1. In order to avoid blocking online teaching, teachers are advised to use wired networks to carry out online teaching activities as much as possible, and teachers should upload textbooks in advance; In principle, students take the dormitory as the teaching unit, and try to ensure it through PC-side wired access.

2. Make a backup plan. Back up the PPT, video and other learning materials needed in the course to your own computer, and once you start online teaching on online teaching platforms such as superstar learning chain, love class and rain class.

3. Carefully carry out long-term live classes. Due to the equipment and network problems of teachers and students or platform servers, long-term live teaching is prone to various problems, which requires teachers to broadcast live and make good plans.