diff --git a/diagramCavas/include/baseDrawingPanel.h b/diagramCavas/include/baseDrawingPanel.h
index 66efcdf..90d8094 100644
--- a/diagramCavas/include/baseDrawingPanel.h
+++ b/diagramCavas/include/baseDrawingPanel.h
@@ -62,7 +62,7 @@ protected:
     DesignerScene*    m_pGraphicsScene;
     SelectorManager*  m_pSelectorManager;
     StatusBar*        m_pStatusBar;
-    QPointer<FixedPortsModel>  _pModel;
+    FixedPortsModel*  _pModel;
     DiagramMode       _mode;
     QString           _name;
     PowerEntity*      _pEntity;         //组态图拓扑对象
diff --git a/diagramCavas/include/graphicsDataModel/fixedPortsModel.h b/diagramCavas/include/graphicsDataModel/fixedPortsModel.h
index 984c6d0..b4b24b3 100644
--- a/diagramCavas/include/graphicsDataModel/fixedPortsModel.h
+++ b/diagramCavas/include/graphicsDataModel/fixedPortsModel.h
@@ -63,6 +63,7 @@ public:
     QWidget* getTopWidget();
     QPointF getTerminalPos(const QString& sTerminalId);         //获取拓扑接线点在当前diagram中的位置
     ElectricConnectLineItem* getLineItemById(const QString& terminalId);
+    void updateItemLinePort(QUuid,ModelFunctionType);       //刷新连接item的线端点位置
 
     void showModelDlg(const QString&,QUuid,GraphicsProjectModelItem*);    //点击时显示指定模型的dlg、指定item的数据(模型名，对象Uuid,触发事件的item)
     void initialPropertyDlg();        //初始化属性设置dlg，每个模型拥各自的dlg
@@ -153,6 +154,7 @@ public Q_SLOTS:
     void onSignal_generateDiagram(const QString&);      //生成工程组态信号
     void onSignal_openBayManager();
     void onDataTimerOut();
+    void onSelectionChanged();
 private:
     void addPortsToItem_json(PortState,QJsonArray,GraphicsProjectModelItem*);         //将json格式的port添加到item
     void autoSetModelName(GraphicsBaseModelItem*);      //如果此页的工程模已被设置，将projectName更新到item
diff --git a/diagramCavas/include/graphicsItem/electricConnectLineItem.h b/diagramCavas/include/graphicsItem/electricConnectLineItem.h
index 3b4c637..9642b52 100644
--- a/diagramCavas/include/graphicsItem/electricConnectLineItem.h
+++ b/diagramCavas/include/graphicsItem/electricConnectLineItem.h
@@ -18,14 +18,26 @@ public:
     QPainterPath getPoints(void) const { return m_points; }
 
     void moveLine(QPointF);             //鼠标点击拖动
-    void calculatePath();
     void resetCurLine(){_curLine = QPoint();}
+    void calculatePath();
+    void generateAvoidancePath(const QPointF& start, const QPointF& end,const QList<QRectF>& obstacleShapes);   // 使用形状进行避障
+    double calculatePathLength(const QList<QPointF>& path);
+    bool lineIntersectsRect(const QLineF& line, const QRectF& rect);
+    bool isSegmentSafe(const QPointF& p1, const QPointF& p2,const QList<QRectF>& components);
+    bool isPathSafe(const QList<QPointF>& path,const QList<QRectF>& components);
+    bool segmentPenetratesComponent(const QLineF& segment,const QRectF& component);
+    QRectF getTotalComponentsBounds(const QList<QRectF>& components);
+    void collectRectilinearPaths(const QPointF& start, const QPointF& end,const QList<QRectF>& components,QMultiMap<double, QList<QPointF>>& paths);
+    void addPathIfRectilinear(const QList<QPointF>& path,QMultiMap<double, QList<QPointF>>& paths);
+    void collectBypassPaths(const QPointF& start, const QPointF& end,const QList<QRectF>& components,QMultiMap<double, QList<QPointF>>& paths);
+    void generateForcedRectilinearBypass(const QPointF& start, const QPointF& end,const QList<QRectF>& components);
+    QRectF findFirstBlockingComponent(const QPointF& start, const QPointF& end,const QList<QRectF>& components);
 
-protected:
     virtual QPainterPath shape() const override;
     virtual QRectF boundingRect() const override;
     virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
-private:
+
+protected:
     void initial();
 private:
     QPainterPath        m_points;
diff --git a/diagramCavas/include/graphicsItem/graphicsBaseItem.h b/diagramCavas/include/graphicsItem/graphicsBaseItem.h
index bd09dbf..79491c1 100644
--- a/diagramCavas/include/graphicsItem/graphicsBaseItem.h
+++ b/diagramCavas/include/graphicsItem/graphicsBaseItem.h
@@ -14,6 +14,8 @@
 #include "propertyType/dataSourceType.h"
 //#include "graphicsItem/itemPort.h"
 
