Generally, the blank lines copied from the Internet are all paragraph marks or manual line breaks, which can be found-replaced.

Ctrl+H

What to find: (Enter space)

To be replaced by: (Not entered)

Replace all

What to look for: ^p^p

To be replaced by: p

Replace all

What to look for: ^l^l

To be replaced by: l

Replace all

In fact, when dealing with the text copied from web pages, the text tool in WPS is very convenient, so you can try it.