diff --git a/src/entities/LabelComponent.cpp b/src/entities/LabelComponent.cpp
index 7bf431b8..97cbe010 100644
--- a/src/entities/LabelComponent.cpp
+++ b/src/entities/LabelComponent.cpp
@@ -9,7 +9,6 @@
 #include "entities/Entity.h"
 #include "common/SpdLogger.h"
 
-#include "scutcheon/osgScutcheon.h"
 
 LabelComponent::LabelComponent(SceneComponent* parent)
     : SceneComponent(parent)
diff --git a/src/entities/TrajectoryTraceComponent.cpp b/src/entities/TrajectoryTraceComponent.cpp
index f4b0296b..4b8195d0 100644
--- a/src/entities/TrajectoryTraceComponent.cpp
+++ b/src/entities/TrajectoryTraceComponent.cpp
@@ -1,6 +1,7 @@
 #include "entities/TrajectoryTraceComponent.h"
 
 #include <algorithm>
+#include <cmath>
 
 #include <osg/BlendFunc>
 #include <osg/Depth>
@@ -210,11 +211,8 @@ double TrajectoryTraceComponent::GetMinMoveDistance() const {
 void TrajectoryTraceComponent::SetMaxPoints(int maxPoints) {
     maxPoints_ = std::max(2, maxPoints);
     if (vertices_.valid() && static_cast<int>(vertices_->size()) > maxPoints_) {
-        const int overflow = static_cast<int>(vertices_->size()) - maxPoints_;
-        vertices_->erase(vertices_->begin(), vertices_->begin() + overflow);
-        drawArrays_->setCount(static_cast<GLsizei>(vertices_->size()));
-        vertices_->dirty();
-        geometry_->dirtyBound();
+        TrimOverflowPoints();
+        DirtyGeometry();
     }
 }
 
@@ -271,6 +269,7 @@ double TrajectoryTraceComponent::GetGapLength() const {
 
 void TrajectoryTraceComponent::SetDashScrollSpeed(double speed) {
     dashScrollSpeed_ = speed;
+    DirtyGeometry();
 }
 
 double TrajectoryTraceComponent::GetDashScrollSpeed() const {
@@ -281,16 +280,9 @@ void TrajectoryTraceComponent::ClearTrace() {
     InitializeGeometry();
 
     vertices_->clear();
+    renderVertices_->clear();
     sampleTimes_.clear();
-    drawArrays_->setCount(0);
-    vertices_->dirty();
-    geometry_->dirtyBound();
-    if (geode_.valid()) {
-        geode_->dirtyBound();
-    }
-    if (mt_.valid()) {
-        mt_->dirtyBound();
-    }
+    DirtyGeometry();
 }
 
 void TrajectoryTraceComponent::InitializeGeometry() {
@@ -302,15 +294,15 @@ void TrajectoryTraceComponent::InitializeGeometry() {
     geode_ = new osg::Geode;
     geometry_ = new osg::Geometry;
     vertices_ = new osg::Vec3Array;
+    renderVertices_ = new osg::Vec3Array;
     colors_ = new osg::Vec4Array;
     drawArrays_ = new osg::DrawArrays(GL_LINE_STRIP, 0, 0);
     lineWidthState_ = new osg::LineWidth(lineWidth_);
-    lineStippleState_ = new osg::LineStipple(1, 0xFFFF);
 
     geometry_->setDataVariance(osg::Object::DYNAMIC);
     geometry_->setUseDisplayList(false);
     geometry_->setUseVertexBufferObjects(true);
-    geometry_->setVertexArray(vertices_.get());
+    geometry_->setVertexArray(renderVertices_.get());
     geometry_->addPrimitiveSet(drawArrays_.get());
 
     colors_->push_back(color_);
@@ -323,7 +315,6 @@ void TrajectoryTraceComponent::InitializeGeometry() {
     stateSet->setAttributeAndModes(new osg::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
     stateSet->setAttributeAndModes(new osg::Depth(osg::Depth::LEQUAL, 0.0, 1.0, false));
     stateSet->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
-    stateSet->setAttributeAndModes(lineStippleState_.get(), osg::StateAttribute::OFF);
 
     geode_->addDrawable(geometry_.get());
     mt_->addChild(geode_.get());
@@ -349,23 +340,8 @@ bool TrajectoryTraceComponent::AppendPoint(const osg::Vec3d& geoPoint) {
 