+class FixedPortsModel;
+
 enum ShapeType
 {
     T_undefined,
@@ -171,12 +173,35 @@ protected:
 class GraphicsBaseItem :public QObject, public AbstractShapeType<QGraphicsItem>
 {
     Q_OBJECT
- public:
+public:
+    enum RotateAngle {
+        Angle_0 = 0,
+        Angle_90 = 90,
+        Angle_180 = 180,
+        Angle_270 = 270
+    };
+    Q_ENUM(RotateAngle);
+
+    Q_PROPERTY(QString Name READ getName WRITE setName)
+    Q_PROPERTY(QPointF Position READ getPosition WRITE setPosition)
+    Q_PROPERTY(QRectF Size READ getSize WRITE setSize)
+    Q_PROPERTY(RotateAngle Rotation READ getRotateAngle WRITE setRotateAngle)
+public:
     GraphicsBaseItem(QGraphicsItem *parent);
     GraphicsBaseItem(const GraphicsBaseItem&);
     virtual ~GraphicsBaseItem();
     virtual GraphicsBaseItem* clone() const = 0;
-
+signals:
+    void itemRotated(GraphicsBaseItem*);
+public:
+    virtual QString getName() const;
+    virtual void setName(QString);
+    virtual QPointF getPosition() const;
+    virtual void setPosition(QPointF);
+    virtual QRectF getSize() const;
+    virtual void setSize(QRectF);
+    virtual RotateAngle getRotateAngle() const;
+    virtual void setRotateAngle(RotateAngle);
 public:
     int addPort(PortState typ,QPointF vec,QString id = "",HandleType hType = T_lineInOut,PortPos pos = P_top,double dXPercent = 0,double dYPercent = 0);            //新建,返回-1失败
     virtual void movePort(QString id,QPointF vec);      //移动可动点
@@ -206,6 +231,7 @@ public:
     virtual bool hasDynamicText(const QString& tag);
     virtual void setDynamicLayoutRadius(qreal radius);
     virtual QMap<QString,HandleText*> getDynamicText() {return m_mapDynamicText;}
+    void  setHandle(FixedPortsModel* p){_pHandle = p;}
 
     int collidesWithHandle(const QPointF& point)
     {
@@ -489,7 +515,10 @@ public slots:
     void onUpdateData();        //data发送的更新通知
 protected:
     void rearrangeDynamicText();    //重新设置动态数据的布局
+    QList<QRectF> getComponentCollisionRects() const;       //获取图所有碰撞矩形
+    QList<QPainterPath> getObstacleShapes() const;     //获取所有碰撞shape
 protected:
+    FixedPortsModel*   _pHandle;
     ModelProperty*       _property;
     PowerEntity*        _pEntity;                           //图元拓扑
     bool                _itemChanged;                       //图元变化标志，判断是否需要保存
@@ -543,10 +572,8 @@ class GraphicsProjectModelItem : public GraphicsBaseItem       //工程模item
 {
      Q_OBJECT
 public:
-    Q_PROPERTY(QString Name READ getName WRITE setName)
-    Q_PROPERTY(QPointF Position READ getPosition WRITE setPosition)
-    Q_PROPERTY(QRectF Size READ getSize WRITE setSize)
     Q_PROPERTY(DataSourceType DataSourceType READ getDataSourceType WRITE setDataSourceType)
+
 public:
     GraphicsProjectModelItem(QGraphicsItem *parent);
     GraphicsProjectModelItem(const GraphicsProjectModelItem&);
@@ -595,12 +622,6 @@ public:
         }
     }
 public:
-    QString getName() const;
-    void setName(QString);
-    QPointF getPosition() const;
-    void setPosition(QPointF);
-    QRectF getSize() const;
-    void setSize(QRectF);
     DataSourceType getDataSourceType() const;
     void setDataSourceType(DataSourceType);
 protected:
diff --git a/diagramCavas/include/powerConnection.h b/diagramCavas/include/powerConnection.h
index 60431ca..496f18e 100644
--- a/diagramCavas/include/powerConnection.h
+++ b/diagramCavas/include/powerConnection.h
@@ -22,6 +22,7 @@ public:
     QVariantMap properties() const { return m_properties; }
     DataState state() {return m_state;}
     void setState(DataState s) {m_state = s;}
+    void setId(QString sId){m_uuid = sId;}
 
     void setProperty(const QString& key, const QVariant& value);
 
