Text Frame not working correctly after save to docx file, and not support for almost doc viewer

[Sariln]

I try to make a Text Frame that like below :

but always it give me that :

and when I try to open on other viewer it not support Text Frame :

my code :

version : 8.5.0

Text Frame it hard to make and edit compare to Draw Text Box, so how can I fixed it or can we have Draw Text Box feature instead of Text Frame. Thank you