     vertices_->push_back(worldPoint);
     sampleTimes_.push_back(elapsedTime_);
-    if (static_cast<int>(vertices_->size()) > maxPoints_) {
-        const int overflow = static_cast<int>(vertices_->size()) - maxPoints_;
-        vertices_->erase(vertices_->begin(), vertices_->begin() + overflow);
-        for (int i = 0; i < overflow && !sampleTimes_.empty(); ++i) {
-            sampleTimes_.pop_front();
-        }
-    }
-
-    drawArrays_->setCount(static_cast<GLsizei>(vertices_->size()));
-    vertices_->dirty();
-    geometry_->dirtyBound();
-    if (geode_.valid()) {
-        geode_->dirtyBound();
-    }
-    if (mt_.valid()) {
-        mt_->dirtyBound();
-    }
+    TrimOverflowPoints();
+    DirtyGeometry();
 
     if (attachedToScene_ && mt_->getNumParents() == 0) {
         AttachTraceToScene();
@@ -389,15 +365,7 @@ bool TrajectoryTraceComponent::UpdateTailPoint(const osg::Vec3d& geoPoint) {
     if (!sampleTimes_.empty()) {
         sampleTimes_.back() = elapsedTime_;
     }
-    drawArrays_->setCount(static_cast<GLsizei>(vertices_->size()));
-    vertices_->dirty();
-    geometry_->dirtyBound();
-    if (geode_.valid()) {
-        geode_->dirtyBound();
-    }
-    if (mt_.valid()) {
-        mt_->dirtyBound();
-    }
+    DirtyGeometry();
 
     if (attachedToScene_ && mt_->getNumParents() == 0) {
         AttachTraceToScene();
@@ -463,15 +431,7 @@ void TrajectoryTraceComponent::TrimExpiredPoints() {
     }
 
     if (removed) {
-        drawArrays_->setCount(static_cast<GLsizei>(vertices_->size()));
-        vertices_->dirty();
-        geometry_->dirtyBound();
-        if (geode_.valid()) {
-            geode_->dirtyBound();
-        }
-        if (mt_.valid()) {
-            mt_->dirtyBound();
-        }
+        DirtyGeometry();
     }
 }
 
@@ -487,34 +447,100 @@ void TrajectoryTraceComponent::UpdateStyle() {
         lineWidthState_->setWidth(lineWidth_);
     }
 
