QGraphicsTextItem Paint()

[goldhappywang]

hello, I overrided the paint() in the class QGraphicsTextItem
the Code

void Tag::paint(QPainter *item,const QStyleOptionGraphicsItem *option,QWidget *widget)
{
        QRectF rect = boundingRect();
        item->drawRect(rect);
}

void Tag::paint(QPainter *item,const QStyleOptionGraphicsItem *option,QWidget *widget)
{
        QRectF rect = boundingRect();
        item->drawRect(rect);
}

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but the rect only display the top and left frame lines
the bottom and right frame lines disappear

thanks