diff --git a/ParkingLotWidget.cpp b/ParkingLotWidget.cpp
index 0919f9d..b73c5f9 100644
--- a/ParkingLotWidget.cpp
+++ b/ParkingLotWidget.cpp
@@ -19,11 +19,6 @@ ParkingLotWidget::ParkingLotWidget(QWidget *parent, const QString& xml) : QWidge
 }
 
 
-void ParkingLotWidget::paintEvent(QPaintEvent * event)
-{
-    event->ignore();
-}
-
 int ParkingLotWidget::addSpace(ParkingSpaceWidget *sp)
 {
     m_spaceList.push_back(sp);
diff --git a/ParkingLotWidget.h b/ParkingLotWidget.h
index 91585a5..6952e45 100644
--- a/ParkingLotWidget.h
+++ b/ParkingLotWidget.h
@@ -18,8 +18,6 @@ public:
 	~ParkingLotWidget();
     QString getName() const;
 
-protected:
-    void paintEvent(QPaintEvent* event) override;
 private:
     std::vector<ParkingSpaceWidget*> m_spaceList;
     void parse_xml(const QString& xml);
diff --git a/ParkingSpaceWidget.cpp b/ParkingSpaceWidget.cpp
index 0dbd9e0..fbaf14b 100644
--- a/ParkingSpaceWidget.cpp
+++ b/ParkingSpaceWidget.cpp
@@ -57,7 +57,7 @@ QBoxLayout *ParkingSpaceWidget::makeParkingSapceGroup(ParkingLotWidget* parent,
 	return layout;
 }
 
-void ParkingSpaceWidget::paintEvent(QPaintEvent * event)
+void ParkingSpaceWidget::paintEvent(QPaintEvent * )
 {
 	QPainter painter(this);
     painter.setPen(Qt::black);
diff --git a/ParkingSpaceWidget.h b/ParkingSpaceWidget.h
index 8539d4b..9d4e651 100644
--- a/ParkingSpaceWidget.h
+++ b/ParkingSpaceWidget.h
@@ -15,7 +15,7 @@ public:
     static QBoxLayout*  makeParkingSapceGroup(ParkingLotWidget* parent, const QString& dir, int n, const QString &expend);
 	~ParkingSpaceWidget();
 protected:
-    void paintEvent(QPaintEvent* event) override;
+    void paintEvent(QPaintEvent* ) override;
 private:
     int number;
 	direction dir;