diff --git a/flutter/lib/consts.dart b/flutter/lib/consts.dart
index 662f7cbd2..466b4b74a 100644
--- a/flutter/lib/consts.dart
+++ b/flutter/lib/consts.dart
@@ -4,3 +4,6 @@ const String kAppTypeDesktopRemote = "remote";
 const String kAppTypeDesktopFileTransfer = "file transfer";
 const String kTabLabelHomePage = "Home";
 const String kTabLabelSettingPage = "Settings";
+
+const int kDefaultDisplayWidth = 1280;
+const int kDefaultDisplayHeight = 720;
diff --git a/flutter/lib/desktop/pages/remote_page.dart b/flutter/lib/desktop/pages/remote_page.dart
index d81adb3d9..ceeb96049 100644
--- a/flutter/lib/desktop/pages/remote_page.dart
+++ b/flutter/lib/desktop/pages/remote_page.dart
@@ -41,6 +41,7 @@ class _RemotePageState extends State<RemotePage>
   String _value = '';
   double _scale = 1;
   double _mouseScrollIntegral = 0; // mouse scroll speed controller
+  var _cursorOverImage = false.obs;
 
   var _more = true;
   var _fn = false;
@@ -256,7 +257,8 @@ class _RemotePageState extends State<RemotePage>
                     }
                   });
                 }),
-        bottomNavigationBar: _showBar && hasDisplays ? getBottomAppBar() : null,
+        bottomNavigationBar:
+            _showBar && hasDisplays ? getBottomAppBar(ffiModel) : null,
         body: Overlay(
           initialEntries: [
             OverlayEntry(builder: (context) {
@@ -274,7 +276,6 @@ class _RemotePageState extends State<RemotePage>
   @override
   Widget build(BuildContext context) {
     super.build(context);
-    _ffi.canvasModel.tabBarHeight = super.widget.tabBarHeight;
     return WillPopScope(
         onWillPop: () async {
           clientClose(_ffi.dialogManager);
@@ -292,201 +293,148 @@ class _RemotePageState extends State<RemotePage>
   }
 
   Widget getRawPointerAndKeyBody(Widget child) {
-    return Listener(
-        onPointerHover: (e) {
-          if (e.kind != ui.PointerDeviceKind.mouse) return;
-          if (!_isPhysicalMouse) {
-            setState(() {
-              _isPhysicalMouse = true;
-            });
-          }
-          if (_isPhysicalMouse) {
-            _ffi.handleMouse(getEvent(e, 'mousemove'),
-                tabBarHeight: super.widget.tabBarHeight);
-          }
-        },
-        onPointerDown: (e) {
-          if (e.kind != ui.PointerDeviceKind.mouse) {
-            if (_isPhysicalMouse) {
-              setState(() {
-                _isPhysicalMouse = false;
-              });
-            }
-          }
-          if (_isPhysicalMouse) {
-            _ffi.handleMouse(getEvent(e, 'mousedown'),
-                tabBarHeight: super.widget.tabBarHeight);
-          }
-        },
-        onPointerUp: (e) {
-          if (e.kind != ui.PointerDeviceKind.mouse) return;
-          if (_isPhysicalMouse) {
-            _ffi.handleMouse(getEvent(e, 'mouseup'),
-                tabBarHeight: super.widget.tabBarHeight);
-          }
-        },
-        onPointerMove: (e) {
-          if (e.kind != ui.PointerDeviceKind.mouse) return;
-          if (_isPhysicalMouse) {
-            _ffi.handleMouse(getEvent(e, 'mousemove'),
-                tabBarHeight: super.widget.tabBarHeight);
-          }
-        },
-        onPointerSignal: (e) {
-          if (e is PointerScrollEvent) {
-            var dx = e.scrollDelta.dx;
-            var dy = e.scrollDelta.dy;
-            if (dx > 0)
-              dx = -1;
-            else if (dx < 0) dx = 1;
-            if (dy > 0)
-              dy = -1;
-            else if (dy < 0) dy = 1;
-            bind.sessionSendMouse(
-                id: widget.id,
-                msg: '{"type": "wheel", "x": "$dx", "y": "$dy"}');
-          }
-        },
-        child: Consumer<FfiModel>(
-            builder: (context, FfiModel, _child) => MouseRegion(
-                cursor: FfiModel.permissions['keyboard'] != false
-                    ? SystemMouseCursors.none
-                    : MouseCursor.defer,
-                child: FocusScope(
+    return Consumer<FfiModel>(
+        builder: (context, FfiModel, _child) => MouseRegion(
+            cursor: FfiModel.permissions['keyboard'] != false
+                ? SystemMouseCursors.none
+                : MouseCursor.defer,
+            child: FocusScope(
+                autofocus: true,
+                child: Focus(
                     autofocus: true,
-                    child: Focus(
-                        autofocus: true,
-                        canRequestFocus: true,
-                        focusNode: _physicalFocusNode,
-                        onKey: (data, e) {
-                          final key = e.logicalKey;
-                          if (e is RawKeyDownEvent) {
-                            if (e.repeat) {
-                              sendRawKey(e, press: true);
-                            } else {
-                              if (e.isAltPressed && !_ffi.alt) {
-                                _ffi.alt = true;
-                              } else if (e.isControlPressed && !_ffi.ctrl) {
-                                _ffi.ctrl = true;
-                              } else if (e.isShiftPressed && !_ffi.shift) {
-                                _ffi.shift = true;
-                              } else if (e.isMetaPressed && !_ffi.command) {
-                                _ffi.command = true;
-                              }
-                              sendRawKey(e, down: true);
-                            }
+                    canRequestFocus: true,
+                    focusNode: _physicalFocusNode,
+                    onKey: (data, e) {
+                      final key = e.logicalKey;
+                      if (e is RawKeyDownEvent) {
+                        if (e.repeat) {
+                          sendRawKey(e, press: true);
+                        } else {
+                          if (e.isAltPressed && !_ffi.alt) {
+                            _ffi.alt = true;
+                          } else if (e.isControlPressed && !_ffi.ctrl) {
+                            _ffi.ctrl = true;
+                          } else if (e.isShiftPressed && !_ffi.shift) {
+                            _ffi.shift = true;
+                          } else if (e.isMetaPressed && !_ffi.command) {
+                            _ffi.command = true;
                           }
-                          // [!_showEdit] workaround for soft-keyboard's control_key like Backspace / Enter
-                          if (!_showEdit && e is RawKeyUpEvent) {
-                            if (key == LogicalKeyboardKey.altLeft ||
-                                key == LogicalKeyboardKey.altRight) {
-                              _ffi.alt = false;
-                            } else if (key == LogicalKeyboardKey.controlLeft ||
-                                key == LogicalKeyboardKey.controlRight) {
-                              _ffi.ctrl = false;
-                            } else if (key == LogicalKeyboardKey.shiftRight ||
-                                key == LogicalKeyboardKey.shiftLeft) {
-                              _ffi.shift = false;
-                            } else if (key == LogicalKeyboardKey.metaLeft ||
-                                key == LogicalKeyboardKey.metaRight) {
-                              _ffi.command = false;
-                            }
-                            sendRawKey(e);
-                          }
-                          return KeyEventResult.handled;
-                        },
-                        child: child)))));
+                          sendRawKey(e, down: true);
+                        }
+                      }
+                      // [!_showEdit] workaround for soft-keyboard's control_key like Backspace / Enter
+                      if (!_showEdit && e is RawKeyUpEvent) {
+                        if (key == LogicalKeyboardKey.altLeft ||
+                            key == LogicalKeyboardKey.altRight) {
+                          _ffi.alt = false;
+                        } else if (key == LogicalKeyboardKey.controlLeft ||
+                            key == LogicalKeyboardKey.controlRight) {
+                          _ffi.ctrl = false;
+                        } else if (key == LogicalKeyboardKey.shiftRight ||
+                            key == LogicalKeyboardKey.shiftLeft) {
+                          _ffi.shift = false;
+                        } else if (key == LogicalKeyboardKey.metaLeft ||
+                            key == LogicalKeyboardKey.metaRight) {
+                          _ffi.command = false;
+                        }
+                        sendRawKey(e);
+                      }
+                      return KeyEventResult.handled;
+                    },
+                    child: child))));
   }
 
