diff --git a/src/logbrowser.cpp b/src/logbrowser.cpp
index c42efc84..7fdeb7d8 100644
--- a/src/logbrowser.cpp
+++ b/src/logbrowser.cpp
@@ -8,7 +8,7 @@ LogBrowser::LogBrowser(QObject *parent) :
 {
     qRegisterMetaType<QtMsgType>("QtMsgType");
     m_browserDialog = new LogBrowserDialog;
-    connect(this, SIGNAL(sendMessage(QtMsgType,QString)), m_browserDialog, SLOT(outputMessage(QtMsgType,QString)), Qt::QueuedConnection);
+    connect(this, &LogBrowser::sendMessage, m_browserDialog, &LogBrowserDialog::outputMessage, Qt::QueuedConnection);
 }
 
 LogBrowser::~LogBrowser()
@@ -33,8 +33,8 @@ bool LogBrowser::isDialogVisible()
     return m_browserDialog->isVisible();
 }
 
-void LogBrowser::outputMessage(QtMsgType type, const QString &msg)
+void LogBrowser::outputMessage(QtMsgType type, const QString &msg, const QString &source, int line)
 {
     printf("%s\n", msg.toUtf8().constData());
-    emit sendMessage( type, msg );
+    emit sendMessage(type, msg, source, line);
 }
diff --git a/src/logbrowser.h b/src/logbrowser.h
index 407a152e..f408572c 100644
--- a/src/logbrowser.h
+++ b/src/logbrowser.h
@@ -13,13 +13,13 @@ public:
     ~LogBrowser();
 
 public slots:
-    void outputMessage(QtMsgType type, const QString &msg);
+    void outputMessage(QtMsgType type, const QString &msg, const QString &source, int line);
     void showDialog();
     void hideDialog();
     bool isDialogVisible();
 
 signals:
-    void sendMessage(QtMsgType type, const QString &msg);
+    void sendMessage(QtMsgType type, const QString &msg, const QString &source, int line);
 
 private:
     LogBrowserDialog *m_browserDialog;
diff --git a/src/logbrowserdialog.cpp b/src/logbrowserdialog.cpp
index a0911321..221e2bc0 100644
--- a/src/logbrowserdialog.cpp
+++ b/src/logbrowserdialog.cpp
@@ -49,27 +49,27 @@ LogBrowserDialog::~LogBrowserDialog()
 }
 
 
-void LogBrowserDialog::outputMessage(QtMsgType type, const QString &msg)
+void LogBrowserDialog::outputMessage(QtMsgType type, const QString &msg, const QString &source, int line)
 {
     switch (type) {
     case QtDebugMsg:
-        m_browser->append(tr("— DEBUG: %1").arg(msg));
+        m_browser->append(tr("— DEBUG: %1 - %2:%3").arg(msg).arg(source).arg(QString::number(line)));
         break;
 
     case QtWarningMsg:
-        m_browser->append(tr("— WARNING: %1").arg(msg));
+        m_browser->append(tr("— WARNING: %1 - %2:%3").arg(msg).arg(source).arg(QString::number(line)));
         break;
 
     case QtCriticalMsg:
-        m_browser->append(tr("— CRITICAL: %1").arg(msg));
+        m_browser->append(tr("— CRITICAL: %1 - %2:%3").arg(msg).arg(source).arg(QString::number(line)));
         break;
 
     case QtInfoMsg:
-        m_browser->append(tr("— INFO: %1").arg(msg));
+        m_browser->append(tr("— INFO: %1 - %2:%3").arg(msg).arg(source).arg(QString::number(line)));
         break;
 
     case QtFatalMsg:
-        m_browser->append(tr("— FATAL: %1").arg(msg));
+        m_browser->append(tr("— FATAL: %1 - %2:%3").arg(msg).arg(source).arg(QString::number(line)));
         break;
     }
 }
diff --git a/src/logbrowserdialog.h b/src/logbrowserdialog.h
index 0d0e6ccb..14451809 100644
--- a/src/logbrowserdialog.h
+++ b/src/logbrowserdialog.h
@@ -14,7 +14,7 @@ public:
     ~LogBrowserDialog();
 
 public slots:
-    void outputMessage(QtMsgType type, const QString &msg);
+    void outputMessage(QtMsgType type, const QString &msg, const QString &source, int line);
 
 protected slots:
     void save();
@@ -28,4 +28,4 @@ protected:
     QPushButton *m_saveButton;
 };
 
