diff --git a/dust3d.pro b/dust3d.pro
index f7121bc1..f0c20d94 100644
--- a/dust3d.pro
+++ b/dust3d.pro
@@ -194,6 +194,12 @@ HEADERS += src/posepreviewsgenerator.h
 SOURCES += src/posewidget.cpp
 HEADERS += src/posewidget.h
 
+SOURCES += src/meshweldseam.cpp
+HEADERS += src/meshweldseam.h
+
+SOURCES += src/advancesettingwidget.cpp
+HEADERS += src/advancesettingwidget.h
+
 SOURCES += src/main.cpp
 
 HEADERS += src/version.h
diff --git a/src/advancesettingwidget.cpp b/src/advancesettingwidget.cpp
new file mode 100644
index 00000000..90dca994
--- /dev/null
+++ b/src/advancesettingwidget.cpp
@@ -0,0 +1,22 @@
+#include <QFormLayout>
+#include <QCheckBox>
+#include "advancesettingwidget.h"
+#include "dust3dutil.h"
+
+AdvanceSettingWidget::AdvanceSettingWidget(const SkeletonDocument *document, QWidget *parent) :
+    QDialog(parent),
+    m_document(document)
+{
+    QCheckBox *enableWeldBox = new QCheckBox();
+    enableWeldBox->setChecked(document->weldEnabled);
+    connect(enableWeldBox, &QCheckBox::stateChanged, this, [=]() {
+        emit enableWeld(enableWeldBox->isChecked());
+    });
+    
+    QFormLayout *formLayout = new QFormLayout;
+    formLayout->addRow(tr("Weld"), enableWeldBox);
+    
+    setLayout(formLayout);
+    
+    connect(this, &AdvanceSettingWidget::enableWeld, document, &SkeletonDocument::enableWeld);
+}
diff --git a/src/advancesettingwidget.h b/src/advancesettingwidget.h
new file mode 100644
index 00000000..e9d3261a
--- /dev/null
+++ b/src/advancesettingwidget.h
@@ -0,0 +1,17 @@
+#ifndef ADVANCE_SETTING_WIDGET_H
+#define ADVANCE_SETTING_WIDGET_H
+#include <QDialog>
+#include "skeletondocument.h"
+
+class AdvanceSettingWidget : public QDialog
+{
+    Q_OBJECT
+signals:
+    void enableWeld(bool enabled);
+public:
+    AdvanceSettingWidget(const SkeletonDocument *document, QWidget *parent=nullptr);
+private:
+    const SkeletonDocument *m_document = nullptr;
+};
+
+#endif
diff --git a/src/exportpreviewwidget.cpp b/src/exportpreviewwidget.cpp
index 5ad41448..7368d7e5 100644
--- a/src/exportpreviewwidget.cpp
+++ b/src/exportpreviewwidget.cpp
@@ -120,6 +120,9 @@ void ExportPreviewWidget::showEvent(QShowEvent *event)
 {
     QWidget::showEvent(event);
     checkSpinner();
+    if (m_document->isPostProcessResultObsolete()) {
+        m_document->postProcess();
+    }
 }
 
 void ExportPreviewWidget::checkSpinner()
diff --git a/src/meshgenerator.cpp b/src/meshgenerator.cpp
index 8b876f4b..e055fa0f 100644
--- a/src/meshgenerator.cpp
+++ b/src/meshgenerator.cpp
@@ -1,6 +1,7 @@
 #include <vector>
 #include <QGuiApplication>
 #include <QElapsedTimer>
+#include <unordered_set>
 #include "meshgenerator.h"
 #include "dust3dutil.h"
 #include "skeletondocument.h"
@@ -9,6 +10,7 @@
 #include "theme.h"
 #include "positionmap.h"
 #include "meshquadify.h"
+#include "meshweldseam.h"
 
 bool MeshGenerator::m_enableDebug = false;
 PositionMap<int> *MeshGenerator::m_forMakePositionKey = new PositionMap<int>;
@@ -31,12 +33,12 @@ void GeneratedCacheContext::updateComponentCombinableMesh(QString componentId, v
 MeshGenerator::MeshGenerator(SkeletonSnapshot *snapshot, QThread *thread) :
     m_snapshot(snapshot),
     m_mesh(nullptr),
-    //m_preview(nullptr),
     m_thread(thread),
     m_meshResultContext(nullptr),
     m_sharedContextWidget(nullptr),
     m_cacheContext(nullptr),
-    m_smoothNormal(true)
+    m_smoothNormal(true),
+    m_weldEnabled(true)
 {
 }
 
