #[cfg(any(
+        not(feature = "plugin_framework"),
+        target_os = "android",
+        target_os = "ios"
+    ))]
+    {
+        return SyncReturn(None);
+    }
+}
+
+#[inline]
+pub fn plugin_set_local_option(_id: String, _key: String, _value: String) {
+    #[cfg(feature = "plugin_framework")]
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    {
+        crate::plugin::LocalConfig::set(&_id, &_key, &_value);
+    }
+}
+
 #[cfg(target_os = "android")]
 pub mod server_side {
     use hbb_common::{config, log};
diff --git a/src/plugin/config.rs b/src/plugin/config.rs
index 7a9228425..d86053649 100644
--- a/src/plugin/config.rs
+++ b/src/plugin/config.rs
@@ -15,9 +15,9 @@ lazy_static::lazy_static! {
 }
 
 #[derive(Debug, Default, Serialize, Deserialize)]
-struct LocalConfig(HashMap<String, String>);
+pub struct LocalConfig(HashMap<String, String>);
 #[derive(Debug, Default, Serialize, Deserialize)]
-struct PeerConfig(HashMap<String, String>);
+pub struct PeerConfig(HashMap<String, String>);
 type PeersConfig = HashMap<String, PeerConfig>;
 
 #[inline]
diff --git a/src/plugin/desc.rs b/src/plugin/desc.rs
index bc094abf9..94a137570 100644
--- a/src/plugin/desc.rs
+++ b/src/plugin/desc.rs
@@ -8,7 +8,7 @@ use std::ffi::{c_char, CStr};
 pub struct UiButton {
     key: String,
     text: String,
-    icon: String,
+    icon: String,   // icon can be int in flutter, but string in other ui framework. And it is flexible to use string.
     tooltip: String,
     action: String, // The action to be triggered when the button is clicked.
 }
diff --git a/src/plugin/mod.rs b/src/plugin/mod.rs
index 2f16f0325..c7ff2c4af 100644
--- a/src/plugin/mod.rs
+++ b/src/plugin/mod.rs
@@ -12,6 +12,8 @@ pub use plugins::{
     reload_plugin, unload_plugin,
 };
 
+pub use config::{LocalConfig, PeerConfig};
+
 #[inline]
 fn cstr_to_string(cstr: *const c_char) -> ResultType<String> {
     Ok(String::from_utf8(unsafe {