Personally, we must first confirm whether our goal is to take the professional route or the amateur route. I think it's good to write all the time. For the professional route, we must learn a lot from calligraphy theory and do a lot of brushwork training (simple example: although the brushwork of regular script and running script is roughly the same, there are also differences. Practicing regular script, you can't write a book in the primary stage. Do you think you can still say that your basic skills are solid? ), systematically write some copybooks, look at the works of famous people in history and learn from them.
I suggest that from now on, you present Sun's book score at least five times (this is a professional copybook, and laymen generally think it is a point) to strengthen your brushwork, and then start systematic copybooks, such as Wang Xizhi's series, Zhang Heinv and so on. Find the main direction suitable for your temporary writing and form your own good font.