@@ -55,6 +57,11 @@ void MeshGenerator::setSmoothNormal(bool smoothNormal)
     m_smoothNormal = smoothNormal;
 }
 
+void MeshGenerator::setWeldEnabled(bool weldEnabled)
+{
+    m_weldEnabled = weldEnabled;
+}
+
 void MeshGenerator::setGeneratedCacheContext(GeneratedCacheContext *cacheContext)
 {
     m_cacheContext = cacheContext;
@@ -474,10 +481,8 @@ void *MeshGenerator::combineComponentMesh(QString componentId, bool *inverse)
                 continue;
             bool childInverse = false;
             void *childCombinedMesh = combineComponentMesh(childId, &childInverse);
-            if (smoothSeam) {
-                for (const auto &positionIt: m_cacheContext->componentPositions[childId]) {
-                    positionsBeforeCombination.addPosition(positionIt.x(), positionIt.y(), positionIt.z(), true);
-                }
+            for (const auto &positionIt: m_cacheContext->componentPositions[childId]) {
+                positionsBeforeCombination.addPosition(positionIt.x(), positionIt.y(), positionIt.z(), true);
             }
             for (const auto &verticesSourceIt: m_cacheContext->componentVerticesSources[childId].map()) {
                 verticesSources.map()[verticesSourceIt.first] = verticesSourceIt.second;
@@ -502,33 +507,55 @@ void *MeshGenerator::combineComponentMesh(QString componentId, bool *inverse)
     }
     
     if (nullptr != resultMesh) {
-        if (smoothSeam || smoothAll) {
-            int meshIdForSmooth = convertFromCombinableMesh(m_meshliteContext, resultMesh);
-            std::vector<QVector3D> positionsBeforeSmooth;
-            loadMeshVerticesPositions(m_meshliteContext, meshIdForSmooth, positionsBeforeSmooth);
+        int meshIdForSmooth = convertFromCombinableMesh(m_meshliteContext, resultMesh);
+        std::vector<QVector3D> positionsBeforeSmooth;
+        loadMeshVerticesPositions(m_meshliteContext, meshIdForSmooth, positionsBeforeSmooth);
+        
+        if (!positionsBeforeSmooth.empty()) {
+            std::vector<int> seamVerticesIds;
+            std::unordered_set<int> seamVerticesIndicies;
             