-#endif // DIALOG_H
\ No newline at end of file
+#endif // DIALOG_H
diff --git a/src/modelmeshbinder.cpp b/src/modelmeshbinder.cpp
index d164c8cd..9cc3633b 100644
--- a/src/modelmeshbinder.cpp
+++ b/src/modelmeshbinder.cpp
@@ -199,6 +199,8 @@ void ModelMeshBinder::cleanup()
         m_vboTriangle.destroy();
     if (m_vboEdge.isCreated())
         m_vboEdge.destroy();
+    delete m_texture;
+    m_texture = nullptr;
 }
 
 void ModelMeshBinder::showWireframes()
diff --git a/src/skeletondocument.cpp b/src/skeletondocument.cpp
index 46bca9fb..1d11c1d5 100644
--- a/src/skeletondocument.cpp
+++ b/src/skeletondocument.cpp
@@ -687,6 +687,10 @@ void SkeletonDocument::addFromSnapshot(const SkeletonSnapshot &snapshot)
         originZ = originZit->second.toFloat();
     }
     
+    std::set<QUuid> newAddedNodeIds;
+    std::set<QUuid> newAddedEdgeIds;
+    std::set<QUuid> newAddedPartIds;
+    
     std::map<QUuid, QUuid> oldNewIdMap;
     for (const auto &partKv : snapshot.parts) {
         SkeletonPart part;
@@ -711,6 +715,7 @@ void SkeletonDocument::addFromSnapshot(const SkeletonSnapshot &snapshot)
         if (deformWidthIt != partKv.second.end())
             part.setDeformWidth(deformWidthIt->second.toFloat());
         partMap[part.id] = part;
+        newAddedPartIds.insert(part.id);
     }
     for (const auto &nodeKv : snapshot.nodes) {
         if (nodeKv.second.find("radius") == nodeKv.second.end() ||
@@ -728,6 +733,7 @@ void SkeletonDocument::addFromSnapshot(const SkeletonSnapshot &snapshot)
         node.z = valueOfKeyInMapOrEmpty(nodeKv.second, "z").toFloat();
         node.partId = oldNewIdMap[QUuid(valueOfKeyInMapOrEmpty(nodeKv.second, "partId"))];
         nodeMap[node.id] = node;
+        newAddedNodeIds.insert(node.id);
     }
     for (const auto &edgeKv : snapshot.edges) {
         if (edgeKv.second.find("from") == edgeKv.second.end() ||
@@ -751,28 +757,45 @@ void SkeletonDocument::addFromSnapshot(const SkeletonSnapshot &snapshot)
             nodeMap[toId].edgeIds.push_back(edge.id);
         }
         edgeMap[edge.id] = edge;
+        newAddedEdgeIds.insert(edge.id);
     }
     for (const auto &nodeIt: nodeMap) {
+        if (newAddedNodeIds.find(nodeIt.first) == newAddedNodeIds.end())
+            continue;
         partMap[nodeIt.second.partId].nodeIds.push_back(nodeIt.first);
     }
     for (const auto &partIdIt: snapshot.partIdList) {
-        partIds.push_back(oldNewIdMap[QUuid(partIdIt)]);
+        const auto partId = oldNewIdMap[QUuid(partIdIt)];
+        if (newAddedPartIds.find(partId) == newAddedPartIds.end())
+            continue;
+        partIds.push_back(partId);
     }
     
-    for (const auto &nodeIt: nodeMap) {
-        emit nodeAdded(nodeIt.first);
+    for (const auto &nodeIt: newAddedNodeIds) {
+        emit nodeAdded(nodeIt);
     }
-    for (const auto &edgeIt: edgeMap) {
-        emit edgeAdded(edgeIt.first);
+    for (const auto &edgeIt: newAddedEdgeIds) {
+        emit edgeAdded(edgeIt);
     }
-    for (const auto &partIt : partMap) {
-        emit partAdded(partIt.first);
-        emit partVisibleStateChanged(partIt.first);
+    for (const auto &partIt : newAddedPartIds) {
+        emit partAdded(partIt);
     }
     
     emit partListChanged();
     emit originChanged();
     emit skeletonChanged();
+    
+    for (const auto &partIt : newAddedPartIds) {
+        emit partVisibleStateChanged(partIt);
+    }
+    
+    emit uncheckAll();
+    for (const auto &nodeIt: newAddedNodeIds) {
+        emit checkNode(nodeIt);
+    }
+    for (const auto &edgeIt: newAddedEdgeIds) {
+        emit checkEdge(edgeIt);
+    }
 }
 
 void SkeletonDocument::reset()
@@ -792,6 +815,7 @@ void SkeletonDocument::fromSnapshot(const SkeletonSnapshot &snapshot)
 {
     reset();
     addFromSnapshot(snapshot);
+    emit uncheckAll();
 }
 
