1. Click anyone in the address book to view details. After the nickname on the right side of the avatar, a small avatar with a red avatar will be displayed to represent a female friend.

2. If you view the details, a blue villain head is displayed behind the nickname, indicating that the male friend is marked.

3. However, there is another situation. When looking at the details, there is no villain head after the nickname. What happened?

4. Whether the villain's head is displayed after the WeChat nickname is related to whether the gender option is set on the micro-signal. If the gender is set, it will definitely be displayed.