2. Find options such as "My Work" or "My Study" on the homepage, and click to enter.

3. Find options such as "students' learning situation" or "students' completion situation" in the page, and click enter.

4. In the page, you can see the details of students' safety education activities, including completion time, completion progress and scores.

5. Teachers can check the completion of each student by clicking on the specific activity or course name.