diff --git a/src/globalthemefeature.cpp b/src/globalthemefeature.cpp
index c47321b..6d74095 100644
--- a/src/globalthemefeature.cpp
+++ b/src/globalthemefeature.cpp
@@ -47,15 +47,7 @@ void GlobalImageWidget::updateButtonColor(const QColor& color) {
 
 void GlobalImageWidget::updateWidgetBackgroundColor(const QColor& color)
 {
-    if (!m_showwidget) {
-                qDebug() << "m_showwidget is null";
-            return;
-    } else {
-        QPalette palette = m_showwidget->palette();
-        palette.setColor(QPalette::Background, color);
-        m_showwidget->setAutoFillBackground(true);
-        m_showwidget->setPalette(palette);
-    }
+    m_showwidget->setBackgroundColor(color);
 
 }
 
@@ -85,6 +77,14 @@ void GlobalImageWidget::updateOverlayImage(const QString& overlayImagePath) {
     }
 }
 
+void GlobalImageWidget::updatescale()
+{
+    graphicsView->resetTransform();
+    QPointF centerPoint(1500, 600);
+    graphicsView->centerOn(centerPoint);
+    graphicsView->scale(1, 1);
+}
+
 GlobalImageWidget::GlobalImageWidget(QWidget *parent, const QString& coverFilePath)
     : QWidget(parent), m_coverFilePath(coverFilePath) {
 
@@ -165,6 +165,8 @@ Globalthemefeature::Globalthemefeature(QWidget *parent, const QString& coverFile
 RoundedWidget::RoundedWidget(QWidget *parent)
     : QWidget(parent), m_radius(0)
 {
+    setAttribute(Qt::WA_TranslucentBackground);
+    setRadius(6);
 }
 
 void RoundedWidget::setRadius(int radius)
@@ -172,18 +174,30 @@ void RoundedWidget::setRadius(int radius)
     m_radius = radius;
 }
 
+void RoundedWidget::setBackgroundColor(const QColor &color)
+{
+    backgroundColor = color;
+    update();
+}
+
 void RoundedWidget::paintEvent(QPaintEvent *event)
 {
-    Q_UNUSED(event)
 
     QPainter painter(this);
-    painter.setRenderHint(QPainter::Antialiasing);
-    painter.setPen(Qt::black);
-    painter.setBrush(Qt::NoBrush); // 设置填充为无色
+    painter.setRenderHint(QPainter::Antialiasing, true);  // 开启抗锯齿
 
-    const QRectF rect = contentsRect().adjusted(1, 1, -1, -1);
-    QPainterPath path;
-    path.addRoundedRect(rect, m_radius, m_radius);
+    QRectF rect = contentsRect().adjusted(borderWidth, borderWidth, -borderWidth, -borderWidth);
+    int r = std::min(rect.width(), rect.height()) / 2;  // 计算圆角半径
+    int actualRadius = std::min(m_radius, r);             // 取实际圆角半径和计算半径的较小值
+
+    // 绘制背景
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(backgroundColor);
+    painter.drawRoundedRect(rect, actualRadius, actualRadius);
+
+    // 绘制边框
+//    painter.setPen(QPen(borderColor, borderWidth));
+//    painter.setBrush(Qt::NoBrush);
+//    painter.drawRoundedRect(rect, actualRadius, actualRadius);
 
-    painter.drawPath(path);
 }
diff --git a/src/globalthemefeature.h b/src/globalthemefeature.h
index 16e5d5d..d4cce84 100644
--- a/src/globalthemefeature.h
+++ b/src/globalthemefeature.h
@@ -22,12 +22,16 @@ public:
     RoundedWidget(QWidget *parent = nullptr);
 
     void setRadius(int radius);
+    void setBackgroundColor(const QColor& color);
 
 protected:
     void paintEvent(QPaintEvent *event) override;
 
 private:
     int m_radius;
+    QColor backgroundColor = Qt::white;    // 背景颜色
+    QColor borderColor = Qt::white;        // 边框颜色
+    int borderWidth = 1;                    // 边框宽度
 };
 
 class CustomGraphicsView : public QGraphicsView {
@@ -46,6 +50,7 @@ public:
     void updateWidgetBackgroundColor(const QColor& color);
     void update(const QString& coverFilePath);
     void updateOverlayImage(const QString& overlayImagePath);
+    void updatescale();
 private:
     CustomGraphicsView* graphicsView;
     QString m_coverFilePath;
diff --git a/src/globalthemewidget.cpp b/src/globalthemewidget.cpp
index 49505f7..b14ede6 100644
--- a/src/globalthemewidget.cpp
+++ b/src/globalthemewidget.cpp
@@ -169,11 +169,13 @@ void GlobalThemeWidget::initExteriorWidget()
 
             m_preview->updateWidgetBackgroundColor(selectedColor);
             m_preview->updateOverlayImage(":/resource/background/panel-light.png");
+            m_preview->updatescale();
         }else if(index == 1){
             QColor selectedColor = combobox->itemData(index).value<QColor>();
 
             m_preview->updateWidgetBackgroundColor(selectedColor);
             m_preview->updateOverlayImage(":/resource/background/panel-dark.png");
+            m_preview->updatescale();
         }
 
     });
@@ -211,6 +213,7 @@ void GlobalThemeWidget::initFilletWidget()
 
     QObject::connect(filletslider, &QSlider::valueChanged, [=](int value) {
         showButton->setText(QString::number(value)+"px");
+        m_preview->updatescale();
         m_preview->updateWidgetRadius(value);
 
     });
@@ -248,6 +251,7 @@ void GlobalThemeWidget::AccentColorWidget()
         qDebug() << "Selected color:" << selectedColor;
 
         qDebug() << "RGB values:" << selectedColor.red() << selectedColor.green() << selectedColor.blue();
+        m_preview->updatescale();
         m_preview->updateButtonColor(selectedColor);
     });
 
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 81e8994..458671a 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -35,9 +35,6 @@ class MainWindow : public QMainWindow
 public:
     MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
-//    void mousePressEvent(QMouseEvent *event);
-//    void mouseMoveEvent(QMouseEvent *event);
-//    void mouseReleaseEvent(QMouseEvent *event);
 
     void mousePressEvent(QMouseEvent *event);
     void mouseMoveEvent(QMouseEvent * event);