-            if (!positionsBeforeSmooth.empty()) {
-
-                if (smoothSeam) {
-                    int *seamVerticesIndicies = new int[positionsBeforeSmooth.size()];
-                    int seamVerticesNum = 0;
-                    for (size_t vertexIndex = 0; vertexIndex < positionsBeforeSmooth.size(); vertexIndex++) {
-                        const auto &oldPosition = positionsBeforeSmooth[vertexIndex];
-                        if (!positionsBeforeCombination.findPosition(oldPosition.x(), oldPosition.y(), oldPosition.z())) {
-                            seamVerticesIndicies[seamVerticesNum++] = vertexIndex + 1;
+            if (!positionsBeforeCombination.map().empty()) {
+                for (size_t vertexIndex = 0; vertexIndex < positionsBeforeSmooth.size(); vertexIndex++) {
+                    const auto &oldPosition = positionsBeforeSmooth[vertexIndex];
+                    if (!positionsBeforeCombination.findPosition(oldPosition.x(), oldPosition.y(), oldPosition.z())) {
+                        seamVerticesIds.push_back(vertexIndex + 1);
+                        seamVerticesIndicies.insert(vertexIndex);
+                    }
+                }
+            }
+            
+            bool meshChanged = false;
+            if (m_weldEnabled) {
+                if (!seamVerticesIndicies.empty()) {
+                    int weldedMeshId = meshWeldSeam(m_meshliteContext, meshIdForSmooth, 0.025, seamVerticesIndicies);
+                    {
+                        void *testCombinableMesh = convertToCombinableMesh(m_meshliteContext, weldedMeshId);
+                        if (nullptr != testCombinableMesh) {
+                            deleteCombinableMesh(testCombinableMesh);
+                            meshIdForSmooth = weldedMeshId;
+                            meshChanged = true;
+                        } else {
+                            qDebug() << "Weld seam failed, fall back";
                         }
                     }
-                    if (seamVerticesNum > 0) {
-                        //qDebug() << "smoothSeamFactor:" << smoothSeamFactor << "seamVerticesIndicies.size():" << seamVerticesNum;
-                        meshlite_smooth_vertices(m_meshliteContext, meshIdForSmooth, smoothSeamFactor, seamVerticesIndicies, seamVerticesNum);
-                    }
-                    delete[] seamVerticesIndicies;
                 }
-                
-                if (smoothAll) {
-                    meshlite_smooth(m_meshliteContext, meshIdForSmooth, smoothAllFactor);
+            }
+        
+            if (smoothSeam) {
+                if (!seamVerticesIds.empty()) {
+                    //qDebug() << "smoothSeamFactor:" << smoothSeamFactor << "seamVerticesIndicies.size():" << seamVerticesNum;
+                    meshlite_smooth_vertices(m_meshliteContext, meshIdForSmooth, smoothSeamFactor, seamVerticesIds.data(), seamVerticesIds.size());
+                    meshChanged = true;
                 }
-                
+            }
+            
+            if (smoothAll) {
+                meshlite_smooth(m_meshliteContext, meshIdForSmooth, smoothAllFactor);
+                meshChanged = true;
+            }
+            
+            if (meshChanged) {
                 std::vector<QVector3D> positionsAfterSmooth;
                 loadMeshVerticesPositions(m_meshliteContext, meshIdForSmooth, positionsAfterSmooth);
                 Q_ASSERT(positionsBeforeSmooth.size() == positionsAfterSmooth.size());
@@ -543,7 +570,6 @@ void *MeshGenerator::combineComponentMesh(QString componentId, bool *inverse)
                         verticesSources.addPosition(smoothedPosition.x(), smoothedPosition.y(), smoothedPosition.z(), source);
                     }
                 }
-                
                 deleteCombinableMesh(resultMesh);
                 resultMesh = convertToCombinableMesh(m_meshliteContext, meshIdForSmooth);
             }
@@ -655,12 +681,6 @@ void MeshGenerator::process()
             bmeshNodes.second.begin(), bmeshNodes.second.end());
     }
     
-    //if (resultMeshId > 0) {
-    //    resultMeshId = meshlite_combine_coplanar_faces(m_meshliteContext, resultMeshId);
-    //    if (resultMeshId > 0)
-    //        resultMeshId = meshlite_fix_hole(m_meshliteContext, resultMeshId);
-    //}
-    
     int triangulatedFinalMeshId = resultMeshId;
     if (triangulatedFinalMeshId > 0) {
         std::set<std::pair<PositionMapKey, PositionMapKey>> sharedQuadEdges;
@@ -676,8 +696,6 @@ void MeshGenerator::process()
     }
     
     if (resultMeshId > 0) {
-        //int triangulatedFinalMeshId = meshlite_triangulate(m_meshliteContext, resultMeshId);
-        //triangulatedFinalMeshId = resultMeshId;
         loadGeneratedPositionsToMeshResultContext(m_meshliteContext, triangulatedFinalMeshId);
         m_mesh = new MeshLoader(m_meshliteContext, resultMeshId, triangulatedFinalMeshId, Theme::white, &m_meshResultContext->triangleColors(), m_smoothNormal);
     }
diff --git a/src/meshgenerator.h b/src/meshgenerator.h
index 77207129..8b9e3d7a 100644
--- a/src/meshgenerator.h
+++ b/src/meshgenerator.h
@@ -36,6 +36,7 @@ public:
     void addPartPreviewRequirement(const QUuid &partId);
     void setGeneratedCacheContext(GeneratedCacheContext *cacheContext);
     void setSmoothNormal(bool smoothNormal);
+    void setWeldEnabled(bool weldEnabled);
     MeshLoader *takeResultMesh();
     MeshLoader *takePartPreviewMesh(const QUuid &partId);
     const std::set<QUuid> &requirePreviewPartIds();
@@ -57,6 +58,7 @@ private:
     void *m_meshliteContext;
     GeneratedCacheContext *m_cacheContext;
     bool m_smoothNormal;
+    bool m_weldEnabled;
     float m_mainProfileMiddleX;
     float m_sideProfileMiddleX;
     float m_mainProfileMiddleY;
diff --git a/src/meshquadify.cpp b/src/meshquadify.cpp
index cc7f17f6..143d7c98 100644
--- a/src/meshquadify.cpp
+++ b/src/meshquadify.cpp
@@ -1,5 +1,6 @@
 #include <QDebug>
 #include <unordered_set>
+#include <vector>
 #include "meshquadify.h"
 #include "meshlite.h"
 
