Brush the lesson in the learning interface of the safe partner. According to relevant data, the Safety Companion app is a service platform for college students' safety education based on Internet technology, which provides a large number of safety knowledge courses for online learning, which can be used by both schools and students, supports mock exams, feeds back detailed learning data for schools, and helps students to cultivate safety awareness and spend a good college time easily. Brushing classes is done in the learning interface of the app.