Settings-Battery-Power Protection-Find Enterprise WeChat-Turn off "Background Freeze" and turn off "Automatically optimize when abnormality is detected".
2. Turn on message notification
Enter the system settings-notification and status bar, and open the enterprise WeChat notification.
3. Allow self-startup
Enter the mobile phone housekeeper-rights and privacy-self-startup management, and let the enterprise WeChat start itself.
4. Open the multi-task lock
Click the function key in the lower left corner of the mobile phone-enter the multitasking interface-find the enterprise WeChat-drag and drop the enterprise WeChat lock.
Suggestions can be made in the system software management.
Allow mobile phone Ali to run in the background.
If it still doesn't work, you can only pay attention to opening the phone to refresh.
reference data
Oppo official website. Oppo official website [reference time 20 18- 1-29]