Ask him to follow, and then command, move the mouse to the terminal, and there will be a survey display of the terminal, and then confirm, he will crack it. Generally, it is best to crack the expert level and master level first. Save a file and let him crack it again. Otherwise, if he fails to crack it the first time, he will fail no matter how many times you let him try in the future. Therefore, whether it is successful or not will only be effective when cracking it for the first time.