diff --git a/diagramCavas/source/baseDrawingPanel.cpp b/diagramCavas/source/baseDrawingPanel.cpp
index d41a0e8..f029383 100644
--- a/diagramCavas/source/baseDrawingPanel.cpp
+++ b/diagramCavas/source/baseDrawingPanel.cpp
@@ -23,7 +23,7 @@ BaseDrawingPanel::BaseDrawingPanel(PowerEntity* pEntity,QWidget *parent,DiagramM
     ,_pPropertyProxy(nullptr)
 {
     _pEntity = pEntity;
-    _pModel = QPointer<FixedPortsModel>(new FixedPortsModel(pEntity));
+    _pModel = new FixedPortsModel(pEntity);
     _pModel->setTopWidget(this);
     m_pSelectorManager = new SelectorManager(_pModel,this);
     m_pGraphicsScene = new DesignerScene(_pModel,this);
@@ -36,20 +36,7 @@ BaseDrawingPanel::BaseDrawingPanel(PowerEntity* pEntity,QWidget *parent,DiagramM
     m_pGraphicsView->setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
     m_pGraphicsScene->setView(m_pGraphicsView);
     _pModel->setScene(m_pGraphicsScene);
-    connect(m_pGraphicsScene, &DesignerScene::selectionChanged, this, [&](){
-        QList<QGraphicsItem*> selectedItems = m_pGraphicsScene->selectedItems();
-        if(_pModel){
-            auto pCavas = _pModel->getCavas();
-            if(pCavas){
-                if(selectedItems.count() != 1) {
-                    _pModel->getCavas()->onTargetSelected(_pPropertyProxy);
-                    return;
-                }
-                GraphicsBaseItem *item = static_cast<GraphicsBaseItem*>(selectedItems.first());
-                _pModel->getCavas()->onTargetSelected(item);
-            }
-        }
-    });
+    connect(m_pGraphicsScene, &DesignerScene::selectionChanged, _pModel, &FixedPortsModel::onSelectionChanged);
 
     m_pStatusBar = new StatusBar(this);
     m_pStatusBar->setMaximumHeight(25);
@@ -77,8 +64,8 @@ BaseDrawingPanel::BaseDrawingPanel(PowerEntity* pEntity,QWidget *parent,DiagramM
 
 BaseDrawingPanel::~BaseDrawingPanel()
 {
-    if(_pModel)
-        delete _pModel;
+    //if(_pModel)
+    //    delete _pModel;
     if(_pPropertyProxy)
         delete _pPropertyProxy;
 }
diff --git a/diagramCavas/source/drawingPanel.cpp b/diagramCavas/source/drawingPanel.cpp
index 3f1023a..7775096 100644
--- a/diagramCavas/source/drawingPanel.cpp
+++ b/diagramCavas/source/drawingPanel.cpp
@@ -192,6 +192,7 @@ void DrawingPanel::loadNodes(QJsonObject obj)
         PowerConnection* pCon = TopologyManager::instance().connection(srcPortId.toString(),destPortId.toString());
         if(pCon)
         {
+            pCon->setId(id.toString());
             QString srcItemId = pCon->fromComponent();
             QString destItemId = pCon->toComponent();
             //todo:从拓扑结构中查找port的id
diff --git a/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp b/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp
index f1f52d0..544ef64 100644
--- a/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp
+++ b/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp
@@ -51,6 +51,7 @@
 #include "instance/dataAccessor.h"
 #include "graphicsItem/handleText.h"
 #include "bayMeasureDlg.h"
+#include "basePannelPropertyProxy.h"
 #include "global.h"
 
 bool    FixedPortsModel::_dataInitialised = false;
@@ -84,7 +85,7 @@ FixedPortsModel::FixedPortsModel(PowerEntity* pEntity)
 
 FixedPortsModel::~FixedPortsModel()
 {
-
+    _cavas.clear();
 }
 
 QMap<QUuid,itemPageInfo> FixedPortsModel::allNodePos() const
@@ -143,8 +144,18 @@ bool FixedPortsModel::addNodeItem(QUuid uuid,GraphicsProjectModelItem* pItem)
         return false;
     else
     {
+        pItem->setHandle(this);
         _nodeItem.insert(uuid,pItem);
         connect(pItem,&GraphicsProjectModelItem::ifExist,this,&FixedPortsModel::onSignal_ifExits);
+        connect(pItem,&GraphicsBaseItem::itemRotated,this,[this](GraphicsBaseItem* pBase){
+            if(pBase){
+                auto pPro = pBase->getProperty();
+                QUuid uid = pPro->uuid();
+                if(pPro->type() != 8){      //排除线
+                    updateItemLinePort(uid,ModelFunctionType::ProjectModel);
+                }
+            }
+        });
         return true;
     }
 }
@@ -645,10 +656,18 @@ QString FixedPortsModel::addNodeItem(QUuid id,QPointF pos,double width,double he
                 item->addPoint(pos);
                 item->setProperty(pro);         //绑定模型
                 item->updateByProperty();       //使用模型更新自身
-                //QString sModel = _projectModelName.value(id.toString());
-                //item->setModelName(sModel);
+                item->setHandle(this);
                 _nodeItem.insert(id,item);
                 connect(item,&GraphicsProjectModelItem::ifExist,this,&FixedPortsModel::onSignal_ifExits);
+                connect(item,&GraphicsBaseItem::itemRotated,this,[this](GraphicsBaseItem* pBase){
+                    if(pBase){
+                        auto pPro = pBase->getProperty();
+                        QUuid uid = pPro->uuid();
+                        if(pPro->type() != 8){      //排除线
+                            updateItemLinePort(uid,ModelFunctionType::ProjectModel);
+                        }
+                    }
+                });
             }
             return pro->name();
         }
@@ -1610,6 +1629,19 @@ void FixedPortsModel::onDataTimerOut()
     }
 }
 
