Hi @cyu1012,

I hope you are well today and thank you for your question.

It seems from your shared screenshots that you are using the Block editor and not a Classic editor to edit the product.

Please try using a classic editor as described in the below pages.

https://wordpress.org/plugins/classic-editor/

https://www.wpbeginner.com/plugins/how-to-disable-gutenberg-and-keep-the-classic-editor-in-wordpress/

https://gogutenberg.com/disable-gutenberg/

Best regards,
Shufflehound team