diff --git a/styleplugins/chameleon/chameleonstyle.cpp b/styleplugins/chameleon/chameleonstyle.cpp
index c4bee5ce..e70e350e 100644
--- a/styleplugins/chameleon/chameleonstyle.cpp
+++ b/styleplugins/chameleon/chameleonstyle.cpp
@@ -864,41 +864,50 @@ void ChameleonStyle::drawControl(QStyle::ControlElement element, const QStyleOpt
                 scrollBarRectCenter.setX((scrollBar->rect.x() + scrollBar->rect.width()) / 2);
                 scrollBarRectCenter.setY(scrollBar->rect.y() + scrollBar->rect.height() / 2);
                 rect.moveCenter(scrollBarRectCenter);
-                rect.moveRight(scrollBar->rect.right() - 2);
+                rect.moveRight(scrollBar->rect.right() - 1);
             }
 
             QColor lineColor(opt->palette.color(QPalette::Base));
             if (DGuiApplicationHelper::toColorType(lineColor) == DGuiApplicationHelper::LightType) {
+                // 外侧拓展一个像素的outside border
+                p->setPen(QPen(QColor(255, 255, 255, 0.1 * 255), Metrics::Painter_PenWidth));
+                p->setBrush(Qt::NoBrush);
+                p->drawRoundedRect(rect.adjusted(-1, -1, 1, 1),
+                                   realRadius, realRadius);
                 // 内侧绘制一个像素的inside border
-                p->setPen(QPen(QColor(0, 0, 0, 0.05 * 255), Metrics::Painter_PenWidth));
+                p->setPen(QPen(QColor(0, 0, 0, 0.1 * 255), Metrics::Painter_PenWidth));
+                p->drawRoundedRect(rect.adjusted(1, 1, -1, -1),
+                                   realRadius, realRadius);
                 // normal状态
-                p->setBrush(QColor(0, 0, 0, 0.3 * 255));
+                p->setBrush(QColor(0, 0, 0, 0.5 * 255));
 
                 if (scrollBar->state & QStyle::State_MouseOver)
                     // hover 状态
-                    p->setBrush(QColor(0, 0, 0, 0.6 * 255));
+                    p->setBrush(QColor(0, 0, 0, 0.7 * 255));
                 if (scrollBar->state & QStyle::State_Sunken)
                     // active状态
-                    p->setBrush(QColor(0, 0, 0, 0.5 * 255));
+                    p->setBrush(QColor(0, 0, 0, 0.6 * 255));
             } else {
                 // 外侧拓展一个像素的outside border
-                p->setPen(QPen(QColor(0, 0, 0, 0.2 * 255), Metrics::Painter_PenWidth));
+                p->setPen(QPen(QColor(0, 0, 0, 0.1 * 255), Metrics::Painter_PenWidth));
                 p->setBrush(Qt::NoBrush);
                 p->drawRoundedRect(rect.adjusted(-1, -1, 1, 1),
                                    realRadius, realRadius);
                 // 内侧绘制一个像素的inside border
-                p->setPen(QPen(QColor(255, 255, 255, 0.05 * 255), Metrics::Painter_PenWidth));
+                p->setPen(QPen(QColor(255, 255, 255, 0.1 * 255), Metrics::Painter_PenWidth));
+                p->drawRoundedRect(rect.adjusted(1, 1, -1, -1),
+                                   realRadius, realRadius);
                 // normal状态
-                p->setBrush(QColor(96, 96, 96, 0.7 * 255));
+                p->setBrush(QColor(255, 255, 255, 0.2 * 255));
 
                 if (scrollBar->state & QStyle::State_MouseOver)
                     // hover 状态
-                    p->setBrush(QColor(96, 96, 96, 0.8 * 255));
+                    p->setBrush(QColor(255, 255, 255, 0.5 * 255));
                 if (scrollBar->state & QStyle::State_Sunken)
                     // active状态
-                    p->setBrush(QColor(112, 112, 112, 0.8 * 255));
+                    p->setBrush(QColor(255, 255, 255, 0.4 * 255));
             }
-
+            p->setPen(Qt::NoPen);
             p->drawRoundedRect(rect, realRadius, realRadius);
             p->restore();
         }