Xiaomi mobile phone MIUI weather software can't be opened. What happened?

Because the MIUI weather software was not updated in time, the previous version has ended.

I. Software upgrade:

Refers to the software developers when writing software, due to the designer's incomplete consideration or imperfect program functions;

After the software is released, it will be released in the form of patch by modifying the program or adding new functions;

Users update these patches, that is, the upgrade is complete.

Second, the purpose:

Software upgrade is to better meet the needs of users and prevent the invasion of viruses.