@@ -11,12 +12,12 @@ int meshQuadify(void *meshlite, int meshId, const std::set<std::pair<PositionMap
     int vertexArrayLen = meshlite_get_vertex_position_array(meshlite, meshId, vertexPositions, vertexCount * 3);
     int offset = 0;
     Q_ASSERT(vertexArrayLen == vertexCount * 3);
-    std::map<int, PositionMapKey> positionKeyMap;
+    std::vector<PositionMapKey> positionKeyMap;
     for (int i = 0; i < vertexCount; i++) {
         float x = vertexPositions[offset + 0];
         float y = vertexPositions[offset + 1];
         float z = vertexPositions[offset + 2];
-        positionKeyMap[i] = positionMapForMakeKey->makeKey(x, y, z);
+        positionKeyMap.push_back(positionMapForMakeKey->makeKey(x, y, z));
         offset += 3;
     }
     int faceCount = meshlite_get_face_count(meshlite, meshId);
diff --git a/src/meshweldseam.cpp b/src/meshweldseam.cpp
new file mode 100644
index 00000000..d65c47d9
--- /dev/null
+++ b/src/meshweldseam.cpp
@@ -0,0 +1,159 @@
+#include <QtGlobal>
+#include <QDebug>
+#include <map>
+#include <vector>
+#include <QVector3D>
+#include <unordered_map>
+#include "meshweldseam.h"
+#include "meshutil.h"
+
+int meshWeldSeam(void *meshlite, int meshId, float allowedSmallestDistance, const std::unordered_set<int> &seamVerticesIndicies)
+{
+    int vertexCount = meshlite_get_vertex_count(meshlite, meshId);
+    float *vertexPositions = new float[vertexCount * 3];
+    int vertexArrayLen = meshlite_get_vertex_position_array(meshlite, meshId, vertexPositions, vertexCount * 3);
+    int offset = 0;
+    Q_ASSERT(vertexArrayLen == vertexCount * 3);
+    std::vector<QVector3D> positions;
+    for (int i = 0; i < vertexCount; i++) {
+        float x = vertexPositions[offset + 0];
+        float y = vertexPositions[offset + 1];
+        float z = vertexPositions[offset + 2];
+        positions.push_back(QVector3D(x, y, z));
+        offset += 3;
+    }
+    int faceCount = meshlite_get_face_count(meshlite, meshId);
+    int *faceVertexNumAndIndices = new int[faceCount * MAX_VERTICES_PER_FACE];
+    int filledLength = meshlite_get_face_index_array(meshlite, meshId, faceVertexNumAndIndices, faceCount * MAX_VERTICES_PER_FACE);
+    int i = 0;
+    std::vector<std::vector<int>> newFaceIndicies;
+    while (i < filledLength) {
+        int num = faceVertexNumAndIndices[i++];
+        Q_ASSERT(num > 0 && num <= MAX_VERTICES_PER_FACE);
+        if (num < 3) {
+            i += num;
+            continue;
+        }
+        std::vector<int> indices;
+        for (int j = 0; j < num; j++) {
+            int index = faceVertexNumAndIndices[i++];
+            Q_ASSERT(index >= 0 && index < vertexCount);
+            indices.push_back(index);
+        }
+        newFaceIndicies.push_back(indices);
+    }
+    float squareOfAllowedSmallestDistance = allowedSmallestDistance * allowedSmallestDistance;
+    int weldedMesh = 0;
+    std::map<int, int> weldVertexToMap;
+    std::unordered_set<int> weldTargetVertices;
+    std::unordered_set<int> processedFaces;
+    std::map<std::pair<int, int>, std::pair<int, int>> triangleEdgeMap;
+    std::unordered_map<int, int> vertexAdjFaceCountMap;
+    for (int i = 0; i < (int)newFaceIndicies.size(); i++) {
+        const auto &faceIndicies = newFaceIndicies[i];
+        if (faceIndicies.size() == 3) {
+            vertexAdjFaceCountMap[faceIndicies[0]]++;
+            vertexAdjFaceCountMap[faceIndicies[1]]++;
+            vertexAdjFaceCountMap[faceIndicies[2]]++;
+            triangleEdgeMap[std::make_pair(faceIndicies[0], faceIndicies[1])] = std::make_pair(i, faceIndicies[2]);
+            triangleEdgeMap[std::make_pair(faceIndicies[1], faceIndicies[2])] = std::make_pair(i, faceIndicies[0]);
+            triangleEdgeMap[std::make_pair(faceIndicies[2], faceIndicies[0])] = std::make_pair(i, faceIndicies[1]);
+        }
+    }
+    for (int i = 0; i < (int)newFaceIndicies.size(); i++) {
+        if (processedFaces.find(i) != processedFaces.end())
+            continue;
+        const auto &faceIndicies = newFaceIndicies[i];
+        if (faceIndicies.size() == 3) {
+            bool indiciesSeamCheck[3] = {
+                seamVerticesIndicies.empty() || seamVerticesIndicies.find(faceIndicies[0]) != seamVerticesIndicies.end(),
+                seamVerticesIndicies.empty() || seamVerticesIndicies.find(faceIndicies[1]) != seamVerticesIndicies.end(),
+                seamVerticesIndicies.empty() || seamVerticesIndicies.find(faceIndicies[2]) != seamVerticesIndicies.end()
+            };
+            for (int j = 0; j < 3; j++) {
+                int next = (j + 1) % 3;
+                int nextNext = (j + 2) % 3;
+                if (indiciesSeamCheck[j] && indiciesSeamCheck[next]) {
+                    std::pair<int, int> edge = std::make_pair(faceIndicies[j], faceIndicies[next]);
+                    int thirdVertexIndex = faceIndicies[nextNext];