+void FixedPortsModel::onSelectionChanged()
+{
+    QList<QGraphicsItem*> selectedItems = _scene->selectedItems();
+        if(_cavas){
+            if(selectedItems.count() != 1) {
+                _cavas->onTargetSelected(_widget->getPropertyProxy());
+                return;
+            }
+            GraphicsBaseItem *item = static_cast<GraphicsBaseItem*>(selectedItems.first());
+            _cavas->onTargetSelected(item);
+    }
+}
+
 void FixedPortsModel::startHttpRequest()
 {
     if(_timer)
@@ -1794,6 +1826,31 @@ ElectricConnectLineItem* FixedPortsModel::getLineItemById(const QString& termina
     return nullptr;
 }
 
+void FixedPortsModel::updateItemLinePort(QUuid uid,ModelFunctionType type)
+{
+    QList<PowerConnection*> lstCon = TopologyManager::instance().getConnectionsFor(uid.toString(),type);        //获取item的所有连接
+    for(auto &pCon:lstCon){
+        QString baseFromComponentId = pCon->fromComponent();
+        QString baseToComponentId = pCon->toComponent();
+        QString baseFromTerId = pCon->fromTerminalId();
+        QString baseToTerId = pCon->toTerminalId();
+
+        auto pLine = static_cast<ElectricConnectLineItem*>(nodeItem(QUuid(pCon->id())));
+        if(pLine){
+            if(uid.toString() == baseFromComponentId){
+                QPointF posFrom = getTerminalPos(baseFromTerId);
+                pLine->setStartPoint(posFrom);
+                pLine->calculatePath();
+            }
+            else if(uid.toString() == baseToComponentId){
+                QPointF posTo = getTerminalPos(baseToTerId);
+                pLine->setEndPoint(posTo);
+                pLine->calculatePath();
+            }
+        }
+    }
+}
+
 void FixedPortsModel::showModelDlg(const QString& sName,QUuid uuid,GraphicsProjectModelItem* pItem)
 {
     modelStateInfo stateInfo = _modelStateInfo[sName];
diff --git a/diagramCavas/source/graphicsItem/electricConnectLineItem.cpp b/diagramCavas/source/graphicsItem/electricConnectLineItem.cpp
index 0f23c35..7439144 100644
--- a/diagramCavas/source/graphicsItem/electricConnectLineItem.cpp
+++ b/diagramCavas/source/graphicsItem/electricConnectLineItem.cpp
@@ -352,47 +352,341 @@ void ElectricConnectLineItem::moveLine(QPointF pos)
 
 void ElectricConnectLineItem::calculatePath()
 {
-    int n = m_lstPoints.size();
-    /*for(int i = 0;i < n-1;++i)
-    {
-        if(m_lstPoints[i] == m_lstPoints[i+1])
-        {
-            if(i == 0)      //头重复去除一个
-            {
-                m_lstPoints.removeAt(i+1);
-            }
-            else if((i+1 == n-1))       //尾重复去除一个
-            {
-                m_lstPoints.removeAt(i+1);
-            }
-            else
-            {
-                m_lstPoints.removeAt(i+1);
-                m_lstPoints.removeAt(i);
-            }
-            qDebug()<<"reset";
-            resetCurLine();
-            break;
-        }
-    }*/
-    prepareGeometryChange();
-    m_points.clear();
-    m_pointsBoundingRect.clear();
+    if (m_lstPoints.size() < 2) return;
 
