diff --git a/src/scene/ui/BackGroundWidget.cpp b/src/scene/ui/BackGroundWidget.cpp
index efd56fa3..450a51b2 100644
--- a/src/scene/ui/BackGroundWidget.cpp
+++ b/src/scene/ui/BackGroundWidget.cpp
@@ -6,6 +6,7 @@
 #include <osgWidget/ViewerEventHandlers>
 
 #include "utils/ImageUtils.h"
+#include "common/SpdLogger.h"
 
 BackGroundWidget::BackGroundWidget(const std::string& name,
     float w,
@@ -15,7 +16,8 @@ BackGroundWidget::BackGroundWidget(const std::string& name,
 {
 	//osg::Image *image = ImageUtils::readImage(fileName);
 
-	setImage(fileName, true, true);
+	LOG_INFO("setimage, {}", fileName);
+	setImage(fileName, true);
 
 	setTexCoord(0.0f, 0.0f, osgWidget::Widget::LOWER_LEFT);
 	setTexCoord(1.0f, 0.0f, osgWidget::Widget::LOWER_RIGHT);
diff --git a/src/scene/ui/CompositeWidget.cpp b/src/scene/ui/CompositeWidget.cpp
index 13461f56..081f5ab9 100644
--- a/src/scene/ui/CompositeWidget.cpp
+++ b/src/scene/ui/CompositeWidget.cpp
@@ -2,6 +2,7 @@
 
 #include "utils/ImageUtils.h"
 #include "CompositeWidgetManager.h"
+#include "common/SpdLogger.h"
 
 
 CompositeWidget::CompositeWidget(std::string name,
@@ -13,7 +14,7 @@ CompositeWidget::CompositeWidget(std::string name,
 	CompositeWidgetManager *wm) :osgWidget::Widget(name, w, h)
 {
 	//osg::Image *image = ImageUtils::readImage(fileName);
-	
+	LOG_INFO("setimage, {}", fileName);
 	setImage(fileName, true, true);
 
 	setTexCoord(0.0f, 0.0f, osgWidget::Widget::LOWER_LEFT);
diff --git a/src/scene/ui/ZoomWidget.cpp b/src/scene/ui/ZoomWidget.cpp
index 0dee7f36..0b8cbb27 100644
--- a/src/scene/ui/ZoomWidget.cpp
+++ b/src/scene/ui/ZoomWidget.cpp
@@ -2,6 +2,7 @@
 
 #include "ZoomWidget.h"
 #include "utils/ImageUtils.h"
+#include "common/SpdLogger.h"
 
 ZoomWidget::ZoomWidget(std::string	name, 
 	float		w,			
@@ -13,14 +14,15 @@ ZoomWidget::ZoomWidget(std::string	name,
 	:osgWidget::Widget(name, w, h)
 {
 	//osg::Image *image = ImageUtils::readImage(fileName);
-	setImage(fileName, true, true);
+	LOG_INFO("setimage, {}", fileName);
+	setImage(fileName, true);
 	setTexCoord(0.0f, 0.0f, osgWidget::Widget::LOWER_LEFT);
 	setTexCoord(1.0f, 0.0f, osgWidget::Widget::LOWER_RIGHT);
 	setTexCoord(1.0f, 1.0f, osgWidget::Widget::UPPER_RIGHT);
 	setTexCoord(0.0f, 1.0f, osgWidget::Widget::UPPER_LEFT);
 	setLayer(layer);
 	setEventMask(osgWidget::EVENT_MOUSE_PUSH | osgWidget::EVENT_MOUSE_RELEASE | osgWidget::EVENT_MOUSE_DRAG);
-	setColor(1, 1, 1, 0);
+	setColor(1, 1, 1, 1);
 
 
 	_pointX = _pointY = 0.0;
diff --git a/src/viewer/GraphicsWindowEx.h b/src/viewer/GraphicsWindowEx.h
index 7e97c84c..268b2c7c 100644
--- a/src/viewer/GraphicsWindowEx.h
+++ b/src/viewer/GraphicsWindowEx.h
@@ -6,7 +6,7 @@
 /// Needed for mixing osg rendering with Qt 2D drawing using QPainter...
 /// See http://forum.openscenegraph.org/viewtopic.php?t=15627&view=previous
 
-class GraphicsWindowEx : public osgViewer::GraphicsWindow
+class GraphicsWindowEx : public osgViewer::GraphicsWindowEmbedded
 {
 public:
     GraphicsWindowEx(osg::GraphicsContext::Traits* traits);
diff --git a/src/viewer/OsgViewer.cpp b/src/viewer/OsgViewer.cpp
index 165c0656..72227684 100644
--- a/src/viewer/OsgViewer.cpp
+++ b/src/viewer/OsgViewer.cpp
@@ -5,6 +5,7 @@
 #include <QApplication>
 #include <osg/BlendFunc>
 #include <osgEarth/GLUtils>
+#include <osgDB/Registry>
 
 #include "common/SpdLogger.h"
 #include "viewer/OsgView.h"
@@ -20,7 +21,9 @@ OsgViewer::OsgViewer(QObject* parent) noexcept
     , compositeViewer_(new osgViewer::CompositeViewer) {
     LOG_INFO("actor, self={}", fmt::ptr(this));
     compositeViewer_->setKeyEventSetsDone(0);
+    compositeViewer_->getDatabasePager()->setUnrefImageDataAfterApplyPolicy(true, false);
     osgEarth::initialize();
+    osgDB::Registry::instance()->getObjectWrapperManager()->findWrapper("osg::Image");
     compositeViewer_->setThreadingModel(osgViewer::ViewerBase::ThreadingModel::SingleThreaded);
 
 }