If the first person appears in your own paper, there is no problem at all, because you thought it was written by yourself, and there are some colloquial expressions in the process of writing, which actually doesn't matter much. Of course, these contents should not be too much, because usually the object of writing a paper is someone else, or someone else, mainly a third person.

Thesis is a Chinese word, commonly used in classical literature, which means to talk or exchange ideas. Nowadays, papers are often used to refer to articles that conduct research in various academic fields and describe academic research results, which are referred to as papers for short. It is not only a means to discuss problems in academic research, but also a tool to describe academic research results in academic exchanges. Including academic papers, graduation papers, dissertations, scientific papers, achievement papers and so on.