First week's progress record: after receiving the task book sent by the teacher, first study the topic carefully by yourself, then communicate with the tutor, listen to the tutor's guidance and analysis of the selected topic, have a certain understanding and understanding of the topic, search for relevant information, and roughly determine the direction of the paper. The second week's progress record: refer to relevant books, collect information in all directions, extract important parts from them, and complete the opening report. The function of the opening report is to introduce and prove the purpose, significance, function and goal of the proposed paper research. The purpose is to elaborate, review and determine the theme of the paper.