-  Widget? getBottomAppBar() {
-    return BottomAppBar(
-      elevation: 10,
-      color: MyTheme.accent,
-      child: Row(
-        mainAxisSize: MainAxisSize.max,
-        mainAxisAlignment: MainAxisAlignment.spaceBetween,
-        children: <Widget>[
-          Row(
-              children: <Widget>[
-                    IconButton(
-                      color: Colors.white,
-                      icon: Icon(Icons.clear),
-                      onPressed: () {
-                        clientClose(_ffi.dialogManager);
-                      },
-                    )
-                  ] +
-                  <Widget>[
-                    IconButton(
-                      color: Colors.white,
-                      icon: Icon(Icons.tv),
-                      onPressed: () {
-                        setState(() => _showEdit = false);
-                        showOptions(widget.id, _ffi.dialogManager);
-                      },
-                    )
-                  ] +
-                  (isWebDesktop
-                      ? []
-                      : _ffi.ffiModel.isPeerAndroid
-                          ? [
+  Widget? getBottomAppBar(FfiModel ffiModel) {
+    return MouseRegion(
+        cursor: SystemMouseCursors.basic,
+        child: BottomAppBar(
+          elevation: 10,
+          color: MyTheme.accent,
+          child: Row(
+            mainAxisSize: MainAxisSize.max,
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: <Widget>[
+              Row(
+                  children: <Widget>[
+                        IconButton(
+                          color: Colors.white,
+                          icon: Icon(Icons.clear),
+                          onPressed: () {
+                            clientClose(_ffi.dialogManager);
+                          },
+                        )
+                      ] +
+                      <Widget>[
+                        IconButton(
+                          color: Colors.white,
+                          icon: Icon(Icons.tv),
+                          onPressed: () {
+                            setState(() => _showEdit = false);
+                            showOptions(widget.id, _ffi.dialogManager);
+                          },
+                        )
+                      ] +
+                      (isWebDesktop
+                          ? []
+                          : _ffi.ffiModel.isPeerAndroid
+                              ? [
+                                  IconButton(
+                                    color: Colors.white,
+                                    icon: Icon(Icons.build),
+                                    onPressed: () {
+                                      if (mobileActionsOverlayEntry == null) {
+                                        showMobileActionsOverlay();
+                                      } else {
+                                        hideMobileActionsOverlay();
+                                      }
+                                    },
+                                  )
+                                ]
+                              : [
+                                  IconButton(
+                                      color: Colors.white,
+                                      icon: Icon(Icons.keyboard),
+                                      onPressed: openKeyboard),
+                                  IconButton(
+                                    color: Colors.white,
+                                    icon: Icon(_ffi.ffiModel.touchMode
+                                        ? Icons.touch_app
+                                        : Icons.mouse),
+                                    onPressed: changeTouchMode,
+                                  ),
+                                ]) +
+                      (isWeb
+                          ? []
+                          : <Widget>[
                               IconButton(
                                 color: Colors.white,
-                                icon: Icon(Icons.build),
+                                icon: Icon(Icons.message),
                                 onPressed: () {
-                                  if (mobileActionsOverlayEntry == null) {
-                                    showMobileActionsOverlay();
-                                  } else {
-                                    hideMobileActionsOverlay();
-                                  }
+                                  _ffi.chatModel
+                                      .changeCurrentID(ChatModel.clientModeID);
+                                  _ffi.chatModel.toggleChatOverlay();
                                 },
                               )
-                            ]
-                          : [
-                              IconButton(
-                                  color: Colors.white,
-                                  icon: Icon(Icons.keyboard),
-                                  onPressed: openKeyboard),
-                              IconButton(
-                                color: Colors.white,
-                                icon: Icon(_ffi.ffiModel.touchMode
-                                    ? Icons.touch_app
-                                    : Icons.mouse),
-                                onPressed: changeTouchMode,
-                              ),
                             ]) +
-                  (isWeb
-                      ? []
-                      : <Widget>[
-                          IconButton(
-                            color: Colors.white,
-                            icon: Icon(Icons.message),
-                            onPressed: () {
-                              _ffi.chatModel
-                                  .changeCurrentID(ChatModel.clientModeID);
-                              _ffi.chatModel.toggleChatOverlay();
-                            },
-                          )
-                        ]) +
-                  [
-                    IconButton(
-                      color: Colors.white,
-                      icon: Icon(Icons.more_vert),
-                      onPressed: () {
-                        setState(() => _showEdit = false);
-                        showActions(widget.id);
-                      },
-                    ),
-                  ]),
-          IconButton(
-              color: Colors.white,
-              icon: Icon(Icons.expand_more),
-              onPressed: () {
-                setState(() => _showBar = !_showBar);
-              }),
-        ],
-      ),
-    );
+                      [
+                        IconButton(
+                          color: Colors.white,
+                          icon: Icon(Icons.more_vert),
+                          onPressed: () {
+                            setState(() => _showEdit = false);
+                            showActions(widget.id, ffiModel);
+                          },
+                        ),
+                      ]),
+              IconButton(
+                  color: Colors.white,
+                  icon: Icon(Icons.expand_more),
+                  onPressed: () {
+                    setState(() => _showBar = !_showBar);
+                  }),
+            ],
+          ),
+        ));
   }
 
   /// touchMode only:
@@ -499,6 +447,81 @@ class _RemotePageState extends State<RemotePage>
   ///   DoubleFiner -> right click
   ///   HoldDrag -> left drag
 
