1 files changed, 1 insertions, 1 deletions
diff --git a/Swift/QtUI/Whiteboard/GView.h b/Swift/QtUI/Whiteboard/GView.h
index 396e381..4af5a53 100644
--- a/Swift/QtUI/Whiteboard/GView.h
+++ b/Swift/QtUI/Whiteboard/GView.h
@@ -30,7 +30,7 @@ namespace Swift {
     public:
         enum Mode {    Rubber, Line, Rect, Circle, HandLine, Text, Polygon, Select };
         enum Type { New, Update, MoveUp, MoveDown };
-        GView(QGraphicsScene* scene, QWidget* parent = 0);
+        GView(QGraphicsScene* scene, QWidget* parent = nullptr);
         void setLineWidth(int i);
         void setLineColor(QColor color);
         QColor getLineColor();