Always the same response, can my fellow writers help?

i use ds for writing, only for my personal use so i don’t publish it or anything, and it’s not really roleplaying since i make it write full chapters. but it’s so repetitive, keeps using the same format and even when i ask it to change, it does it again and sometimes does the thing three times in the same chapters… i used the think option as well but doesn’t work. i don’t know any coding or i don’t understand what people mean by “harness” or stuff for deepseek since i’m not familiar with all of these terms. and i make it analyze the chapter and fix the mistakes with a revised version, but it doesn’t keep up. how can i fix the way it writes?