+  void _onPointHoverImage(PointerHoverEvent e) {
+    if (e.kind != ui.PointerDeviceKind.mouse) return;
+    if (!_isPhysicalMouse) {
+      setState(() {
+        _isPhysicalMouse = true;
+      });
+    }
+    if (_isPhysicalMouse) {
+      _ffi.handleMouse(getEvent(e, 'mousemove'),
+          tabBarHeight: super.widget.tabBarHeight);
+    }
+  }
+
+  void _onPointDownImage(PointerDownEvent e) {
+    if (e.kind != ui.PointerDeviceKind.mouse) {
+      if (_isPhysicalMouse) {
+        setState(() {
+          _isPhysicalMouse = false;
+        });
+      }
+    }
+    if (_isPhysicalMouse) {
+      _ffi.handleMouse(getEvent(e, 'mousedown'),
+          tabBarHeight: super.widget.tabBarHeight);
+    }
+  }
+
+  void _onPointUpImage(PointerUpEvent e) {
+    if (e.kind != ui.PointerDeviceKind.mouse) return;
+    if (_isPhysicalMouse) {
+      _ffi.handleMouse(getEvent(e, 'mouseup'),
+          tabBarHeight: super.widget.tabBarHeight);
+    }
+  }
+
+  void _onPointMoveImage(PointerMoveEvent e) {
+    if (e.kind != ui.PointerDeviceKind.mouse) return;
+    if (_isPhysicalMouse) {
+      _ffi.handleMouse(getEvent(e, 'mousemove'),
+          tabBarHeight: super.widget.tabBarHeight);
+    }
+  }
+
+  void _onPointerSignalImage(PointerSignalEvent e) {
+    if (e is PointerScrollEvent) {
+      var dx = e.scrollDelta.dx.toInt();
+      var dy = e.scrollDelta.dy.toInt();
+      if (dx > 0)
+        dx = -1;
+      else if (dx < 0) dx = 1;
+      if (dy > 0)
+        dy = -1;
+      else if (dy < 0) dy = 1;
+      bind.sessionSendMouse(
+          id: widget.id, msg: '{"type": "wheel", "x": "$dx", "y": "$dy"}');
+    }
+  }
+
+  Widget _buildImageListener(Widget child) {
+    return Listener(
+        onPointerHover: _onPointHoverImage,
+        onPointerDown: _onPointDownImage,
+        onPointerUp: _onPointUpImage,
+        onPointerMove: _onPointMoveImage,
+        onPointerSignal: _onPointerSignalImage,
+        child: MouseRegion(
+            onEnter: (evt) {
+              _cursorOverImage.value = true;
+            },
+            onExit: (evt) {
+              _cursorOverImage.value = false;
+            },
+            child: child));
+  }
+
   Widget getBodyForDesktop(BuildContext context, bool keyboard) {
     var paints = <Widget>[
       MouseRegion(onEnter: (evt) {
@@ -512,6 +535,8 @@ class _RemotePageState extends State<RemotePage>
           });
           return ImagePaint(
             id: widget.id,
+            cursorOverImage: _cursorOverImage,
+            listenerBuilder: _buildImageListener,
           );
         }),
       ))
@@ -550,7 +575,7 @@ class _RemotePageState extends State<RemotePage>
     return out;
   }
 
-  void showActions(String id) async {
+  void showActions(String id, FfiModel ffiModel) async {
     final size = MediaQuery.of(context).size;
     final x = 120.0;
     final y = size.height - super.widget.tabBarHeight;
@@ -595,12 +620,8 @@ class _RemotePageState extends State<RemotePage>
           await bind.getSessionToggleOption(id: id, arg: 'privacy-mode') !=
               true) {
         more.add(PopupMenuItem<String>(
-            child: Consumer<FfiModel>(
-                builder: (_context, ffiModel, _child) => () {
-                      return Text(translate(
-                          (ffiModel.inputBlocked ? 'Unb' : 'B') +
-                              'lock user input'));
-                    }()),
+            child: Text(translate(
+                (ffiModel.inputBlocked ? 'Unb' : 'B') + 'lock user input')),
             value: 'block-input'));
       }
     }
@@ -630,6 +651,9 @@ class _RemotePageState extends State<RemotePage>
           }
         }();
       } else if (value == 'enter_os_password') {
+        // FIXME:
+        // null means no session of id
+        // empty string means no password
         var password = await bind.getSessionOption(id: id, arg: "os-password");
         if (password != null) {
           bind.sessionInputOsPassword(id: widget.id, value: password);
@@ -822,18 +846,95 @@ class _RemotePageState extends State<RemotePage>
 
 class ImagePaint extends StatelessWidget {
   final String id;
+  final Rx<bool> cursorOverImage;
+  final Widget Function(Widget)? listenerBuilder;
+  final ScrollController _horizontal = ScrollController();
+  final ScrollController _vertical = ScrollController();
 
-  const ImagePaint({Key? key, required this.id}) : super(key: key);
+  ImagePaint(
+      {Key? key,
+      required this.id,
+      required this.cursorOverImage,
+      this.listenerBuilder = null})
+      : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     final m = Provider.of<ImageModel>(context);
-    final c = Provider.of<CanvasModel>(context);
-    var s = c.scale;
-    return CustomPaint(
-      painter:
-          new ImagePainter(image: m.image, x: c.x / s, y: c.y / s, scale: s),
-    );
+    var c = Provider.of<CanvasModel>(context);
+    final s = c.scale;
+    if (c.scrollStyle == ScrollStyle.scrollbar) {
+      final imageWidget = SizedBox(
+          width: c.getDisplayWidth() * s,
+          height: c.getDisplayHeight() * s,
+          child: CustomPaint(
+            painter: new ImagePainter(image: m.image, x: 0, y: 0, scale: s),
+          ));
+      return Center(
+          child: NotificationListener<ScrollNotification>(
+        onNotification: (_notification) {
+          final percentX = _horizontal.position.extentBefore /
+              (_horizontal.position.extentBefore +
+                  _horizontal.position.extentInside +
+                  _horizontal.position.extentAfter);
+          final percentY = _vertical.position.extentBefore /
+              (_vertical.position.extentBefore +
+                  _vertical.position.extentInside +
+                  _vertical.position.extentAfter);
+          c.setScrollPercent(percentX, percentY);
+          return false;
+        },
+        child: Obx(() => MouseRegion(
+            cursor: cursorOverImage.value
+                ? SystemMouseCursors.none
+                : SystemMouseCursors.basic,
+            child: _buildCrossScrollbar(_buildListener(imageWidget)))),
+      ));
+    } else {
+      final imageWidget = SizedBox(
+          width: c.size.width,
+          height: c.size.height,
+          child: CustomPaint(
+            painter: new ImagePainter(
+                image: m.image, x: c.x / s, y: c.y / s, scale: s),
+          ));
+      return _buildListener(imageWidget);
+    }
+  }
+
+  Widget _buildCrossScrollbar(Widget child) {
+    final physicsVertical =
+        cursorOverImage.value ? const NeverScrollableScrollPhysics() : null;
+    final physicsHorizontal =
+        cursorOverImage.value ? const NeverScrollableScrollPhysics() : null;
+    return Scrollbar(
+        controller: _vertical,
+        thumbVisibility: true,
+        trackVisibility: true,
+        child: Scrollbar(
+          controller: _horizontal,
+          thumbVisibility: true,
+          trackVisibility: true,
+          notificationPredicate: (notif) => notif.depth == 1,
+          child: SingleChildScrollView(
+            controller: _vertical,
+            physics: physicsVertical,
+            child: SingleChildScrollView(
+              controller: _horizontal,
+              scrollDirection: Axis.horizontal,
+              physics: physicsHorizontal,
+              child: child,
+            ),
+          ),
+        ));
+  }
+
+  Widget _buildListener(Widget child) {
+    if (listenerBuilder != null) {
+      return listenerBuilder!(child);
+    } else {
+      return child;
+    }
   }
 }
 
