内部错误:psymtab中读取的pc 0x0，而不是symtab。在尝试实现简单的MVC时，QT中的错误。

I'm trying to implement a simple MVC in QT. The goal is to have a single rendering widget, a model, and a controller. The controller will be an abstract base class with a "render" method, so each controller knows how to draw its model given something to paint on. I've built a very simple sample of what I'm trying to accomplish, but when debugging, the following error is displayed almost immediately:I'm trying to implement a simple MVC in QT. The