When you need to sign, you can click on the class group in the list; Then, click the notice at the bottom of the page; Then, click the notice at the bottom of the page; Then, select the template of the notification; Finally, open the notification page. At the bottom, parents need to sign this function and publish it.
If we are the sponsor of the live broadcast, the live broadcast is mainly due to the equipment configuration and network. If we broadcast live on a computer or mobile phone, we must first close all other applications and release the running memory, and then check whether the network is normal.