@@ -896,6 +997,8 @@ void showOptions(String id, OverlayDialogManager dialogManager) async {
   if (quality == '') quality = 'balanced';
   String viewStyle =
       await bind.getSessionOption(id: id, arg: 'view-style') ?? '';
+  String scrollStyle =
+      await bind.getSessionOption(id: id, arg: 'scroll-style') ?? '';
   var displays = <Widget>[];
   final pi = ffi(id).ffiModel.pi;
   final image = ffi(id).ffiModel.getConnectionImage();
@@ -968,6 +1071,14 @@ void showOptions(String id, OverlayDialogManager dialogManager) async {
         ffi(id).canvasModel.updateViewStyle();
       });
     };
+    var setScrollStyle = (String? value) {
+      if (value == null) return;
+      setState(() {
+        scrollStyle = value;
+        bind.sessionPeerOption(id: id, name: "scroll-style", value: value);
+        ffi(id).canvasModel.updateScrollStyle();
+      });
+    };
     return CustomAlertDialog(
       title: SizedBox.shrink(),
       content: Column(
@@ -978,6 +1089,10 @@ void showOptions(String id, OverlayDialogManager dialogManager) async {
                 getRadio('Shrink', 'shrink', viewStyle, setViewStyle),
                 getRadio('Stretch', 'stretch', viewStyle, setViewStyle),
                 Divider(color: MyTheme.border),
+                getRadio(
+                    'ScrollAuto', 'scrollauto', scrollStyle, setScrollStyle),
+                getRadio('Scrollbar', 'scrollbar', scrollStyle, setScrollStyle),
+                Divider(color: MyTheme.border),
                 getRadio('Good image quality', 'best', quality, setQuality),
                 getRadio('Balanced', 'balanced', quality, setQuality),
                 getRadio('Optimize reaction time', 'low', quality, setQuality),
diff --git a/flutter/lib/mobile/pages/remote_page.dart b/flutter/lib/mobile/pages/remote_page.dart
index 14bdfa833..3e826705f 100644
--- a/flutter/lib/mobile/pages/remote_page.dart
+++ b/flutter/lib/mobile/pages/remote_page.dart
@@ -735,6 +735,9 @@ class _RemotePageState extends State<RemotePage> {
           }
         }();
       } else if (value == 'enter_os_password') {
+        // FIXME:
+        // null means no session of id
+        // empty string means no password
         var password = await bind.getSessionOption(id: id, arg: "os-password");
         if (password != null) {
           bind.sessionInputOsPassword(id: widget.id, value: password);
diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
index a52947c74..c297141de 100644
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@@ -387,8 +387,9 @@ class ImageModel with ChangeNotifier {
 
   void update(ui.Image? image, double tabBarHeight) {
     if (_image == null && image != null) {
-      if (isWebDesktop) {
+      if (isWebDesktop || isDesktop) {
         parent.target?.canvasModel.updateViewStyle();
+        parent.target?.canvasModel.updateScrollStyle();
       } else {
         final size = MediaQueryData.fromWindow(ui.window).size;
         final canvasWidth = size.width;
@@ -432,36 +433,52 @@ class ImageModel with ChangeNotifier {
   }
 }
 
+enum ScrollStyle {
+  scrollbar,
+  scrollauto,
+}
+
 class CanvasModel with ChangeNotifier {
+  // scroll offset x percent
+  double _scrollX = 0.0;
+  // scroll offset y percent
+  double _scrollY = 0.0;
   double _x = 0;
   double _y = 0;
   double _scale = 1.0;
   double _tabBarHeight = 0.0;
   String id = ""; // TODO multi canvas model
+  ScrollStyle _scrollStyle = ScrollStyle.scrollauto;
 
   WeakReference<FFI> parent;
 
   CanvasModel(this.parent);
 
   double get x => _x;
-
   double get y => _y;
-
   double get scale => _scale;
+  ScrollStyle get scrollStyle => _scrollStyle;
+
+  setScrollPercent(double x, double y) {
+    _scrollX = x;
+    _scrollY = y;
+  }
+
+  double get scrollX => _scrollX;
+  double get scrollY => _scrollY;
 
   set tabBarHeight(double h) => _tabBarHeight = h;
   double get tabBarHeight => _tabBarHeight;
 
   void updateViewStyle() async {
-    final s = await bind.getSessionOption(id: id, arg: 'view-style');
-    if (s == null) {
+    final style = await bind.getSessionOption(id: id, arg: 'view-style');
+    if (style == null) {
       return;
     }
-    final size = MediaQueryData.fromWindow(ui.window).size;
-    final canvasWidth = size.width;
-    final canvasHeight = size.height - _tabBarHeight;
-    final s1 = canvasWidth / (parent.target?.ffiModel.display.width ?? 720);
-    final s2 = canvasHeight / (parent.target?.ffiModel.display.height ?? 1280);
+
+    final s1 = size.width / (parent.target?.ffiModel.display.width ?? 720);
+    final s2 = size.height / (parent.target?.ffiModel.display.height ?? 1280);
+
     // Closure to perform shrink operation.
     final shrinkOp = () {
       final s = s1 < s2 ? s1 : s2;
@@ -471,7 +488,7 @@ class CanvasModel with ChangeNotifier {
     };
     // Closure to perform stretch operation.
     final stretchOp = () {
-      final s = s1 > s2 ? s1 : s2;
+      final s = s1 < s2 ? s1 : s2;
       if (s > 1) {
         _scale = s;
       }
@@ -480,20 +497,34 @@ class CanvasModel with ChangeNotifier {
     final defaultOp = () {
       _scale = 1.0;
     };
-    if (s == 'shrink') {
+
+    // // On desktop, shrink is the default behavior.
+    // if (isDesktop) {
+    //   shrinkOp();
+    // } else {
+    defaultOp();
+    // }
+
+    if (style == 'shrink') {
       shrinkOp();
-    } else if (s == 'stretch') {
+    } else if (style == 'stretch') {
       stretchOp();
-    } else {
-      // On desktop, shrink is the default behavior.
-      if (isDesktop) {
-        shrinkOp();
-      } else {
-        defaultOp();
-      }
     }
-    _x = (canvasWidth - getDisplayWidth() * _scale) / 2;
-    _y = (canvasHeight - getDisplayHeight() * _scale) / 2;
+
+    _x = (size.width - getDisplayWidth() * _scale) / 2;
+    _y = (size.height - getDisplayHeight() * _scale) / 2;
+    notifyListeners();
+  }
+
+  updateScrollStyle() async {
+    final style = await bind.getSessionOption(id: id, arg: 'scroll-style');
+    if (style == 'scrollbar') {
+      _scrollStyle = ScrollStyle.scrollbar;
+      _scrollX = 0.0;
+      _scrollY = 0.0;
+    } else {
+      _scrollStyle = ScrollStyle.scrollauto;
+    }
     notifyListeners();
   }
 