+                    if ((positions[edge.first] - positions[edge.second]).lengthSquared() < squareOfAllowedSmallestDistance) {
+                        auto oppositeEdge = std::make_pair(edge.second, edge.first);
+                        auto findOppositeFace = triangleEdgeMap.find(oppositeEdge);
+                        if (findOppositeFace == triangleEdgeMap.end()) {
+                            qDebug() << "Find opposite edge failed";
+                            continue;
+                        }
+                        int oppositeFaceIndex = findOppositeFace->second.first;
+                        // Weld on the longer edge vertex
+                        if (((positions[edge.first] - positions[thirdVertexIndex]).lengthSquared() <
+                                    (positions[edge.second] - positions[thirdVertexIndex]).lengthSquared()) &&
+                                vertexAdjFaceCountMap[edge.second] <= 4 &&
+                                weldVertexToMap.find(edge.second) == weldVertexToMap.end()) {
+                            weldVertexToMap[edge.second] = edge.first;
+                            weldTargetVertices.insert(edge.first);
+                            processedFaces.insert(i);
+                            processedFaces.insert(oppositeFaceIndex);
+                            break;
+                        } else if (vertexAdjFaceCountMap[edge.first] <= 4 &&
+                                weldVertexToMap.find(edge.first) == weldVertexToMap.end()) {
+                            weldVertexToMap[edge.first] = edge.second;
+                            weldTargetVertices.insert(edge.second);
+                            processedFaces.insert(i);
+                            processedFaces.insert(oppositeFaceIndex);
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    std::vector<int> newFaceVertexNumAndIndices;
+    int weldedCount = 0;
+    int faceCountAfterWeld = 0;
+    for (int i = 0; i < (int)newFaceIndicies.size(); i++) {
+        const auto &faceIndicies = newFaceIndicies[i];
+        std::vector<int> mappedFaceIndicies;
+        bool errored = false;
+        for (const auto &index: faceIndicies) {
+            int finalIndex = index;
+            int mapTimes = 0;
+            while (mapTimes < 500) {
+                auto findMapResult = weldVertexToMap.find(finalIndex);
+                if (findMapResult == weldVertexToMap.end())
+                    break;
+                finalIndex = findMapResult->second;
+                mapTimes++;
+            }
+            if (mapTimes >= 500) {
+                qDebug() << "Map too much times";
+                errored = true;
+                break;
+            }
+            mappedFaceIndicies.push_back(finalIndex);
+        }
+        if (errored || mappedFaceIndicies.size() < 3)
+            continue;
+        bool welded = false;
+        for (decltype(mappedFaceIndicies.size()) j = 0; j < mappedFaceIndicies.size(); j++) {
+            int next = (j + 1) % 3;
+            if (mappedFaceIndicies[j] == mappedFaceIndicies[next]) {
+                welded = true;
+                break;
+            }
+        }
+        if (welded) {
+            weldedCount++;
+            continue;
+        }
+        faceCountAfterWeld++;
+        newFaceVertexNumAndIndices.push_back(mappedFaceIndicies.size());
+        for (const auto &index: mappedFaceIndicies) {
+            newFaceVertexNumAndIndices.push_back(index);
+        }
+    }
+    qDebug() << "Welded" << weldedCount << "triangles(" << newFaceIndicies.size() << " - " << weldedCount << " = " << faceCountAfterWeld << ")";
+    weldedMesh = meshlite_build(meshlite, vertexPositions, vertexCount, newFaceVertexNumAndIndices.data(), newFaceVertexNumAndIndices.size());
+    delete[] faceVertexNumAndIndices;
+    delete[] vertexPositions;
+    return weldedMesh;
+}
diff --git a/src/meshweldseam.h b/src/meshweldseam.h
new file mode 100644
index 00000000..edae4e8e
--- /dev/null
+++ b/src/meshweldseam.h
@@ -0,0 +1,9 @@
+#ifndef MESH_WELD_SEAM_H
+#define MESH_WELD_SEAM_H
+#include "meshlite.h"
+#include <unordered_set>
+
+int meshWeldSeam(void *meshlite, int meshId, float allowedSmallestDistance,
+    const std::unordered_set<int> &seamVerticesIndicies=std::unordered_set<int>());
+
+#endif
diff --git a/src/skeletondocument.cpp b/src/skeletondocument.cpp
index 8a85aa94..8de92dd0 100644
--- a/src/skeletondocument.cpp
+++ b/src/skeletondocument.cpp
@@ -28,6 +28,7 @@ SkeletonDocument::SkeletonDocument() :
     textureAmbientOcclusionImage(nullptr),
     textureColorImage(nullptr),
     rigType(RigType::None),
+    weldEnabled(false),
     // private
     m_isResultMeshObsolete(false),
     m_meshGenerator(nullptr),
@@ -1213,6 +1214,12 @@ void SkeletonDocument::toggleSmoothNormal()
     regenerateMesh();
 }
 
