Has been my WDA are learning, so I have a headache, I do not learn from the person is chosen to learn it well, performance has been put up, every time the examination is belongs to the fraction of it is lowest, and it is not my learning the right way. Later, I have a classmate to introduce design courses WDA, she was in the design courses WDA study before, the effect is very obvious. I will go to the WDA design courses understood, found really good, and reported to the WDA design courses, their design is not the same as the method is not the same, soon my performance is significantly improved, slowly to now, my achievement has been very good, thank you very much WDA design courses, very cattle.