I don't think it's worth it Generally speaking, it is better to take part in training in your spare time. If you quit your job and attend the training, can you guarantee to find a better job after attending the training? What's more, the technical content of CAD training is not very high, and it is not enough to engage in drawing industry in the future. Generally speaking, a cartographer needs to know CAD, PS and 3D, so it is better to take part in training in his spare time. It is not too late to find a good job after training and resign.