If your headline avatar has been under review, on the one hand, it may be because of your poor network environment, which leads to slow loading and failed downloading; On the other hand, it may be because your avatar does not meet the official avatar size, so the official has been reviewing your avatar at this time. Headline headshots have been under review, probably because your headshots are similar or similar to those recognized by others. It is recommended to change another one after one month.