Online classes are my rhythm of gaining weight. How to send a circle of friends?

Online class is the first time I look forward to starting school. Although I can stay at school for a while, it may be difficult. I just don't want to get fat anymore. Onlinecourse is an online course that is learned by electronic devices through the Internet. Different from offline classroom teaching, online classroom has the advantages of various ways, flexibility and convenience, and more and more students and parents are beginning to use it.