 MeshLoader *SkeletonDocument::takeResultMesh()
diff --git a/src/skeletondocument.h b/src/skeletondocument.h
index b35d8088..8fd5812b 100644
--- a/src/skeletondocument.h
+++ b/src/skeletondocument.h
@@ -213,6 +213,9 @@ signals:
     void enableBackgroundBlur();
     void disableBackgroundBlur();
     void exportReady();
+    void uncheckAll();
+    void checkNode(QUuid nodeId);
+    void checkEdge(QUuid edgeId);
 public: // need initialize
     float originX;
     float originY;
diff --git a/src/skeletondocumentwindow.cpp b/src/skeletondocumentwindow.cpp
index fab57966..c43fbb5d 100644
--- a/src/skeletondocumentwindow.cpp
+++ b/src/skeletondocumentwindow.cpp
@@ -43,7 +43,7 @@ AboutWidget *g_aboutWidget = nullptr;
 void outputMessage(QtMsgType type, const QMessageLogContext &context, const QString &msg)
 {
     if (g_logBrowser)
-        g_logBrowser->outputMessage(type, msg);
+        g_logBrowser->outputMessage(type, msg, context.file, context.line);
 }
 
 void SkeletonDocumentWindow::showAcknowlegements()
@@ -497,6 +497,9 @@ SkeletonDocumentWindow::SkeletonDocumentWindow() :
     connect(m_document, &SkeletonDocument::checkPart, graphicsWidget, &SkeletonGraphicsWidget::selectPartAllById);
     connect(m_document, &SkeletonDocument::enableBackgroundBlur, graphicsWidget, &SkeletonGraphicsWidget::enableBackgroundBlur);
     connect(m_document, &SkeletonDocument::disableBackgroundBlur, graphicsWidget, &SkeletonGraphicsWidget::disableBackgroundBlur);
+    connect(m_document, &SkeletonDocument::uncheckAll, graphicsWidget, &SkeletonGraphicsWidget::unselectAll);
+    connect(m_document, &SkeletonDocument::checkNode, graphicsWidget, &SkeletonGraphicsWidget::addSelectNode);
+    connect(m_document, &SkeletonDocument::checkEdge, graphicsWidget, &SkeletonGraphicsWidget::addSelectEdge);
     
     connect(m_document, &SkeletonDocument::partListChanged, partListWidget, &SkeletonPartListWidget::partListChanged);
     connect(m_document, &SkeletonDocument::partPreviewChanged, partListWidget, &SkeletonPartListWidget::partPreviewChanged);
@@ -789,6 +792,7 @@ void SkeletonDocumentWindow::open()
             SkeletonSnapshot snapshot;
             loadSkeletonFromXmlStream(&snapshot, stream);
             m_document->fromSnapshot(snapshot);
+            m_document->saveSnapshot();
         } else if (item.type == "asset") {
             if (item.name == "canvas.png") {
                 QByteArray data;
diff --git a/src/skeletongraphicswidget.cpp b/src/skeletongraphicswidget.cpp
index fba1b995..21cfd976 100644
--- a/src/skeletongraphicswidget.cpp
+++ b/src/skeletongraphicswidget.cpp
@@ -1600,6 +1600,28 @@ void SkeletonGraphicsWidget::selectPartAllById(QUuid partId)
     hoverPart(QUuid());
 }
 
+void SkeletonGraphicsWidget::addSelectNode(QUuid nodeId)
+{
+    const auto &findResult = nodeItemMap.find(nodeId);
+    if (findResult == nodeItemMap.end()) {
+        qDebug() << "addSelectNode failed because of node id not exists:<<" << nodeId;
+        return;
+    }
+    addItemToRangeSelection(findResult->second.first);
+    hoverPart(QUuid());
+}
+
+void SkeletonGraphicsWidget::addSelectEdge(QUuid edgeId)
+{
+    const auto &findResult = edgeItemMap.find(edgeId);
+    if (findResult == edgeItemMap.end()) {
+        qDebug() << "addSelectEdge failed because of edge id not exists:<<" << edgeId;
+        return;
+    }
+    addItemToRangeSelection(findResult->second.first);
+    hoverPart(QUuid());
+}
+
 void SkeletonGraphicsWidget::selectPartAll()
 {
     unselectAll();
diff --git a/src/skeletongraphicswidget.h b/src/skeletongraphicswidget.h
index 8deae100..d39b303d 100644
--- a/src/skeletongraphicswidget.h
+++ b/src/skeletongraphicswidget.h
@@ -427,6 +427,8 @@ public slots:
     void originChanged();
     void alignSelectedToCenter();
     void selectPartAllById(QUuid partId);
+    void addSelectNode(QUuid nodeId);
+    void addSelectEdge(QUuid edgeId);
     void enableBackgroundBlur();
     void disableBackgroundBlur();
 private slots:
diff --git a/src/skeletonpartlistwidget.cpp b/src/skeletonpartlistwidget.cpp
index 38975c15..2d635882 100644
--- a/src/skeletonpartlistwidget.cpp
+++ b/src/skeletonpartlistwidget.cpp
@@ -754,7 +754,7 @@ void SkeletonPartListWidget::partUnchecked(QUuid partId)
 {
     auto item = m_itemMap.find(partId);
     if (item == m_itemMap.end()) {
-        qDebug() << "Part item not found:" << partId;
+        //qDebug() << "Part item not found:" << partId;
         return;
     }
     SkeletonPartWidget *widget = (SkeletonPartWidget *)itemWidget(item->second);