Operating environment: Huawei mate40, HarmonyOs2.0 and Tencent Conference 3.8.5.
1. Step 1: Open your mobile phone and click Tencent Conference.
2. Step 2 After entering the Tencent meeting, click on WeChat to log in.
3. Step 3 After successfully logging in, click the History Meeting.
4. Step 4 After entering the meeting minutes, click the meeting you want to view.
5. After entering the fifth step, you can see the duration of participants, and check as needed.