-    if(m_lstPoints.size() == 2 && (m_lstPoints.first().x() != m_lstPoints.last().x()) && (m_lstPoints.first().y() != m_lstPoints.last().y()))
-    {
-        if(m_lstPoints.first().y() < m_lstPoints.last().y())
-            m_lstPoints.insert(1,QPointF(m_lstPoints.first().x(),m_lstPoints.last().y()));
-        else
-            m_lstPoints.insert(1,QPointF(m_lstPoints.last().x(),m_lstPoints.first().y()));
+    QPointF start = m_lstPoints.first();
+    QPointF end = m_lstPoints.last();
+
+    qDebug() << "\n=== calculatePath ===";
+    qDebug() << "Start:" << start << "End:" << end;
+
+    // 创建新路径
+    m_points = QPainterPath();
+    m_points.moveTo(start);
+    qDebug() << "Initialized path, current position:" << m_points.currentPosition();
+
+    // 获取元件
+    QList<QRectF> components = getComponentCollisionRects();
+    qDebug() << "Found" << components.size() << "components";
+
+    // 检查起点终点距离
+    qDebug() << "Distance:" << QLineF(start, end).length();
+
+    // 如果距离很近，直接连接
+    if (QLineF(start, end).length() < 10) {
+        qDebug() << "Points are very close, direct connection";
+        m_points.lineTo(end);
+    } else {
+        // 生成路径
+        generateAvoidancePath(start, end, components);
     }
-    m_points.moveTo(m_lstPoints.first());
-    QPointF pLast = m_lstPoints.first();
-    for(int i = 1;i <m_lstPoints.size();++i)
-    {
-        m_points.lineTo(m_lstPoints[i]);
-        m_pointsBoundingRect.addRect(QRectF(QPointF(pLast.x()-1,pLast.y()-1),QPointF(m_lstPoints[i].x()+1,m_lstPoints[i].y()+1)));
-        pLast = m_lstPoints[i];
+
+    // 验证路径
+    qDebug() << "After generation - Path element count:" << m_points.elementCount();
+    qDebug() << "After generation - Current position:" << m_points.currentPosition();
+
+    if (m_points.elementCount() <= 1) {
+        qWarning() << "Path has only" << m_points.elementCount() << "elements! Adding direct line";
+        m_points.lineTo(end);
     }
+
+    // 确保路径结束于终点
+    if (m_points.currentPosition() != end) {
+        qWarning() << "Path does not end at destination! Adding final segment";
+        qDebug() << "Expected end:" << end << "Actual end:" << m_points.currentPosition();
+        m_points.lineTo(end);
+    }
+
+    update();
     m_boundingRect = m_points.boundingRect();
+    prepareGeometryChange();
+
+    qDebug() << "Final path bounds:" << m_boundingRect;
+    qDebug() << "=== calculatePath end ===\n";
 }
+
+// 使用形状进行避障
+void ElectricConnectLineItem::generateAvoidancePath(const QPointF& start, const QPointF& end,
+                                                              const QList<QRectF>& components)
+{
+    qDebug() << "=== generateAvoidancePath (rectilinear) ===";
+
+    m_points = QPainterPath();
+    m_points.moveTo(start);
+
+    // 生成候选路径列表，按长度排序
+    QMultiMap<double, QList<QPointF>> candidatePaths;
+
+    // 1. 收集所有可能的直角路径
+    collectRectilinearPaths(start, end, components, candidatePaths);
+
+    // 2. 选择最短的安全路径
+    for (auto it = candidatePaths.begin(); it != candidatePaths.end(); ++it) {
+        const QList<QPointF>& path = it.value();
+
+        if (isPathSafe(path, components)) {
+            qDebug() << "  Selected path with length" << it.key() << ":" << path;
+
+            // 绘制路径
+            for (int i = 1; i < path.size(); i++) {
+                m_points.lineTo(path[i]);
+            }
+            return;
+        }
+    }
+
+    // 3. 所有路径都失败，使用强制绕行
+    qDebug() << "  All rectilinear paths failed, using forced bypass";
+    generateForcedRectilinearBypass(start, end, components);
+}
+
+// 计算路径长度
+double ElectricConnectLineItem::calculatePathLength(const QList<QPointF>& path)
+{
+    double length = 0;
+    for (int i = 0; i < path.size() - 1; i++) {
+        length += QLineF(path[i], path[i+1]).length();
+    }
+    return length;
+}
+
+
+// 单一线段与矩形相交检测
+bool ElectricConnectLineItem::lineIntersectsRect(const QLineF& line, const QRectF& rect)
+{
+    // 检查端点是否在矩形内
+    if (rect.contains(line.p1()) || rect.contains(line.p2())) {
+        return true;
+    }
+
+    // 检查是否与矩形的边相交
+    QLineF edges[4] = {
+        QLineF(rect.topLeft(), rect.topRight()),
+        QLineF(rect.topRight(), rect.bottomRight()),
+        QLineF(rect.bottomRight(), rect.bottomLeft()),
+        QLineF(rect.bottomLeft(), rect.topLeft())
+    };
+
+    QPointF intersection;
+    for (int i = 0; i < 4; i++) {
+        if (line.intersects(edges[i], &intersection) == QLineF::BoundedIntersection) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// 辅助方法实现
+bool ElectricConnectLineItem::isSegmentSafe(const QPointF& p1, const QPointF& p2,
+                                            const QList<QRectF>& components)
+{
+    QLineF segment(p1, p2);
+
+    for (const QRectF& component : components) {
+        if (segmentPenetratesComponent(segment, component)) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool ElectricConnectLineItem::isPathSafe(const QList<QPointF>& path,
+                                         const QList<QRectF>& components)
+{
+    for (int i = 0; i < path.size() - 1; i++) {
+        if (!isSegmentSafe(path[i], path[i+1], components)) {
+            return false;
+        }
+    }
+    return true;
+}
+
+// 检查线段是否穿透元件
+bool ElectricConnectLineItem::segmentPenetratesComponent(const QLineF& segment,
+                                                         const QRectF& component)
+{
+    // 检查线段端点是否在元件内
+    bool p1Inside = component.contains(segment.p1());
+    bool p2Inside = component.contains(segment.p2());
+
+    if (p1Inside && p2Inside) {
+        // 线段完全在元件内
+        return true;
+    }
+
+    // 获取与元件的交点
+    int intersectionCount = 0;
+    QLineF edges[4] = {
+        QLineF(component.topLeft(), component.topRight()),
+        QLineF(component.topRight(), component.bottomRight()),
+        QLineF(component.bottomRight(), component.bottomLeft()),
+        QLineF(component.bottomLeft(), component.topLeft())
+    };
+
+    QPointF intersection;
+    for (int i = 0; i < 4; i++) {
+        if (segment.intersects(edges[i], &intersection) == QLineF::BoundedIntersection) {
+            intersectionCount++;
+        }
+    }
+
+    // 如果线段与元件有2个或更多交点，说明穿透了元件
+    return intersectionCount >= 2;
+}
+
+// 获取所有元件的总边界
+QRectF ElectricConnectLineItem::getTotalComponentsBounds(const QList<QRectF>& components)
+{
+    if (components.isEmpty()) {
+        return QRectF();
+    }
+
+    QRectF total = components.first();
+    for (int i = 1; i < components.size(); i++) {
+        total = total.united(components[i]);
+    }
+
+    return total;
+}
+
+// 收集所有可能的直角路径
+void ElectricConnectLineItem::collectRectilinearPaths(const QPointF& start, const QPointF& end,
+                                                      const QList<QRectF>& components,
+                                                      QMultiMap<double, QList<QPointF>>& paths)
+{
+    // 2段路径
+    QPointF turn1(start.x(), end.y());  // 水平-垂直
+    QPointF turn2(end.x(), start.y());  // 垂直-水平
+
+    addPathIfRectilinear({start, turn1, end}, paths);
+    addPathIfRectilinear({start, turn2, end}, paths);
+
+    // 3段路径
+    double midX = (start.x() + end.x()) / 2;
+    double midY = (start.y() + end.y()) / 2;
+
+    // 水平-垂直-水平
+    addPathIfRectilinear({start,
+                          QPointF(start.x(), midY),
+                          QPointF(end.x(), midY),
+                          end}, paths);
+
+    // 垂直-水平-垂直
+    addPathIfRectilinear({start,
+                          QPointF(midX, start.y()),
+                          QPointF(midX, end.y()),
+                          end}, paths);
+
+    // 4段路径（绕行）
+    collectBypassPaths(start, end, components, paths);
+}
+
+// 添加路径（如果是直角）
+void ElectricConnectLineItem::addPathIfRectilinear(const QList<QPointF>& path,
+                                                   QMultiMap<double, QList<QPointF>>& paths)
+{
+    // 检查是否所有线段都是水平或垂直
+    for (int i = 0; i < path.size() - 1; i++) {
+        if (path[i].x() != path[i+1].x() && path[i].y() != path[i+1].y()) {
+            return; // 不是直角
+        }
+    }
+
+    double length = calculatePathLength(path);
+    paths.insert(length, path);
+}
+
+// 收集绕行路径
+void ElectricConnectLineItem::collectBypassPaths(const QPointF& start, const QPointF& end,
+                                                 const QList<QRectF>& components,
+                                                 QMultiMap<double, QList<QPointF>>& paths)
+{
+    if (components.isEmpty()) return;
+
+    // 获取所有元件的总边界
+    QRectF totalBounds = getTotalComponentsBounds(components);
+    if (!totalBounds.isValid()) return;
+
+    const double clearance = 20.0;
+    QRectF expanded = totalBounds.adjusted(-clearance, -clearance, clearance, clearance);
+
+    // 从上方绕行
+    addPathIfRectilinear({start,
+                          QPointF(start.x(), expanded.top()),
+                          QPointF(end.x(), expanded.top()),
+                          end}, paths);
+
+    // 从下方绕行
+    addPathIfRectilinear({start,
+                          QPointF(start.x(), expanded.bottom()),
+                          QPointF(end.x(), expanded.bottom()),
+                          end}, paths);
+
+    // 从左方绕行
+    addPathIfRectilinear({start,
+                          QPointF(expanded.left(), start.y()),
+                          QPointF(expanded.left(), end.y()),
+                          end}, paths);
+
+    // 从右方绕行
+    addPathIfRectilinear({start,
+                          QPointF(expanded.right(), start.y()),
+                          QPointF(expanded.right(), end.y()),
+                          end}, paths);
+}
+
+// 强制直角绕行
+void ElectricConnectLineItem::generateForcedRectilinearBypass(const QPointF& start, const QPointF& end,
+                                                              const QList<QRectF>& components)
+{
+    qDebug() << "  In generateForcedRectilinearBypass";
+
+    // 找到阻挡的元件
+    QRectF blocking = findFirstBlockingComponent(start, end, components);
+
+    if (blocking.isValid()) {
+        qDebug() << "  Blocking component:" << blocking;
+
+        // 从上方或下方绕过
+        const double clearance = 15.0;
+        double bypassY = (start.y() < blocking.center().y()) ?
+                             blocking.top() - clearance : blocking.bottom() + clearance;
+
+        QList<QPointF> path = {start,
+                               QPointF(start.x(), bypassY),
+                               QPointF(end.x(), bypassY),
+                               end};
+
+        qDebug() << "  Forced bypass path:" << path;
+
+        for (int i = 1; i < path.size(); i++) {
+            m_points.lineTo(path[i]);
+        }
+    } else {
+        // 没有阻挡，使用简单的直角路径
+        qDebug() << "  No blocking component, using simple orthogonal path";
+        QPointF turnPoint = (qAbs(start.x() - end.x()) < qAbs(start.y() - end.y())) ?
+                                QPointF(end.x(), start.y()) : QPointF(start.x(), end.y());
+
+        m_points.lineTo(turnPoint);
+        m_points.lineTo(end);
+    }
+}
+
+// 找到第一个阻挡的元件
+QRectF ElectricConnectLineItem::findFirstBlockingComponent(const QPointF& start, const QPointF& end,
+                                                           const QList<QRectF>& components)
+{
+    QLineF line(start, end);
+
+    for (const QRectF& rect : components) {
+        if (lineIntersectsRect(line, rect)) {
+            return rect;
+        }
+    }
+
+    return QRectF();
+}
+
diff --git a/diagramCavas/source/graphicsItem/graphicsBaseItem.cpp b/diagramCavas/source/graphicsItem/graphicsBaseItem.cpp
index 8129a5a..6c121ad 100644
--- a/diagramCavas/source/graphicsItem/graphicsBaseItem.cpp
+++ b/diagramCavas/source/graphicsItem/graphicsBaseItem.cpp
@@ -3,6 +3,7 @@
 #include "graphicsItem/handleText.h"
 #include "graphicsItem/itemPort.h"
 #include "baseProperty.h"
+#include "graphicsDataModel/fixedPortsModel.h"
 #include "dataBase.h"
 #include <QGraphicsScene>
 #include <QJsonArray>
@@ -13,6 +14,7 @@ GraphicsBaseItem::GraphicsBaseItem(QGraphicsItem *parent)
     : AbstractShapeType<QGraphicsItem>(parent)
     ,_property(nullptr)
     ,_pEntity(nullptr)
+    ,_pHandle(nullptr)
 {
     m_type = T_item;
     _itemChanged = false;
@@ -69,6 +71,69 @@ GraphicsBaseItem::~GraphicsBaseItem()
     }
 }
 
