1, use the "baby name card" function of Little Genius Watch. On the "More" page of the watch, click to view the baby business card, select the baby information to open, and find the nickname to modify. You can set a longer name by modifying the nickname.
2. When adding friends to micro-chat, change the nickname of the other person to be the same as the avatar of your mobile phone address book. After successfully sending Friend Request as a friend, the chat interface will always display the other person's long name.