diff --git a/src/windows/menu-main-window.cpp b/src/windows/menu-main-window.cpp
index 872e369..53837ce 100644
--- a/src/windows/menu-main-window.cpp
+++ b/src/windows/menu-main-window.cpp
@@ -277,10 +277,17 @@ void MenuWindow::initPanelSetting()
             m_panelPos = m_setting->get(UKUI_PANEL_POSITION_KEY).toInt();
         }
 
+        if (keys.contains(UKUI_PANEL_SIZE_KEY)) {
+            m_panelSize = m_setting->get(UKUI_PANEL_SIZE_KEY).toInt();
+        }
+
         connect(m_setting, &QGSettings::changed, this, [this] (const QString& key) {
             if (key == UKUI_PANEL_POSITION_KEY) {
                 m_panelPos = m_setting->get(UKUI_PANEL_POSITION_KEY).toInt();
                 updateGeometry();
+            } else if (key == UKUI_PANEL_SIZE_KEY) {
+                m_panelSize = m_setting->get(key).toInt();
+                updateGeometry();
             }
         });
     }
@@ -410,7 +417,9 @@ void MenuWindow::updateCurrentScreenGeometry()
         setScreen(QGuiApplication::primaryScreen());
     }
 
-    QRect normalMaskRect, fullRect = screen()->availableGeometry();
+    // qt的可用区域有问题，暂时使用任务栏尺寸计算
+    //QRect normalMaskRect, fullRect = screen()->availableGeometry();
+    QRect normalMaskRect, fullRect = screen()->geometry();
     int width = MenuSetting::instance()->get(MENU_WIDTH).toInt();
     int height = MenuSetting::instance()->get(MENU_HEIGHT).toInt();
     int margin = MenuSetting::instance()->get(MENU_MARGIN).toInt();
@@ -419,22 +428,30 @@ void MenuWindow::updateCurrentScreenGeometry()
     switch (m_panelPos) {
         default:
         case 0: {
+            fullRect.adjust(0, 0, 0, -m_panelSize);
+
             QSize normalSize(qMin<int>(fullRect.width() - margin*2, width), qMin<int>(fullRect.height() - margin*2, height));
             normalMaskRect.setTopLeft({margin, fullRect.height() - normalSize.height() - margin});
             normalMaskRect.setSize(normalSize);
             break;
         }
         case 1: {
+            fullRect.adjust(0, m_panelSize, 0, 0);
+
             normalMaskRect.setTopLeft({margin, margin});
             normalMaskRect.setSize({qMin<int>(fullRect.width() - margin*2, width), qMin<int>(fullRect.height() - margin*2, height)});
             break;
         }
         case 2: {
+            fullRect.adjust(m_panelSize, 0, 0, 0);
+
             normalMaskRect.setTopLeft({margin, margin});
             normalMaskRect.setSize({qMin<int>(fullRect.width() - margin*2, width), qMin<int>(fullRect.height() - margin*2, height)});
             break;
         }
         case 3: {
+            fullRect.adjust(0, 0, -m_panelSize, 0);
+
             QSize normalSize(qMin<int>(fullRect.width() - margin*2, width), qMin<int>(fullRect.height() - margin*2, height));
             normalMaskRect.setTopLeft({fullRect.width() - normalSize.width() - margin, margin});
             normalMaskRect.setSize(normalSize);
diff --git a/src/windows/menu-main-window.h b/src/windows/menu-main-window.h
index 8844d5e..38fe984 100644
--- a/src/windows/menu-main-window.h
+++ b/src/windows/menu-main-window.h
@@ -128,6 +128,7 @@ private:
 private:
     // 任务栏位置与屏幕：上: 1, 下: 0, 左: 2, 右: 3, 如果为其他值，则说明任务栏不存在
     int m_panelPos{4};
+    int m_panelSize{48};
     bool m_editMode {false};
     bool m_isFullScreen{false};
     QRect m_maskGeometry = QRect(0,0,0,0);