Redmi k50 has been deleted in the background. Why can't I get a message reminder?

Redmi k50 cannot receive message reminder when deleting in the background. Although it can receive messages within a set period of time, it will not ring or vibrate, so it is impossible to know whether there is any new message. It is recommended to close. 3. WeChat storage space is on WeChat, and there are a lot of chat records every day, such as pictures, facial expressions, videos, etc. However, the storage space of WeChat is limited. If there are too many things, not cleaning them in time will also affect their operation. It is necessary to clean up the data in time to improve the fluency of WeChat. 4. The network is slow. If there are no problems with the above items, it must be a network problem. If the signal in the area is not good or the wifi signal is not strong, the message will be delayed. After returning to normal, the news naturally arrived.