+void SkeletonDocument::enableWeld(bool enabled)
+{
+    weldEnabled = enabled;
+    regenerateMesh();
+}
+
 void SkeletonDocument::generateMesh()
 {
     if (nullptr != m_meshGenerator || m_batchChangeRefCount > 0) {
@@ -1233,6 +1240,7 @@ void SkeletonDocument::generateMesh()
     resetDirtyFlags();
     m_meshGenerator = new MeshGenerator(snapshot, thread);
     m_meshGenerator->setSmoothNormal(m_smoothNormal);
+    m_meshGenerator->setWeldEnabled(weldEnabled);
     m_meshGenerator->setGeneratedCacheContext(&m_generatedCacheContext);
     if (nullptr != m_sharedContextWidget)
         m_meshGenerator->setSharedContextWidget(m_sharedContextWidget);
diff --git a/src/skeletondocument.h b/src/skeletondocument.h
index ac7eea0d..e04c13e2 100644
--- a/src/skeletondocument.h
+++ b/src/skeletondocument.h
@@ -465,6 +465,7 @@ public: // need initialize
     QImage *textureAmbientOcclusionImage;
     QImage *textureColorImage;
     RigType rigType;
+    bool weldEnabled;
 public:
     SkeletonDocument();
     ~SkeletonDocument();
@@ -594,6 +595,7 @@ public slots:
     void enableAllPositionRelatedLocks();
     void disableAllPositionRelatedLocks();
     void toggleSmoothNormal();
+    void enableWeld(bool enabled);
     void setRigType(RigType toRigType);
     void addPose(QString name, std::map<QString, std::map<QString, QString>> parameters);
     void removePose(QUuid poseId);
diff --git a/src/skeletondocumentwindow.cpp b/src/skeletondocumentwindow.cpp
index 7a56ccc2..37dd010c 100644
--- a/src/skeletondocumentwindow.cpp
+++ b/src/skeletondocumentwindow.cpp
@@ -97,7 +97,8 @@ SkeletonDocumentWindow::SkeletonDocumentWindow() :
     m_document(nullptr),
     m_firstShow(true),
     m_documentSaved(true),
-    m_exportPreviewWidget(nullptr)
+    m_exportPreviewWidget(nullptr),
+    m_advanceSettingWidget(nullptr)
 {
     if (!g_logBrowser) {
         g_logBrowser = new LogBrowser;
@@ -543,6 +544,12 @@ SkeletonDocumentWindow::SkeletonDocumentWindow() :
     m_showDebugDialogAction = new QAction(tr("Debug"), this);
     connect(m_showDebugDialogAction, &QAction::triggered, g_logBrowser, &LogBrowser::showDialog);
     m_windowMenu->addAction(m_showDebugDialogAction);
+    
+    m_showAdvanceSettingAction = new QAction(tr("Advance"), this);
+    connect(m_showAdvanceSettingAction, &QAction::triggered, this, &SkeletonDocumentWindow::showAdvanceSetting);
+#ifndef NDEBUG
+    m_windowMenu->addAction(m_showAdvanceSettingAction);
+#endif
 