+QString GraphicsBaseItem::getName() const
+{
+    if(_property)
+        return _property->name();
+    return QString();
+}
+
+void GraphicsBaseItem::setName(QString str)
+{
+    if(_property)
+        _property->setName(str);
+}
+
+QPointF GraphicsBaseItem::getPosition() const
+{
+    return pos();
+}
+
+void GraphicsBaseItem::setPosition(QPointF pos)
+{
+    setPos(pos);
+}
+
+QRectF GraphicsBaseItem::getSize() const
+{
+    return m_boundingRect;
+}
+
+void GraphicsBaseItem::setSize(QRectF rec)
+{
+    prepareGeometryChange();
+    m_boundingRect = rec;
+    update();
+}
+
+GraphicsBaseItem::RotateAngle GraphicsBaseItem::getRotateAngle() const
+{
+    int nRotate = rotation();
+
+    // 标准化角度到 0-360 范围
+    nRotate = nRotate % 360;
+    if (nRotate < 0) nRotate += 360;
+
+    // 映射到最近的 90 度倍数
+    int normalized = ((nRotate + 45) / 90) * 90 % 360;
+
+    QMetaEnum metaEnum = QMetaEnum::fromType<RotateAngle>();
+
+    // 检查标准化后的角度是否是有效的枚举值
+    if (metaEnum.valueToKey(normalized) != nullptr) {
+        return static_cast<RotateAngle>(normalized);
+    }
+
+    return RotateAngle::Angle_0;
+}
+
+void GraphicsBaseItem::setRotateAngle(RotateAngle angle)
+{
+    int nAngle = static_cast<int>(angle);
+    setRotation(nAngle);
+    emit itemRotated(this);
+}
+
 int GraphicsBaseItem::addPort(PortState typ,QPointF vec,QString id,HandleType hType,PortPos pos,double dXPercent,double dYPercent)
 {
     int ntagId = -1;
@@ -321,6 +386,56 @@ void GraphicsBaseItem::rearrangeDynamicText()
         ++i;
     }
 }
+
+QList<QRectF> GraphicsBaseItem::getComponentCollisionRects() const
+{
+    QList<QRectF> lst;
+    if(_pHandle){
+        auto mapItems = _pHandle->allItems();
+        for(auto &pItem:mapItems){
+            if (pItem == this) continue;
+            ModelProperty* pPro = pItem->getProperty();
+            if(pPro){
+                if(pPro->type() == 8) continue;   //排除线
+            }
+            QRectF bounds = pItem->boundingRect();
+            bounds = pItem->mapRectToScene(bounds);
+            lst.append(bounds);
+        }
+    }
+    return lst;
+}
+
+QList<QPainterPath> GraphicsBaseItem::getObstacleShapes() const
+{
+    QList<QPainterPath> obstacles;
+
+    if (!scene()) {
+        return obstacles;
+    }
+    if(_pHandle){
+        auto mapItems = _pHandle->allItems();
+        for(auto &pItem:mapItems){
+            if (pItem == this) continue;
+            ModelProperty* pPro = pItem->getProperty();
+            if(pPro){
+                if(pPro->type() == 8) continue;   //排除线
+            }
+
+            // 获取元件的形状（考虑旋转）
+            QPainterPath shape = pItem->mapToScene(pItem->shape());
+
+            // 如果需要，可以稍微扩大形状
+            QPainterPathStroker stroker;
+            stroker.setWidth(10); // 扩大10像素作为安全距离
+            QPainterPath expandedShape = stroker.createStroke(shape);
+
+            obstacles.append(expandedShape);
+        }
+    }
+
+    return obstacles;
+}
 /********************************基模****************************************/
 GraphicsBaseModelItem::GraphicsBaseModelItem(QGraphicsItem *parent)
     :GraphicsBaseItem(parent)
@@ -580,41 +695,6 @@ void GraphicsProjectModelItem::syncRotationDataFromParent(const double& data)
         m_dSyncRotationByParent += 360;
 }
 