@@ -512,28 +543,30 @@ class CanvasModel with ChangeNotifier {
     return parent.target?.ffiModel.display.height ?? 720;
   }
 
+  Size get size {
+    final size = MediaQueryData.fromWindow(ui.window).size;
+    return Size(size.width, size.height - _tabBarHeight);
+  }
+
   void moveDesktopMouse(double x, double y) {
     // On mobile platforms, move the canvas with the cursor.
-    if (!isDesktop) {
-      final size = MediaQueryData.fromWindow(ui.window).size;
-      final canvasWidth = size.width;
-      final canvasHeight = size.height - _tabBarHeight;
-      final dw = getDisplayWidth() * _scale;
-      final dh = getDisplayHeight() * _scale;
-      var dxOffset = 0;
-      var dyOffset = 0;
-      if (dw > canvasWidth) {
-        dxOffset = (x - dw * (x / canvasWidth) - _x).toInt();
-      }
-      if (dh > canvasHeight) {
-        dyOffset = (y - dh * (y / canvasHeight) - _y).toInt();
-      }
-      _x += dxOffset;
-      _y += dyOffset;
-      if (dxOffset != 0 || dyOffset != 0) {
-        notifyListeners();
-      }
+    //if (!isDesktop) {
+    final dw = getDisplayWidth() * _scale;
+    final dh = getDisplayHeight() * _scale;
+    var dxOffset = 0;
+    var dyOffset = 0;
+    if (dw > size.width) {
+      dxOffset = (x - dw * (x / size.width) - _x).toInt();
     }
+    if (dh > size.height) {
+      dyOffset = (y - dh * (y / size.height) - _y).toInt();
+    }
+    _x += dxOffset;
+    _y += dyOffset;
+    if (dxOffset != 0 || dyOffset != 0) {
+      notifyListeners();
+    }
+    //}
     parent.target?.cursorModel.moveLocal(x, y);
   }
 
