Tool: Android phone.
1. In the mobile phone setting interface, enter "Battery Optimization", find "Healthy Use of Mobile Phone" and set it to allow (if it has been allowed, turn it off and restart). Go back to the settings interface, find "Healthy use of mobile phone" in the application and application management, and enter to "forcibly stop".
Enter the developer mode (click the version number continuously), enter the developer option, find the running service, enter the "Healthy Use of Mobile Phone", click "Stop" after entering, and the mobile phone will return to normal.