-QString GraphicsProjectModelItem::getName() const
-{
-    if(_property)
-        return _property->name();
-    return QString();
-}
-
-void GraphicsProjectModelItem::setName(QString str)
-{
-    if(_property)
-        _property->setName(str);
-}
-
-QPointF GraphicsProjectModelItem::getPosition() const
-{
-    return pos();
-}
-
-void GraphicsProjectModelItem::setPosition(QPointF pos)
-{
-    setPos(pos);
-}
-
-QRectF GraphicsProjectModelItem::getSize() const
-{
-    return m_boundingRect;
-}
-
-void GraphicsProjectModelItem::setSize(QRectF rec)
-{
-    prepareGeometryChange();
-    m_boundingRect = rec;
-    update();
-}
-
 DataSourceType GraphicsProjectModelItem::getDataSourceType() const
 {
     return _sourceType;
diff --git a/diagramCavas/source/monitorPanel.cpp b/diagramCavas/source/monitorPanel.cpp
index cd9e8b0..ae138af 100644
--- a/diagramCavas/source/monitorPanel.cpp
+++ b/diagramCavas/source/monitorPanel.cpp
@@ -229,6 +229,7 @@ void MonitorPanel::loadNodes(QJsonObject obj)
         PowerConnection* pCon = TopologyManager::instance().connection(srcPortId.toString(),destPortId.toString());
         if(pCon)
         {
+            pCon->setId(id.toString());
             QString srcItemId = pCon->fromComponent();
             QString destItemId = pCon->toComponent();
             //todo:从拓扑结构中查找port的id
diff --git a/diagramCavas/source/util/linkMovingSelector.cpp b/diagramCavas/source/util/linkMovingSelector.cpp
index da1b249..30a0850 100644
--- a/diagramCavas/source/util/linkMovingSelector.cpp
+++ b/diagramCavas/source/util/linkMovingSelector.cpp
@@ -40,8 +40,8 @@ void LinkMovingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, Designe
     }
     else
     {
-        if(m_pMovingLine)
-            m_pMovingLine->moveLine(ms_ptMouseLast);
+        //if(m_pMovingLine)
+            //m_pMovingLine->moveLine(ms_ptMouseLast);      //暂时屏蔽移动线 260204
     }
 
