How does Guangdong Zhengyi show that he has read it?

It may be that you have installed SMS reading software that is not included in the system, such as SMS.

You can uninstall the software and then reinstall it. It is also suggested that you can check whether the notification setting of Yuezhengyi app is an important notification, whether the screen pop-up notification is turned on, Settings-Applications and Notifications-View All Applications-Find Yuezhengyi app- Notification, click the new message notification to confirm whether it is an important notification, whether the screen pop-up notification is turned on, and whether the background data of Yuezhengyi app is turned on. Settings-Applications and notifications-View all applications-Find Yuezhengyi app- Mobile data and wireless network-Open background data without limit.