connect: No such slot

Added after 29 minutes: When i was debugging i noticed sometihng like that on connect line ; Object::connect: No such signal QThread::completed

class A : QObject { Q_OBJECT public: A(); private slots: void onRefres(); }； 但编译报错，Object::connect: No such slot，难道此类还没有

sea world slot png class A : QObject { Q_OBJECT public: A(); private slots: void onRefres(); }； 但编译报错，Object::connect: No such slot，难道此类还没有

eyecon slot sites TQObject::Connect(Channel, AlarmOn(), HandlerClass, handler Such slot will be activated without passing parameters to it To set default