diff --git a/ParkingSpaceWidget.cpp b/ParkingSpaceWidget.cpp
index 60071d4..7f0cbc1 100644
--- a/ParkingSpaceWidget.cpp
+++ b/ParkingSpaceWidget.cpp
@@ -61,7 +61,7 @@ void ParkingSpaceWidget::paintEvent(QPaintEvent *)
 {
 	QPainter painter(this);
     painter.setPen(Qt::black);
-    // painter.drawText(20, 25, QString::number(number));
+    painter.drawText(20, 25, QString::number(number));
     QString p;
     p.append(QString::number(pos().x()));
     p.append(",");
@@ -69,7 +69,7 @@ void ParkingSpaceWidget::paintEvent(QPaintEvent *)
 
 	painter.setPen(Qt::white);
 	painter.setBrush(Qt::white);
-    painter.save();
+    //painter.save();
 	painter.translate(30, 20);
 	switch (dir) {
 	case E:
@@ -92,9 +92,9 @@ void ParkingSpaceWidget::paintEvent(QPaintEvent *)
 	painter.setBrush(Qt::NoBrush);
 	painter.drawRect(0, 0, this->width() - 1, this->height() - 1);*/
 
-    painter.restore();
-    painter.setPen(Qt::black);
-    painter.drawText(0, 25, p);
+    //painter.restore();
+    //painter.setPen(Qt::black);
+    //painter.drawText(0, 25, p);
     painter.end();
 }
 
diff --git a/Road.cpp b/Road.cpp
index beb6f74..cfac996 100644
--- a/Road.cpp
+++ b/Road.cpp
@@ -44,9 +44,9 @@ void Road::paintEvent(QPaintEvent * event)
 			y += 50;
 		}
 	}
-    painter.setPen(Qt::red);
-    painter.setBrush(Qt::NoBrush);
-    painter.drawRect(0, 0, width() - 1, height() - 1);
+    //painter.setPen(Qt::red);
+    //painter.setBrush(Qt::NoBrush);
+    //painter.drawRect(0, 0, width() - 1, height() - 1);
 }
 
 Road::~Road()
diff --git a/monitor.cpp b/monitor.cpp
index 927c838..06a4d83 100644
--- a/monitor.cpp
+++ b/monitor.cpp
@@ -31,7 +31,3 @@ Monitor::~Monitor()
 {
     delete ui;
 }
-
-
-
-
diff --git a/parkingLotManager.cpp b/parkingLotManager.cpp
index c8fd9e1..9af4e0b 100644
--- a/parkingLotManager.cpp
+++ b/parkingLotManager.cpp
@@ -90,7 +90,7 @@ void ParkingLotManager::drawPath(uint n1, uint n2)
 {
     Path *p = m_graph[1]->finaPath(ParkingLotGraph::Node::Type::space, n1,
                                    ParkingLotGraph::Node::Type::space, n2);
-    for(uint i = 1; i < p->size(); i++) {
+    for(int i = 1; i < p->pointsCount(); i++) {
         QLineF line(p->getPoint(i-1).point, p->getPoint(i).point);
         m_scene->addLine(line);
     }
diff --git a/parkinglotgraph.cpp b/parkinglotgraph.cpp
index b1fec40..3d5dba9 100644
--- a/parkinglotgraph.cpp
+++ b/parkinglotgraph.cpp
@@ -23,7 +23,7 @@ QPoint toCenter(const QWidget* w) {
     return p;
 }
 
-ParkingLotGraph::ParkingLotGraph(const ParkingLotWidget* pk)
+ParkingLotGraph::ParkingLotGraph(const ParkingLotWidget* pkl): pk(pkl)
 {
     QVector<ParkingSpaceWidget*> spaces = pk->getSpaceList();
     QVector<Road*> roads = pk->getRoadList();
@@ -197,8 +197,38 @@ Path *ParkingLotGraph::finaPath(ParkingLotGraph::Node::Type t1, uint n1, Parking
     uint n = id2;
     while (n != id1) {
         path->addPoint(0, *(new PathPoint(QPointF(m_all[n]->data), 0)));
+        QPoint tp;
+        if (m_all[n]->type == Node::Type::space) {
+            ParkingSpaceWidget* space = pk->getSpaceList().at(m_all[n]->number - 1);
+            switch (space->getDir()) {
+            case ParkingSpaceWidget::direction::E:
+            case ParkingSpaceWidget::direction::W:
+                tp.setX(m_all[prev[n]]->data.x());
+                tp.setY(m_all[n]->data.y());
+                break;
+            case ParkingSpaceWidget::direction::N:
+            case ParkingSpaceWidget::direction::S:
+                tp.setX(m_all[n]->data.x());
+                tp.setY(m_all[prev[n]]->data.y());
+                break;
+            }
+        } else if (m_all[n]->type == Node::Type::road) {
+            Road* road = pk->getRoadList().at(m_all[n]->number - 1);
+            switch(road->getDir()) {
+            case Road::direction::horizontal:
+                tp.setX(m_all[prev[n]]->data.x());
+                tp.setY(m_all[n]->data.y());
+                break;
+            case Road::direction::vertical:
+                tp.setX(m_all[n]->data.x());
+                tp.setY(m_all[prev[n]]->data.y());
+                break;
+            }
+        }
+        path->addPoint(0, PathPoint(QPointF(tp), 0));
         n = prev[n];
     }
+    path->addPoint(0, PathPoint(QPointF(m_all[n]->data), 0));  // 把第一个点也加进去
     return path;
 }
 
diff --git a/parkinglotgraph.h b/parkinglotgraph.h
index 1ade5ad..79ca537 100644
--- a/parkinglotgraph.h
+++ b/parkinglotgraph.h
@@ -24,7 +24,7 @@ public:
         QVector<float> weight;
         uint getId() const;
     };
-    ParkingLotGraph(const ParkingLotWidget*);
+    ParkingLotGraph(const ParkingLotWidget*pkl);
     Node* addNode(QPoint p, Node::Type t, uint n) {
         Node* no = new Node(p, t, n, m_all.size());
         m_all.push_back(no);
@@ -37,6 +37,7 @@ private:
    QVector<Node* > m_all;
    QVector<Node* > m_spaceList;
    QVector<Node* > m_roadNodeList;
+   const ParkingLotWidget* pk;
 };
 
 #endif // PARKINGLOTGRAPH_H