The category and domain name of the title cannot be changed. Only published titles can be deleted. The specific steps are as follows:

First, open the computer browser, Baidu search book title.

Second, click on the title of official website to enter the interface of official website.

Third, log in to your personal headline account.

4. Enter the title main interface to manage the title and content of watermelon video release.

5. Click on today's headlines, select Content Management, and then check the previously published headlines.

6. In content management, find the previously published content, select the title to be deleted, click "More" after the title, and then select the home page to exit.

7. After withdrawing the title content from the homepage, you can click "Delete", and the published title content has been deleted.