[3.0 beta] How to report a bug?

version: 3.0 beta

title: If I modify the resolution in main.cpp to certain resolution like below

eglView.init(“Hello Cpp”, 640, 1136);

In CCMenu::getItemForTouch cannot get selectedItem (return nullptr)

_selectedItem = this->getItemForTouch(touch)

It will be fine if I changed into

eglView.init(“Hello Cpp”, 640, 960);
or the original one