@@ -1091,8 +1124,24 @@ class FFI {
       canvasModel.moveDesktopMouse(x, y);
     }
     final d = ffiModel.display;
-    x -= canvasModel.x;
-    y -= canvasModel.y;
+    if (canvasModel.scrollStyle == ScrollStyle.scrollbar) {
+      final imageWidth = d.width * canvasModel.scale;
+      final imageHeight = d.height * canvasModel.scale;
+      x += imageWidth * canvasModel.scrollX;
+      y += imageHeight * canvasModel.scrollY;
+
+      // boxed size is a center widget
+      if (canvasModel.size.width > imageWidth) {
+        x -= ((canvasModel.size.width - imageWidth) / 2);
+      }
+      if (canvasModel.size.height > imageHeight) {
+        y -= ((canvasModel.size.height - imageHeight) / 2);
+      }
+    } else {
+      x -= canvasModel.x;
+      y -= canvasModel.y;
+    }
+
     if (!isMove && (x < 0 || x > d.width || y < 0 || y > d.height)) {
       return;
     }
diff --git a/flutter/pubspec.lock b/flutter/pubspec.lock
index e0a7aa8eb..fcefcca82 100644
--- a/flutter/pubspec.lock
+++ b/flutter/pubspec.lock
@@ -5,238 +5,238 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "44.0.0"
+    version: "46.0.0"
   after_layout:
     dependency: transitive
     description:
       name: after_layout
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "4.4.0"
+    version: "4.6.0"
   animations:
     dependency: transitive
     description:
       name: animations
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.3"
   archive:
     dependency: transitive
     description:
       name: archive
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.3.1"
   args:
     dependency: transitive
     description:
       name: args
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.3.1"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.8.2"
   back_button_interceptor:
     dependency: "direct main"
     description:
       name: back_button_interceptor
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.0.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   build:
     dependency: transitive
     description:
       name: build
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.3.0"
   build_config:
     dependency: transitive
     description:
       name: build_config
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.0"
   build_daemon:
     dependency: transitive
     description:
       name: build_daemon
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.0"
   build_resolvers:
     dependency: transitive
     description:
       name: build_resolvers
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.9"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.0"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "7.2.3"
   built_collection:
     dependency: transitive
     description:
       name: built_collection
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.1.1"
   built_value:
     dependency: transitive
     description:
       name: built_value
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "8.4.0"
   cached_network_image:
     dependency: transitive
     description:
       name: cached_network_image
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.2.1"
   cached_network_image_platform_interface:
     dependency: transitive
     description:
       name: cached_network_image_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.0"
   cached_network_image_web:
     dependency: transitive
     description:
       name: cached_network_image_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.1"
   checked_yaml:
     dependency: transitive
     description:
       name: checked_yaml
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.0"
   code_builder:
     dependency: transitive
     description:
       name: code_builder
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.2.0"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.16.0"
   contextmenu:
     dependency: "direct main"
     description:
       name: contextmenu
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.0"
   convert:
     dependency: transitive
     description:
       name: convert
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.2"
   cross_file:
     dependency: transitive
     description:
       name: cross_file
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.3.3+1"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.2"
   csslib:
     dependency: transitive
     description:
       name: csslib
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.17.2"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.5"
   dart_style:
     dependency: transitive
     description:
       name: dart_style
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.3"
   dash_chat_2:
     dependency: "direct main"
     description:
       name: dash_chat_2
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.0.12"
   desktop_multi_window:
@@ -252,133 +252,133 @@ packages:
     dependency: "direct main"
     description:
       name: device_info_plus
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "4.0.2"
+    version: "4.1.0"
   device_info_plus_linux:
     dependency: transitive
     description:
       name: device_info_plus_linux
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.1"
   device_info_plus_macos:
     dependency: transitive
     description:
       name: device_info_plus_macos
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.3"
   device_info_plus_platform_interface:
     dependency: transitive
     description:
       name: device_info_plus_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.4.0"
+    version: "2.6.0"
   device_info_plus_web:
     dependency: transitive
     description:
       name: device_info_plus_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   device_info_plus_windows:
     dependency: transitive
     description:
       name: device_info_plus_windows
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "3.0.2"
+    version: "3.0.3"
   draggable_float_widget:
     dependency: "direct main"
     description:
       name: draggable_float_widget
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.0.2"
   event_bus:
     dependency: transitive
     description:
       name: event_bus
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.0"
   external_path:
     dependency: "direct main"
     description:
       name: external_path
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.0"
   ffi:
     dependency: "direct main"
     description:
       name: ffi
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.1"
   file:
     dependency: transitive
     description:
       name: file
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.1.2"
   firebase_analytics:
     dependency: "direct main"
     description:
       name: firebase_analytics
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "9.3.0"
+    version: "9.3.1"
   firebase_analytics_platform_interface:
     dependency: transitive
     description:
       name: firebase_analytics_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "3.3.0"
+    version: "3.3.1"
   firebase_analytics_web:
     dependency: transitive
     description:
       name: firebase_analytics_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.2+1"
   firebase_core:
     dependency: transitive
     description:
       name: firebase_core
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.20.0"
+    version: "1.20.1"
   firebase_core_platform_interface:
     dependency: transitive
     description:
       name: firebase_core_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.5.0"
   firebase_core_web:
     dependency: transitive
     description:
       name: firebase_core_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.7.1"
   fixnum:
     dependency: transitive
     description:
       name: fixnum
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.1"
   flutter:
@@ -390,42 +390,42 @@ packages:
     dependency: transitive
     description:
       name: flutter_blurhash
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.7.0"
   flutter_breadcrumb:
     dependency: "direct main"
     description:
       name: flutter_breadcrumb
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.1"
   flutter_cache_manager:
     dependency: transitive
     description:
       name: flutter_cache_manager
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.3.0"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
       name: flutter_launcher_icons
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.9.3"
   flutter_parsed_text:
     dependency: transitive
     description:
       name: flutter_parsed_text
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.1"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.7"
   flutter_rust_bridge:
@@ -451,476 +451,476 @@ packages:
     dependency: "direct dev"
     description:
       name: freezed
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0+1"
   freezed_annotation:
     dependency: "direct main"
     description:
       name: freezed_annotation
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   frontend_server_client:
     dependency: transitive
     description:
       name: frontend_server_client
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.3"
   get:
     dependency: "direct main"
     description:
       name: get
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.6.5"
   glob:
     dependency: transitive
     description:
       name: glob
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   graphs:
     dependency: transitive
     description:
       name: graphs
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   html:
     dependency: transitive
     description:
       name: html
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.15.0"
   http:
     dependency: "direct main"
     description:
       name: http
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.13.5"
   http_multi_server:
     dependency: transitive
     description:
       name: http_multi_server
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.0.1"
   image:
     dependency: "direct main"
     description:
       name: image
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.2.0"
   image_picker:
     dependency: "direct main"
     description:
       name: image_picker
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.8.5+3"
   image_picker_android:
     dependency: transitive
     description:
       name: image_picker_android
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.8.5+2"
   image_picker_for_web:
     dependency: transitive
     description:
       name: image_picker_for_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.8"
   image_picker_ios:
     dependency: transitive
     description:
       name: image_picker_ios
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.8.5+6"
