Where was it cancelled on Nanyang Mayor's message board?

It's on the right side of the message. The specific steps are as follows:

1. Log in to your message board account.

2. Find the information you want to cancel, find the word "cancel" or "delete" next to the right button of the information, and click OK.

3. You may be prompted that you need to further verify your identity. Please follow the requirements.

4. After verification, your information will be successfully revoked.