Yes Tencent Classroom is a professional online education platform launched by Tencent. Due to the special reason that the epidemic can't return to school, some schools have held Tencent classroom lectures. Tencent classroom appeared problems such as login failure and system failure during its operation, but it soon returned to normal and began to operate normally. Tencent Classroom responded to China Net Technology that the failure of user login was due to the early morning system upgrade, which caused some machines to malfunction during the upgrade process. After discovering the problem, they resumed normal use through emergency repair.