   image_picker_platform_interface:
     dependency: transitive
     description:
       name: image_picker_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.6.1"
   intl:
     dependency: transitive
     description:
       name: intl
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.17.0"
   io:
     dependency: transitive
     description:
       name: io
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.3"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.6.4"
   json_annotation:
     dependency: transitive
     description:
       name: json_annotation
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.6.0"
   logging:
     dependency: transitive
     description:
       name: logging
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.2"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.12.11"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.4"
   menu_base:
     dependency: transitive
     description:
       name: menu_base
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.7.0"
   mime:
     dependency: transitive
     description:
       name: mime
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.2"
   nested:
     dependency: transitive
     description:
       name: nested
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.0"
   octo_image:
     dependency: transitive
     description:
       name: octo_image
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.2"
   package_config:
     dependency: transitive
     description:
       name: package_config
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   package_info_plus:
     dependency: "direct main"
     description:
       name: package_info_plus
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.4.3"
+    version: "1.4.3+1"
   package_info_plus_linux:
     dependency: transitive
     description:
       name: package_info_plus_linux
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.5"
   package_info_plus_macos:
     dependency: transitive
     description:
       name: package_info_plus_macos
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.0"
   package_info_plus_platform_interface:
     dependency: transitive
     description:
       name: package_info_plus_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.2"
   package_info_plus_web:
     dependency: transitive
     description:
       name: package_info_plus_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.5"
   package_info_plus_windows:
     dependency: transitive
     description:
       name: package_info_plus_windows
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.1"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.11"
   path_provider_android:
     dependency: transitive
     description:
       name: path_provider_android
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.17"
+    version: "2.0.19"
   path_provider_ios:
     dependency: transitive
     description:
       name: path_provider_ios
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.11"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.7"
   path_provider_macos:
     dependency: transitive
     description:
       name: path_provider_macos
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.6"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.4"
   path_provider_windows:
     dependency: transitive
     description:
       name: path_provider_windows
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.2"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.11.1"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.0.0"
   platform:
     dependency: transitive
     description:
       name: platform
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.2"
   pool:
     dependency: transitive
     description:
       name: pool
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.5.1"
   process:
     dependency: transitive
     description:
       name: process
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.2.4"
   provider:
     dependency: "direct main"
     description:
       name: provider
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.0.3"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.1"
   pubspec_parse:
     dependency: transitive
     description:
       name: pubspec_parse
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.0"
   qr_code_scanner:
     dependency: "direct main"
     description:
       name: qr_code_scanner
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.0"
   quiver:
     dependency: transitive
     description:
       name: quiver
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.0"
   rxdart:
     dependency: transitive
     description:
       name: rxdart
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.27.5"
   screen_retriever:
     dependency: transitive
     description:
       name: screen_retriever
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.2"
   settings_ui:
     dependency: "direct main"
     description:
       name: settings_ui
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.2"
   shared_preferences:
     dependency: "direct main"
     description:
       name: shared_preferences
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.15"
   shared_preferences_android:
     dependency: transitive
     description:
       name: shared_preferences_android
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.12"
   shared_preferences_ios:
     dependency: transitive
     description:
       name: shared_preferences_ios
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.1"
   shared_preferences_linux:
     dependency: transitive
     description:
       name: shared_preferences_linux
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.1"
   shared_preferences_macos:
     dependency: transitive
     description:
       name: shared_preferences_macos
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.4"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
       name: shared_preferences_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.0"
   shared_preferences_web:
     dependency: transitive
     description:
       name: shared_preferences_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.4"
   shared_preferences_windows:
     dependency: transitive
     description:
       name: shared_preferences_windows
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.1"
   shelf:
     dependency: transitive
     description:
       name: shelf
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.2"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.2"
   shortid:
     dependency: transitive
     description:
       name: shortid
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.2"
   sky_engine:
@@ -932,280 +932,280 @@ packages:
     dependency: transitive
     description:
       name: source_gen
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.2"
   source_span:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.8.2"
   sqflite:
     dependency: transitive
     description:
       name: sqflite
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.3+1"
   sqflite_common:
     dependency: transitive
     description:
       name: sqflite_common
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.1+1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   stream_transform:
     dependency: transitive
     description:
       name: stream_transform
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.0"
   synchronized:
     dependency: transitive
     description:
       name: synchronized
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.0+2"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.4.9"
   timing:
     dependency: transitive
     description:
       name: timing
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.0"
   toggle_switch:
     dependency: "direct main"
     description:
       name: toggle_switch
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.4.0"
   tray_manager:
     dependency: "direct main"
     description:
       name: tray_manager
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.7"
   tuple:
     dependency: "direct main"
     description:
       name: tuple
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.1"
   url_launcher:
     dependency: "direct main"
     description:
       name: url_launcher
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.1.5"
   url_launcher_android:
     dependency: transitive
     description:
       name: url_launcher_android
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.0.17"
   url_launcher_ios:
     dependency: transitive
     description:
       name: url_launcher_ios
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.0.17"
   url_launcher_linux:
     dependency: transitive
     description:
       name: url_launcher_linux
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.1"
   url_launcher_macos:
     dependency: transitive
     description:
       name: url_launcher_macos
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.1"
   url_launcher_platform_interface:
     dependency: transitive
     description:
       name: url_launcher_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.0"
   url_launcher_web:
     dependency: transitive
     description:
       name: url_launcher_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.13"
   url_launcher_windows:
     dependency: transitive
     description:
       name: url_launcher_windows
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.1"
   uuid:
     dependency: transitive
     description:
       name: uuid
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.6"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.2"
   video_player:
     dependency: transitive
     description:
       name: video_player
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.4.6"
   video_player_android:
     dependency: transitive
     description:
       name: video_player_android
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.3.8"
   video_player_avfoundation:
     dependency: transitive
     description:
       name: video_player_avfoundation
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.3.5"
   video_player_platform_interface:
     dependency: transitive
     description:
       name: video_player_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.1.4"
   video_player_web:
     dependency: transitive
     description:
       name: video_player_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.12"
   visibility_detector:
     dependency: "direct main"
     description:
       name: visibility_detector
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.3.3"
   wakelock:
     dependency: "direct main"
     description:
       name: wakelock
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.5.6"
