Time and cost can be found in the pipe network. Generally, it is strengthened in 24 class hours, and one class hour is two hours. The cost is in 800 yuan, and the quality class is in 36 class hours. Generally, Grade 4 and Grade 6 are large classes. It is recommended to register as soon as possible, because the seats are arranged in the order of registration, and the class time of each campus will be different. Official website is recommended for details.