Refined to a topic published by a teacher, it should be a website. Then each student has an account and password to log in. First of all, he must log in first, and then look under the columns that may have published topics. Generally speaking, it should be easy to find by clicking on the column and dropping it down. If you still can't find it, you can leave a message or contact online. Or ask others in the community or group.
Guangdong Guangling-Smart Campus Mobile Phone Business Hall (mobile phone WeChat pays water and electricity bills and inquires about the use of school bus classrooms)