   wakelock_macos:
     dependency: transitive
     description:
       name: wakelock_macos
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.4.0"
   wakelock_platform_interface:
     dependency: transitive
     description:
       name: wakelock_platform_interface
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.3.0"
   wakelock_web:
     dependency: transitive
     description:
       name: wakelock_web
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.4.0"
   wakelock_windows:
     dependency: transitive
     description:
       name: wakelock_windows
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.2.0"
   watcher:
     dependency: transitive
     description:
       name: watcher
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.1"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.0"
   win32:
     dependency: transitive
     description:
       name: win32
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.7.0"
   window_manager:
@@ -1221,28 +1221,28 @@ packages:
     dependency: transitive
     description:
       name: xdg_directories
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.2.0+1"
   xml:
     dependency: transitive
     description:
       name: xml
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.1.0"
   yaml:
     dependency: transitive
     description:
       name: yaml
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.1"
   zxing2:
     dependency: "direct main"
     description:
       name: zxing2
-      url: "https://pub.dartlang.org"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.1.0"
 sdks:
diff --git a/src/lang/cn.rs b/src/lang/cn.rs
index df5cfdfd7..730c8be94 100644
--- a/src/lang/cn.rs
+++ b/src/lang/cn.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "原始比例"),
         ("Shrink", "收缩"),
         ("Stretch", "伸展"),
+        ("Scrollbar", "滚动条"),
+        ("ScrollAuto", "自动滚动"),
         ("Good image quality", "好画质"),
         ("Balanced", "一般画质"),
         ("Optimize reaction time", "优化反应时间"),
diff --git a/src/lang/cs.rs b/src/lang/cs.rs
index 86aada74f..f174850fc 100644
--- a/src/lang/cs.rs
+++ b/src/lang/cs.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Původní"),
         ("Shrink", "Oříznout"),
         ("Stretch", "Roztáhnout"),
+        ("Scrollbar", "Posuvník"),
+        ("ScrollAuto", "Rolovať Auto"),
         ("Good image quality", "Dobrá kvalita obrazu"),
         ("Balanced", "Vyvážené"),
         ("Optimize reaction time", "Optimalizovat pro co nejnižší prodlevu odezvy"),
diff --git a/src/lang/da.rs b/src/lang/da.rs
index 8f4861c2a..60ebeafbb 100644
--- a/src/lang/da.rs
+++ b/src/lang/da.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Original"),
         ("Shrink", "Krymp"),
         ("Stretch", "Strak"),
+        ("Scrollbar", "Rullebar"),
+        ("ScrollAuto", "Rul Auto"),
         ("Good image quality", "God billedkvalitet"),
         ("Balanced", "Afbalanceret"),
         ("Optimize reaction time", "Optimeret responstid"),
diff --git a/src/lang/de.rs b/src/lang/de.rs
index 6af6841b6..02c73d095 100644
--- a/src/lang/de.rs
+++ b/src/lang/de.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Original"),
         ("Shrink", "Verkleinern"),
         ("Stretch", "Strecken"),
+        ("Scrollbar", "Scrollleiste"),
+        ("ScrollAuto", "Automatisch scrollen"),
         ("Good image quality", "Schöner"),
         ("Balanced", "Ausgeglichen"),
         ("Optimize reaction time", "Schneller"),
diff --git a/src/lang/eo.rs b/src/lang/eo.rs
index 0c68bd569..3ce5c24f9 100644
--- a/src/lang/eo.rs
+++ b/src/lang/eo.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Originala rilatumo"),
         ("Shrink", "Ŝrumpi"),
         ("Stretch", "Streĉi"),
+        ("Scrollbar", "Rulumbreto"),
+        ("ScrollAuto", "Rulumu Aŭtomate"),
         ("Good image quality", "Bona bilda kvalito"),
         ("Balanced", "Normala bilda kvalito"),
         ("Optimize reaction time", "Optimigi reakcia tempo"),
diff --git a/src/lang/es.rs b/src/lang/es.rs
index 9eef5a5a8..2fa92bac8 100644
--- a/src/lang/es.rs
+++ b/src/lang/es.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Original"),
         ("Shrink", "Encogerse"),
         ("Stretch", "Estirar"),
+        ("Scrollbar", "Barra de desplazamiento"),
+        ("ScrollAuto", "Desplazamiento automático"),
         ("Good image quality", "Buena calidad de imagen"),
         ("Balanced", "Equilibrado"),
         ("Optimize reaction time", "Optimizar el tiempo de reacción"),
diff --git a/src/lang/fr.rs b/src/lang/fr.rs
index 51d079b03..4efc804e1 100644
--- a/src/lang/fr.rs
+++ b/src/lang/fr.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Ratio d'origine"),
         ("Shrink", "Rétrécir"),
         ("Stretch", "Étirer"),
+        ("Scrollbar", "Barre de défilement"),
+        ("ScrollAuto", "Défilement automatique"),
         ("Good image quality", "Bonne qualité d'image"),
         ("Balanced", "Qualité d'image normale"),
         ("Optimize reaction time", "Optimiser le temps de réaction"),
diff --git a/src/lang/hu.rs b/src/lang/hu.rs
index 5590e0ec9..fee1fc450 100644
--- a/src/lang/hu.rs
+++ b/src/lang/hu.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Eredeti"),
         ("Shrink", "Zsugorított"),
         ("Stretch", "Nyújtott"),
+        ("Scrollbar", "Görgetősáv"),
+        ("ScrollAuto", "Görgessen Auto"),
         ("Good image quality", "Jó képminőség"),
         ("Balanced", "Balanszolt"),
         ("Optimize reaction time", "Válaszidő optimializálása"),
diff --git a/src/lang/id.rs b/src/lang/id.rs
index ef1078175..b6d9dbd0d 100644
--- a/src/lang/id.rs
+++ b/src/lang/id.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Original"),
         ("Shrink", "Susutkan"),
         ("Stretch", "Regangkan"),
+        ("Scrollbar", "Scroll bar"),
+        ("ScrollAuto", "Gulir Otomatis"),
         ("Good image quality", "Kualitas Gambar Baik"),
         ("Balanced", "Seimbang"),
         ("Optimize reaction time", "Optimalkan waktu reaksi"),
diff --git a/src/lang/it.rs b/src/lang/it.rs
index 2834644eb..f4e2d0bce 100644
--- a/src/lang/it.rs
+++ b/src/lang/it.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Originale"),
         ("Shrink", "Restringi"),
         ("Stretch", "Allarga"),
+        ("Scrollbar", "Barra di scorrimento"),
+        ("ScrollAuto", "Scorri automaticamente"),
         ("Good image quality", "Buona qualità immagine"),
         ("Balanced", "Bilanciato"),
         ("Optimize reaction time", "Ottimizza il tempo di reazione"),
diff --git a/src/lang/ja.rs b/src/lang/ja.rs
index 5c6ba1da7..f4c991690 100644
--- a/src/lang/ja.rs
+++ b/src/lang/ja.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "オリジナル"),
         ("Shrink", "縮小"),
         ("Stretch", "伸縮"),
+        ("Scrollbar", "スクロール・バー"),
+        ("ScrollAuto", "自動スクロール"),
         ("Good image quality", "画質優先"),
         ("Balanced", "バランス"),
         ("Optimize reaction time", "速度優先"),
diff --git a/src/lang/pl.rs b/src/lang/pl.rs
index 8602d0647..81eaddfaf 100644
--- a/src/lang/pl.rs
+++ b/src/lang/pl.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Oryginał"),
         ("Shrink", "Zmniejsz"),
         ("Stretch", "Zwiększ"),
+        ("Scrollbar", "Pasek przewijania"),
+        ("ScrollAuto", "Przewijanie automatyczne"),
         ("Good image quality", "Dobra jakość obrazu"),
         ("Balanced", "Zrównoważony"),
         ("Optimize reaction time", "Zoptymalizuj czas reakcji"),
diff --git a/src/lang/ptbr.rs b/src/lang/ptbr.rs
index 75d3af784..8d1ffbbcf 100644
--- a/src/lang/ptbr.rs
+++ b/src/lang/ptbr.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Original"),
         ("Shrink", "Reduzir"),
         ("Stretch", "Aumentar"),
+        ("Scrollbar", "Barra de rolagem"),
+        ("ScrollAuto", "Rolagem automática"),
         ("Good image quality", "Qualidade visual boa"),
         ("Balanced", "Balanceada"),
         ("Optimize reaction time", "Otimizar tempo de reação"),
diff --git a/src/lang/ru.rs b/src/lang/ru.rs
index d44751cd8..ade2c7806 100644
--- a/src/lang/ru.rs
+++ b/src/lang/ru.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Оригинал"),
         ("Shrink", "Уменьшить"),
         ("Stretch", "Растянуть"),
+        ("Scrollbar", "Полоса прокрутки"),
+        ("ScrollAuto", "Прокрутка Авто"),
         ("Good image quality", "Хорошее качество изображения"),
         ("Balanced", "Сбалансированный"),
         ("Optimize reaction time", "Оптимизировать время реакции"),
diff --git a/src/lang/sk.rs b/src/lang/sk.rs
index f94db252b..a887cc34a 100644
--- a/src/lang/sk.rs
+++ b/src/lang/sk.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Pôvodný"),
         ("Shrink", "Zmenšené"),
         ("Stretch", "Roztiahnuté"),
+        ("Scrollbar", "Posuvník"),
+        ("ScrollAuto", "Rolovať Auto"),
         ("Good image quality", "Dobrá kvalita obrazu"),
         ("Balanced", "Vyvážené"),
         ("Optimize reaction time", "Optimalizované pre čas odozvy"),
diff --git a/src/lang/template.rs b/src/lang/template.rs
index ca64b2ac7..e0b64cdfa 100644
--- a/src/lang/template.rs
+++ b/src/lang/template.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", ""),
         ("Shrink", ""),
         ("Stretch", ""),
+        ("Scrollbar", ""),
+        ("ScrollAuto", ""),
         ("Good image quality", ""),
         ("Balanced", ""),
         ("Optimize reaction time", ""),
diff --git a/src/lang/tr.rs b/src/lang/tr.rs
index cff01dcc8..410d918eb 100644
--- a/src/lang/tr.rs
+++ b/src/lang/tr.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Orjinal"),
         ("Shrink", "Küçült"),
         ("Stretch", "Uzat"),
+        ("Scrollbar", "Kaydırma çubuğu"),
+        ("ScrollAuto", "Otomatik Kaydır"),
         ("Good image quality", "İyi görüntü kalitesi"),
         ("Balanced", "Dengelenmiş"),
         ("Optimize reaction time", "Tepki süresini optimize et"),
diff --git a/src/lang/tw.rs b/src/lang/tw.rs
index 79435a69c..5f0acdd06 100644
--- a/src/lang/tw.rs
+++ b/src/lang/tw.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "原始"),
         ("Shrink", "縮減"),
         ("Stretch", "延展"),
+        ("Scrollbar", "滾動條"),
+        ("ScrollAuto", "自動滾動"),
         ("Good image quality", "畫面品質良好"),
         ("Balanced", "平衡"),
         ("Optimize reaction time", "回應速度最佳化"),
diff --git a/src/lang/vn.rs b/src/lang/vn.rs
index 65ffcb61c..5704bf9ee 100644
--- a/src/lang/vn.rs
+++ b/src/lang/vn.rs
@@ -103,6 +103,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Original", "Gốc"),
         ("Shrink", "Thu nhỏ"),
         ("Stretch", "Kéo dãn"),
+        ("Scrollbar", "Thanh cuộn"),
+        ("ScrollAuto", "Tự động cuộn"),
         ("Good image quality", "Chất lượng hình ảnh tốt"),
         ("Balanced", "Cân bằng"),
         ("Optimize reaction time", "Thời gian phản ứng tối ưu"),