There are too many twists and turns in Fan Ceng's words and lines, so the whole article seems to be dotted with more words. Moreover, your lines are straight and smooth, and the thickness change of stroke lines is not as exaggerated as he is. From a certain point of view, it can even be said that it is more "beautiful" than Fan Ceng's! So this is definitely not Fan Ceng's work.
You can compare the following works by Fan Ceng and see if I am right!