Thanks for your support, Ally!
I tried it and read all the related posts about pop up on the forum before asking, but nothing changed.
Good news, i have just put [quform_popup id="1"] <my code> text [/quform_popup]. It displays 🙂
If you don’t mind, this thread. In articles, after the [quform_popup id="1"] text [/quform_popup], there will often be a newline.
This is a sample article (at the end of this article): https://locphatland.com/marine-city/