Generally speaking, it is recommended to report directly to the class for training, because there are many uncertain factors in self-study. First, self-study without a plan may end up wasting time and energy, and the result is not satisfactory. In addition, self-study will be very difficult when it encounters problems that cannot be solved. Finally, the time line of self-study is too long and there is no actual combat experience. It is difficult for self-study to reach the height of employment. Therefore, it is recommended that the small partners of zero-based software testing directly report to the class for training.