diff --git a/dust3d.pro b/dust3d.pro
index 4cd08568..060a12ee 100644
--- a/dust3d.pro
+++ b/dust3d.pro
@@ -4,10 +4,10 @@ DEFINES += NDEBUG
 RESOURCES += resources.qrc
 
 isEmpty(HUMAN_VERSION) {
-	HUMAN_VERSION = "1.0.0-beta.9"
+	HUMAN_VERSION = "1.0.0-beta.10"
 }
 isEmpty(VERSION) {
-	VERSION = 1.0.0.9
+	VERSION = 1.0.0.10
 }
 
 REPOSITORY_URL = "https://github.com/huxingyi/dust3d"
diff --git a/src/documentwindow.cpp b/src/documentwindow.cpp
index 0c31ce8c..245d8933 100644
--- a/src/documentwindow.cpp
+++ b/src/documentwindow.cpp
@@ -117,7 +117,7 @@ DocumentWindow::DocumentWindow() :
 
     QVBoxLayout *toolButtonLayout = new QVBoxLayout;
     toolButtonLayout->setSpacing(0);
-    toolButtonLayout->setContentsMargins(Theme::dp2px(5), Theme::dp2px(10), Theme::dp2px(4), 0);
+    toolButtonLayout->setContentsMargins(5, 10, 4, 0);
 
     QPushButton *addButton = new QPushButton(QChar(fa::plus));
     Theme::initAwesomeButton(addButton);
@@ -177,15 +177,15 @@ DocumentWindow::DocumentWindow() :
     toolButtonLayout->addWidget(dragButton);
     toolButtonLayout->addWidget(zoomInButton);
     toolButtonLayout->addWidget(zoomOutButton);
-    toolButtonLayout->addSpacing(Theme::dp2px(10));
+    toolButtonLayout->addSpacing(10);
     toolButtonLayout->addWidget(m_xlockButton);
     toolButtonLayout->addWidget(m_ylockButton);
     toolButtonLayout->addWidget(m_zlockButton);
     toolButtonLayout->addWidget(m_radiusLockButton);
-    toolButtonLayout->addSpacing(Theme::dp2px(10));
+    toolButtonLayout->addSpacing(10);
     toolButtonLayout->addWidget(rotateCounterclockwiseButton);
     toolButtonLayout->addWidget(rotateClockwiseButton);
-    toolButtonLayout->addSpacing(Theme::dp2px(10));
+    toolButtonLayout->addSpacing(10);
     toolButtonLayout->addWidget(regenerateButton);
     
 
@@ -204,7 +204,7 @@ DocumentWindow::DocumentWindow() :
     mainLeftLayout->addLayout(toolButtonLayout);
     mainLeftLayout->addStretch();
     mainLeftLayout->addLayout(logoLayout);
-    mainLeftLayout->addSpacing(Theme::dp2px(10));
+    mainLeftLayout->addSpacing(10);
 
     SkeletonGraphicsWidget *graphicsWidget = new SkeletonGraphicsWidget(m_document);
     m_graphicsWidget = graphicsWidget;
@@ -298,7 +298,7 @@ DocumentWindow::DocumentWindow() :
     mainLayout->setContentsMargins(0, 0, 0, 0);
     mainLayout->addLayout(mainLeftLayout);
     mainLayout->addWidget(containerWidget);
-    mainLayout->addSpacing(Theme::dp2px(3));
+    mainLayout->addSpacing(3);
 
     QWidget *centralWidget = new QWidget;
     centralWidget->setLayout(mainLayout);
diff --git a/src/floatnumberwidget.cpp b/src/floatnumberwidget.cpp
index c13fb35e..584ba761 100644
--- a/src/floatnumberwidget.cpp
+++ b/src/floatnumberwidget.cpp
@@ -9,7 +9,7 @@ FloatNumberWidget::FloatNumberWidget(QWidget *parent, bool singleLine) :
 {
     m_slider = new QSlider(Qt::Horizontal, this);
     m_slider->setRange(0, 100);
-    m_slider->setFixedWidth(Theme::dp2px(120));
+    m_slider->setFixedWidth(120);
 
     m_label = new QLabel(this);
     m_label->setAlignment(Qt::AlignLeft);
diff --git a/src/theme.cpp b/src/theme.cpp
index dd2526ba..65a29a50 100644
--- a/src/theme.cpp
+++ b/src/theme.cpp
@@ -1,7 +1,7 @@
 #include <QApplication>
 #include <QGuiApplication>
 #include <QDebug>
-#include <QScreen>
+#include <QFontMetrics>
 #include "theme.h"
 
 // Red
@@ -43,30 +43,20 @@ int Theme::posePreviewImageSize = 0;
 int Theme::motionPreviewImageSize = 0;
 int Theme::sidebarPreferredWidth = 0;
 int Theme::normalButtonSize = 0;
-double Theme::dpi = 0;
-
-float Theme::dp2px(float dp)
-{
-    return dp / 72 * Theme::dpi;
-}
 
 void Theme::initAwsomeBaseSizes()
 {
-    Theme::dpi = QGuiApplication::primaryScreen()->physicalDotsPerInch();
-    
-    Theme::toolIconFontSize = QApplication::font().pixelSize();
-    if (-1 == Theme::toolIconFontSize) {
-        Theme::toolIconFontSize = Theme::dp2px(QApplication::font().pointSize());
-    }
+    QFontMetrics fontMetrics(QApplication::font());
+    Theme::toolIconFontSize = fontMetrics.height();
     
     Theme::toolIconSize = (int)(Theme::toolIconFontSize * 1.5);
     Theme::miniIconFontSize = (int)(Theme::toolIconFontSize * 0.64);
     Theme::miniIconSize = (int)(Theme::miniIconFontSize * 1.67);
     Theme::partPreviewImageSize = (Theme::miniIconSize * 3);
-    Theme::materialPreviewImageSize = Theme::dp2px(62);
-    Theme::posePreviewImageSize = Theme::dp2px(62);
-    Theme::motionPreviewImageSize = Theme::dp2px(62);
-    Theme::sidebarPreferredWidth = Theme::dp2px(150);
+    Theme::materialPreviewImageSize = 75;
+    Theme::posePreviewImageSize = 75;
+    Theme::motionPreviewImageSize = 75;
+    Theme::sidebarPreferredWidth = 200;
     Theme::normalButtonSize = Theme::toolIconSize * 2;
     
     qDebug() << "Theme::toolIconFontSize:" << Theme::toolIconFontSize;
diff --git a/src/theme.h b/src/theme.h
index 8991cc31..b8a32433 100644
--- a/src/theme.h
+++ b/src/theme.h
@@ -42,7 +42,6 @@ public:
     static int miniIconSize;
     static int sidebarPreferredWidth;
     static int normalButtonSize;
-    static double dpi;
 public:
     static void initAwesomeButton(QPushButton *button);
     static void initAwesomeLabel(QLabel *label);
@@ -52,7 +51,6 @@ public:
     static void initAwesomeToolButton(QPushButton *button);
     static void initAwesomeToolButtonWithoutFont(QPushButton *button);
     static void initAwsomeBaseSizes();
-    static float dp2px(float dp);
 };
 
 #endif