Why didn't siri quit after executing the command?

The system version is too low. Siri is a voice recognition interface and a voice assistant applied by Apple on iPhone, iPad and other products. Equivalent to Xiaomi's little love. Siri can read SMS, introduce restaurants, ask about the weather, and set alarm clocks by voice. After executing the instruction, it is because the version of the mobile phone system is not the latest, which solves the problem of upgrading the mobile phone system.