 }
diff --git a/include/mainwindow.h b/include/mainwindow.h
index e5e9e04..74cd90c 100644
--- a/include/mainwindow.h
+++ b/include/mainwindow.h
@@ -57,6 +57,7 @@ private slots:
 
     void onAction_createEditor();
     void onAction_unloadEditor(const QString&);
+    void onCavasItemSelected(QObject*);
 public:
     GraphicElementsPanel*   graphicsElementsPanel() const;
 
diff --git a/source/mainwindow.cpp b/source/mainwindow.cpp
index 3870f87..fc10028 100644
--- a/source/mainwindow.cpp
+++ b/source/mainwindow.cpp
@@ -143,9 +143,7 @@ void CMainWindow::initializeDockUi()
     m_pPropertiesEditorView->setObject(m_pDiagramCavas);
     PropertyEditorDock->setAllowedAreas(Qt::LeftDockWidgetArea|Qt::RightDockWidgetArea);
     this->addDockWidget(Qt::RightDockWidgetArea,PropertyEditorDock);
-    connect(m_pDiagramCavas,&DiagramCavas::selectTarget,this,[&](QObject* obj){
-        m_pPropertiesEditorView->setObject(obj);
-    });
+    connect(m_pDiagramCavas,&DiagramCavas::selectTarget,this,&CMainWindow::onCavasItemSelected);
 }
 
 void CMainWindow::initializeAction()
@@ -356,6 +354,12 @@ void CMainWindow::onAction_unloadEditor(const QString& str)
     m_pDiagramCavas->onSignal_unloadProject(str);
 }
 
+void CMainWindow::onCavasItemSelected(QObject* obj)
+{
+    if(m_pPropertiesEditorView)
+        m_pPropertiesEditorView->setObject(obj);
+}
+
 GraphicElementsPanel*  CMainWindow::graphicsElementsPanel() const
 {
     if(m_pGraphicElementsPanel)