diff --git a/include/graphicsItem/graphicsBusSectionItem.h b/include/graphicsItem/graphicsBusSectionItem.h
index a34c45f..8d351bd 100644
--- a/include/graphicsItem/graphicsBusSectionItem.h
+++ b/include/graphicsItem/graphicsBusSectionItem.h
@@ -6,7 +6,7 @@
 class GraphicsBusSectionItem : public GraphicsBaseItem
 {
 public:
-    explicit GraphicsBusSectionItem(QGraphicsItem *parent = nullptr);
+    explicit GraphicsBusSectionItem(const QRect &rect, QGraphicsItem *parent = nullptr);
     virtual ~GraphicsBusSectionItem();
 
     void resize(int, double, double, const QPointF&) override;
diff --git a/source/graphicsItem/graphicsBusSectionItem.cpp b/source/graphicsItem/graphicsBusSectionItem.cpp
index 0220339..ee79cef 100644
--- a/source/graphicsItem/graphicsBusSectionItem.cpp
+++ b/source/graphicsItem/graphicsBusSectionItem.cpp
@@ -3,15 +3,15 @@
 #include <QPainter>
 #include <QStyleOption>
 
-GraphicsBusSectionItem::GraphicsBusSectionItem(QGraphicsItem *parent)
+GraphicsBusSectionItem::GraphicsBusSectionItem(const QRect &rect, QGraphicsItem *parent)
     : GraphicsBaseItem(parent), m_dRatioX(1 / 10.0), m_dRatioY(1 / 10.0)
 {
     m_pen = QPen(Qt::blue, 2);
     m_brush = QBrush(QColor(100, 150, 255, 50));
-    m_lastBoudingRect = QRectF(-10, -10, 20, 20);
-    m_boundingRect = QRectF(-10, -10, 20, 20);
-    m_dWidth = 20;
-    m_dHeight = 20;
+    m_lastBoudingRect = rect;
+    m_boundingRect = rect;
+    m_dWidth = rect.width();
+    m_dHeight = rect.height();
 }
 
 GraphicsBusSectionItem::~GraphicsBusSectionItem()
diff --git a/source/util/creatingSelector.cpp b/source/util/creatingSelector.cpp
index ce6dca5..9544c9d 100644
--- a/source/util/creatingSelector.cpp
+++ b/source/util/creatingSelector.cpp
@@ -53,7 +53,7 @@ void CreatingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, Designer
         case GIT_busSection:
         {
             m_creatingMethod = CM_drag;
-            m_pCreatingItem = new GraphicsBusSectionItem();
+            m_pCreatingItem = new GraphicsBusSectionItem(QRect(-2, -2, 4, 4));
         }
         break;
         default: