Enter the color icon you want to display on the WeChat signature in the chat window, and then send it.
In the chat window, press and hold the sent content with the icon, and then select Copy.
Enter the WeChat personal information interface, and click the signature and paste.
After pasting, just click Save and the name will be displayed as the expression you just set.
Extended data:
Setting method of WeChat color barrage:
1. Open WeChat and click Discover.
2. Find and click to enter the applet.
3. Click the "small magnifying glass" icon in the upper right corner to enter the "hand-held barrage".
4. Select and click "Handheld Barrage" to generate the "Barrage" page.
5. Set the "barrage" according to your personal preference.
6. Then choose a friend who wants to send a "colorful barrage".
7. Click "Send" (your friend will see interesting subtitles after clicking).