What do you mean, take off the portrait?
Take off a single metaphysics. It is said that people who change their heads will be able to take off their orders soon.
At first, a little girl in Little Red Book used a photo of Qinyuan Fei as her head portrait, but she was immediately removed from the list, so everyone in her sister group changed to this head portrait, which was widely circulated. Somehow, this picture was passed on as an avatar.
Most people say they don't believe in metaphysics and wear it on their heads secretly.
The above is an introduction to the meaning of taking off the portrait. This is actually a very metaphysical thing, and the popularity on the Internet is still quite high.