The former is the unfinished design drawing of the students from the whiteboard, while the latter is the complete design drawing modified and supplemented by the students. For students, revising the designs of the students around them will increase the interest and gain more from the study. For teachers, the resources generated dynamically in the classroom need not be processed after class, but can be quickly and conveniently called in the following classroom, thus enhancing the effectiveness of resources, increasing the amount of information in the classroom and improving the efficiency of the classroom.