In the permission and privacy of the mobile phone, just open the fitness exercise permission of the mobile phone WeChat.
1. Open the phone settings, as shown:
2. In the settings, select permissions and privacy, as shown:
3. In Permissions and Privacy, select Rights Management, and then click Enter.
4. In the application of rights management, slide the page, find WeChat, and click Enter.
5. On the permission page of WeChat, click Fitness Exercise, as shown in the figure below:
6. In the permission box of fitness exercise, select Allow, as shown in the figure:
In this way, the fitness exercise permission of your mobile phone WeChat will be opened, and you can use WeChat to exercise.