What you want to ask is what happens when the personality signature has not changed but the background of friends circle has been updated? Changed the background of the circle of friends, but did not change the personality signature. According to the query, the website shows that the personalized signature has not changed but the background of the circle of friends has been updated because the background of the circle of friends has changed but the personalized signature has not changed. Friends circle and personalized signature are two different columns on WeChat. Friends circle is a social function on WeChat, and personalized signature is a motto you can set.