diff --git a/plugins/sound/soundwidget.cpp b/plugins/sound/soundwidget.cpp
index df3f6f0ae..65ddfe9bf 100644
--- a/plugins/sound/soundwidget.cpp
+++ b/plugins/sound/soundwidget.cpp
@@ -71,6 +71,8 @@ void SoundWidget::initUi()
     QPixmap rightPixmap = ImageUtil::loadSvg(rightIcon(), QSize(ICON_SIZE, ICON_SIZE));
     m_sliderContainer->setIcon(SliderContainer::IconPosition::LeftIcon, leftPixmap, QSize(), 12);
     m_sliderContainer->setIcon(SliderContainer::IconPosition::RightIcon, rightPixmap, QSize(BACKSIZE, BACKSIZE), 12);
+    m_sliderContainer->setRange(0, 100);
+    m_sliderContainer->setPageStep(2);
 
     SliderProxyStyle *proxy = new SliderProxyStyle;
     m_sliderContainer->setSliderProxyStyle(proxy);
@@ -80,14 +82,14 @@ void SoundWidget::initUi()
 
 void SoundWidget::initConnection()
 {
-    connect(m_defaultSink, &DBusSink::VolumeChanged, this, [ this ](double value) { m_sliderContainer->updateSliderValue(value * 100); });
+    connect(m_defaultSink, &DBusSink::VolumeChanged, this, [ this ](double value) {m_sliderContainer->updateSliderValue(std::round(value * 100.00));});
 
     connect(m_dbusAudio, &DBusAudio::DefaultSinkChanged, this, [ this ](const QDBusObjectPath &value) {
         if (m_defaultSink)
             delete m_defaultSink;
 
         m_defaultSink = new DBusSink("org.deepin.daemon.Audio1", value.path(), QDBusConnection::sessionBus(), this);
-        m_sliderContainer->updateSliderValue(m_defaultSink->volume() * 100);
+        m_sliderContainer->updateSliderValue(std::round(m_defaultSink->volume() * 100.00));
         connect(m_defaultSink, &DBusSink::VolumeChanged, m_sliderContainer, &SliderContainer::updateSliderValue);
     });
 
diff --git a/widgets/slidercontainer.cpp b/widgets/slidercontainer.cpp
index 6ce0a95f2..fc6ef72c3 100644
--- a/widgets/slidercontainer.cpp
+++ b/widgets/slidercontainer.cpp
@@ -181,6 +181,16 @@ void SliderContainer::setIcon(const SliderContainer::IconPosition &iconPosition,
     }
 }
 
+void SliderContainer::setPageStep(int step)
+{
+    return m_slider->setPageStep(step);
+}
+
+void SliderContainer::setRange(int min, int max)
+{
+    return m_slider->setRange(min, max);
+}
+
 bool SliderContainer::eventFilter(QObject *watched, QEvent *event)
 {
     if (event->type() == QEvent::MouseButtonRelease) {
diff --git a/widgets/slidercontainer.h b/widgets/slidercontainer.h
index f2f8d76b7..320ae035a 100644
--- a/widgets/slidercontainer.h
+++ b/widgets/slidercontainer.h
@@ -55,6 +55,9 @@ public:
     void setIcon(const IconPosition &iconPosition, const QIcon &icon);
     void setIcon(const IconPosition &iconPosition, const QPixmap &icon, const QSize &shadowSize, int space);
 
+    void setPageStep(int step);
+    void setRange(int min, int max);
+
 Q_SIGNALS:
     void iconClicked(const IconPosition &);
     void sliderValueChanged(int value);