Fix mac window mistakes

SineStriker

2023-12-16 abdad66bae077da6c3480db457beb47df5eda813

 examples/mainwindow/main.cpp

@@ -21,7 +21,7 @@

#ifdef Q_OS_WINDOWS
    a.setFont([]() {
        QFont f("Microsoft YaHei");
        QFont f(QStringLiteral("Microsoft YaHei UI"));
        f.setPixelSize(15);
        return f;
    }());