1. Open the settings, locate and open the application.
2. Click the third "Permission Management" and find three points in the upper right corner.
3. Click the first "Special Access Permission" to find the first "Battery Optimization" and turn to "Healthy Use of Mobile Phone". Not allowed by default, changed to "allowed".
4. Drop down the menu bar. Find the first healthy phone, swipe left and click "More Settings".
5. Click the exclamation point to the right of "Healthy use of mobile phone", select "Forced stop", find a chance to come again after shutdown, and follow the steps of 1-9 again.