-    if (lineStippleState_.valid() && geode_.valid()) {
-        const double cycle = std::max(1.0, dashLength_ + gapLength_);
-        double factorValue = cycle / std::max(1.0f, lineWidth_);
-        if (factorValue < 1.0) {
-            factorValue = 1.0;
-        } else if (factorValue > 255.0) {
-            factorValue = 255.0;
-        }
-        int factor = static_cast<int>(factorValue);
-        int onBits = static_cast<int>(std::round(16.0 * dashLength_ / cycle));
-        if (onBits < 1) {
-            onBits = 1;
-        } else if (onBits > 15) {
-            onBits = 15;
-        }
-        unsigned short pattern = 0;
-        for (int i = 0; i < 16; ++i) {
-            if (i < onBits) {
-                pattern |= static_cast<unsigned short>(1u << i);
-            }
-        }
-        if (!dashed_) {
-            pattern = 0xFFFF;
-            geode_->getOrCreateStateSet()->setAttributeAndModes(lineStippleState_.get(), osg::StateAttribute::OFF);
-        } else {
-            geode_->getOrCreateStateSet()->setAttributeAndModes(lineStippleState_.get(), osg::StateAttribute::ON);
-        }
-        lineStippleState_->setFactor(factor);
-        lineStippleState_->setPattern(pattern);
+    DirtyGeometry();
+}
+
+void TrajectoryTraceComponent::DirtyGeometry() {
+    if (!geometry_.valid() || !drawArrays_.valid() || !renderVertices_.valid()) {
+        return;
+    }
+
+    RebuildRenderGeometry();
+    renderVertices_->dirty();
+    geometry_->dirtyBound();
+    if (geode_.valid()) {
+        geode_->dirtyBound();
+    }
+    if (mt_.valid()) {
+        mt_->dirtyBound();
     }
 }
+
+void TrajectoryTraceComponent::TrimOverflowPoints() {
+    if (!vertices_.valid()) {
+        return;
+    }
+
+    if (static_cast<int>(vertices_->size()) <= maxPoints_) {
+        return;
+    }
+
+    const int overflow = static_cast<int>(vertices_->size()) - maxPoints_;
+    vertices_->erase(vertices_->begin(), vertices_->begin() + overflow);
+    for (int i = 0; i < overflow && !sampleTimes_.empty(); ++i) {
+        sampleTimes_.pop_front();
+    }
+}
+
+void TrajectoryTraceComponent::RebuildRenderGeometry() {
+    if (!renderVertices_.valid()) {
+        return;
+    }
+
+    renderVertices_->clear();
+    if (!vertices_.valid() || vertices_->empty()) {
+        drawArrays_->setMode(GL_LINE_STRIP);
+        drawArrays_->setCount(0);
+        return;
+    }
+
+    if (!dashed_ || vertices_->size() < 2) {
+        drawArrays_->setMode(GL_LINE_STRIP);
+        renderVertices_->assign(vertices_->begin(), vertices_->end());
+        drawArrays_->setCount(static_cast<GLsizei>(renderVertices_->size()));
+        return;
+    }
+
+    drawArrays_->setMode(GL_LINES);
+
+    const double cycle = std::max(0.001, dashLength_ + gapLength_);
+    double dashOffset = std::fmod(elapsedTime_ * dashScrollSpeed_, cycle);
+    if (dashOffset < 0.0) {
+        dashOffset += cycle;
+    }
+
+    double accumulatedDistance = 0.0;
+    for (std::size_t i = 1; i < vertices_->size(); ++i) {
+        const osg::Vec3d& start = (*vertices_)[i - 1];
+        const osg::Vec3d& end = (*vertices_)[i];
+        const osg::Vec3d segment = end - start;
+        const double segmentLength = segment.length();
+        if (segmentLength <= 1e-6) {
+            continue;
+        }
+
+        const osg::Vec3d direction = segment / segmentLength;
+        double localDistance = 0.0;
+        while (localDistance < segmentLength) {
+            double phase = std::fmod(accumulatedDistance + localDistance + dashOffset, cycle);
+            if (phase < 0.0) {
+                phase += cycle;
+            }
+
+            if (phase < dashLength_) {
+                const double visibleLength = std::min(dashLength_ - phase, segmentLength - localDistance);
+                const osg::Vec3d visibleStart = start + direction * localDistance;
+                const osg::Vec3d visibleEnd = start + direction * (localDistance + visibleLength);
+                renderVertices_->push_back(visibleStart);
+                renderVertices_->push_back(visibleEnd);
+                localDistance += visibleLength;
+            } else {
+                localDistance += std::min(cycle - phase, segmentLength - localDistance);
+            }
+        }
+
+        accumulatedDistance += segmentLength;
+    }
+
+    drawArrays_->setCount(static_cast<GLsizei>(renderVertices_->size()));
+}
diff --git a/src/entities/TrajectoryTraceComponent.h b/src/entities/TrajectoryTraceComponent.h
index 58b22cc9..d7753acb 100644
--- a/src/entities/TrajectoryTraceComponent.h
+++ b/src/entities/TrajectoryTraceComponent.h
@@ -3,7 +3,6 @@
 #include "entities/SceneComponent.h"
 
 #include <osg/Geometry>
-#include <osg/LineStipple>
 #include <osg/LineWidth>
 #include <osg/Vec4>
 #include <deque>
@@ -71,15 +70,18 @@ private:
     void AttachTraceToScene();
     void TrimExpiredPoints();
     void UpdateStyle();
+    void DirtyGeometry();
+    void TrimOverflowPoints();
+    void RebuildRenderGeometry();
 
 private:
     osg::ref_ptr<osg::Geode> geode_;
     osg::ref_ptr<osg::Geometry> geometry_;
     osg::ref_ptr<osg::Vec3Array> vertices_;
+    osg::ref_ptr<osg::Vec3Array> renderVertices_;
     osg::ref_ptr<osg::Vec4Array> colors_;
     osg::ref_ptr<osg::DrawArrays> drawArrays_;
     osg::ref_ptr<osg::LineWidth> lineWidthState_;
-    osg::ref_ptr<osg::LineStipple> lineStippleState_;
 
     osg::Vec4 color_{1.0f, 0.8f, 0.1f, 1.0f};
     float lineWidth_{2.0f};
diff --git a/src/ui/PropertyBrowser/qtworkspaceattribute.cpp b/src/ui/PropertyBrowser/qtworkspaceattribute.cpp
index 6c5e6f79..b98713ff 100644
--- a/src/ui/PropertyBrowser/qtworkspaceattribute.cpp
+++ b/src/ui/PropertyBrowser/qtworkspaceattribute.cpp
@@ -483,7 +483,8 @@ void QTrajectoryTraceComponentAttribute::SetColor(const QColor& c) {
     }
 
     OsgUtils::QColorToVec4(c, &vColor);
-    object_->SetColor(vColor);
+    const std::string value = StringUtils::Vec4ToString(vColor);
+    object_->SetAttribute("color", value.c_str());
 }
 
