First, let's talk about the first method.
1. Open the document, find a blank page, and select Blank Page-Backspace.
2. Look at the picture below and delete the blank page.
Second, the second method
1. If the first option fails, select a blank page-right click-paragraph.
2. Indentation and spacing in the paragraph window-line spacing (set to a fixed value).
3. Manually enter the setting value of 1-OK after line spacing, and this blank page will be deleted.