Solution:
1. Log in to WeChat, enter the WeChat page, and click "I" in the lower right corner, as shown below:
2. Click "I" and select "Pay" to open the page, as shown in the following figure:
3. After selecting payment, click the icon in the upper right corner, as shown in the figure below:
4. Click ""to view the real-name authentication information, as shown in the following figure:
5. Select "Change Real Name" on the real-name authentication information page, and complete renaming according to the prompts, as shown in the following figure: