(A1411 In today's society, people's pace of life is very fast, and their interpersonal relationships are complex. After a busy day at work, people are used to adjusting their mobile phone's profile to prevent some work that they may not need to do to disturb their rest. However, this has a disadvantage. Once the mode is switched and the grouping is wrong, it is easy to miss important calls, which may make important customers or family members unable to connect with them in a timely manner, What should we do about this situation? 58fenlei/58 Local This document includes the following annexes:)