 QColor QTrajectoryTraceComponentAttribute::GetColor() const {
@@ -502,7 +503,8 @@ void QTrajectoryTraceComponentAttribute::SetLineWidth(double width) {
         return;
     }
 
-    object_->SetLineWidth(static_cast<float>(width));
+    const std::string value = std::to_string(width);
+    object_->SetAttribute("lineWidth", value.c_str());
 }
 
 double QTrajectoryTraceComponentAttribute::GetLineWidth() const {
@@ -518,7 +520,8 @@ void QTrajectoryTraceComponentAttribute::SetSampleInterval(double interval) {
         return;
     }
 
-    object_->SetSampleInterval(interval);
+    const std::string value = std::to_string(interval);
+    object_->SetAttribute("sampleInterval", value.c_str());
 }
 
 double QTrajectoryTraceComponentAttribute::GetSampleInterval() const {
@@ -534,7 +537,8 @@ void QTrajectoryTraceComponentAttribute::SetMinMoveDistance(double distance) {
         return;
     }
 
-    object_->SetMinMoveDistance(distance);
+    const std::string value = std::to_string(distance);
+    object_->SetAttribute("minMoveDistance", value.c_str());
 }
 
 double QTrajectoryTraceComponentAttribute::GetMinMoveDistance() const {
@@ -550,7 +554,8 @@ void QTrajectoryTraceComponentAttribute::SetMaxPoints(int maxPoints) {
         return;
     }
 
-    object_->SetMaxPoints(maxPoints);
+    const std::string value = std::to_string(maxPoints);
+    object_->SetAttribute("maxPoints", value.c_str());
 }
 
 int QTrajectoryTraceComponentAttribute::GetMaxPoints() const {
@@ -566,7 +571,8 @@ void QTrajectoryTraceComponentAttribute::SetTailDuration(double duration) {
         return;
     }
 
-    object_->SetTailDuration(duration);
+    const std::string value = std::to_string(duration);
+    object_->SetAttribute("tailDuration", value.c_str());
 }
 
 double QTrajectoryTraceComponentAttribute::GetTailDuration() const {
@@ -582,7 +588,7 @@ void QTrajectoryTraceComponentAttribute::SetVisible(bool visible) {
         return;
     }
 
-    object_->SetTraceVisible(visible);
+    object_->SetAttribute("visible", visible ? "true" : "false");
 }
 
 bool QTrajectoryTraceComponentAttribute::IsVisible() const {
@@ -598,7 +604,7 @@ void QTrajectoryTraceComponentAttribute::SetDashed(bool dashed) {
         return;
     }
 
-    object_->SetDashed(dashed);
+    object_->SetAttribute("dashed", dashed ? "true" : "false");
 }
 
 bool QTrajectoryTraceComponentAttribute::IsDashed() const {
@@ -614,7 +620,8 @@ void QTrajectoryTraceComponentAttribute::SetDashLength(double length) {
         return;
     }
 
-    object_->SetDashLength(length);
+    const std::string value = std::to_string(length);
+    object_->SetAttribute("dashLength", value.c_str());
 }
 
 double QTrajectoryTraceComponentAttribute::GetDashLength() const {
@@ -630,7 +637,8 @@ void QTrajectoryTraceComponentAttribute::SetGapLength(double length) {
         return;
     }
 
-    object_->SetGapLength(length);
+    const std::string value = std::to_string(length);
+    object_->SetAttribute("gapLength", value.c_str());
 }
 
 double QTrajectoryTraceComponentAttribute::GetGapLength() const {
@@ -646,7 +654,8 @@ void QTrajectoryTraceComponentAttribute::SetDashScrollSpeed(double speed) {
         return;
     }
 
-    object_->SetDashScrollSpeed(speed);
+    const std::string value = std::to_string(speed);
+    object_->SetAttribute("dashScrollSpeed", value.c_str());
 }
 
 double QTrajectoryTraceComponentAttribute::GetDashScrollSpeed() const {
diff --git a/src/viewer/OsgWidget.cpp b/src/viewer/OsgWidget.cpp
index 45983ea3..58fec6b2 100644
--- a/src/viewer/OsgWidget.cpp
+++ b/src/viewer/OsgWidget.cpp
@@ -23,7 +23,6 @@
 #include "scene/OEScene.h"
 #include "workspace/WorkSpaceManager.h"
 #include "workspace/WorkSpace.h"
-#include "scutcheon/osgScutcheon.h"
 #include "workspace/PresetModelConfigParser.h"
 
 #include "entities/EntitiesManager.h"