     m_helpMenu = menuBar()->addMenu(tr("Help"));
 
@@ -1061,6 +1068,15 @@ void SkeletonDocumentWindow::open()
     setCurrentFilename(filename);
 }
 
+void SkeletonDocumentWindow::showAdvanceSetting()
+{
+    if (nullptr == m_advanceSettingWidget) {
+        m_advanceSettingWidget = new AdvanceSettingWidget(m_document, this);
+    }
+    m_advanceSettingWidget->show();
+    m_advanceSettingWidget->raise();
+}
+
 void SkeletonDocumentWindow::exportObjResult()
 {
     QString filename = QFileDialog::getSaveFileName(this, QString(), QString(),
@@ -1097,10 +1113,8 @@ void SkeletonDocumentWindow::showExportPreview()
         connect(m_document, &SkeletonDocument::resultBakedTextureChanged, m_exportPreviewWidget, &ExportPreviewWidget::updateTexturePreview);
         registerDialog(m_exportPreviewWidget);
     }
-    if (m_document->isPostProcessResultObsolete()) {
-        m_document->postProcess();
-    }
     m_exportPreviewWidget->show();
+    m_exportPreviewWidget->raise();
 }
 
 void SkeletonDocumentWindow::exportGltfResult()
diff --git a/src/skeletondocumentwindow.h b/src/skeletondocumentwindow.h
index c89a977c..47538e29 100644
--- a/src/skeletondocumentwindow.h
+++ b/src/skeletondocumentwindow.h
@@ -13,6 +13,7 @@
 #include "rigwidget.h"
 #include "skeletonbonemark.h"
 #include "posemanagewidget.h"
+#include "advancesettingwidget.h"
 
 class SkeletonGraphicsWidget;
 
@@ -59,6 +60,7 @@ public slots:
     void updateRigWeightRenderWidget();
     void registerDialog(QWidget *widget);
     void unregisterDialog(QWidget *widget);
+    void showAdvanceSetting();
 private:
     void initLockButton(QPushButton *button);
     void setCurrentFilename(const QString &filename);
@@ -68,6 +70,7 @@ private:
     bool m_firstShow;
     bool m_documentSaved;
     ExportPreviewWidget *m_exportPreviewWidget;
+    AdvanceSettingWidget *m_advanceSettingWidget;
     std::vector<QWidget *> m_dialogs;
 private:
     QString m_currentFilename;
@@ -75,7 +78,6 @@ private:
     ModelWidget *m_modelRenderWidget;
     SkeletonGraphicsWidget *m_graphicsWidget;
     RigWidget *m_rigWidget;
-    PoseManageWidget *m_poseManageWidget;
     
     QMenu *m_fileMenu;
     QAction *m_newWindowAction;
@@ -135,6 +137,7 @@ private:
     QAction *m_showDebugDialogAction;
     QAction *m_showRigAction;
     QAction *m_showPosesAction;
+    QAction *m_showAdvanceSettingAction;
     
     QMenu *m_helpMenu;
     QAction *m_viewSourceAction;