First of all, you should start a topic before writing your paper. The purpose of starting a project is to establish your research direction or set an expectation for your research. The content of the opening report should mainly include the purpose, significance and content of the research and the basis for you to determine the purpose, significance and content (usually literature). In addition, there should be key problems that you plan to solve.
Generally speaking, in the process of opening a topic, your innovation has already appeared. When writing the purpose and significance of the research, we should mainly explain the present situation of the research object, focusing on its advantages and disadvantages, and then explain what improvements we will make to solve this shortcoming or reduce its influence.
In a paper, you should generally explain what you want to do at the beginning of the introduction. Then, talk about the current situation of what you want to do. After introducing the present situation, you should explain your innovation. What the hell are you going to do? And what you want to do should be "innovative", which no one else has done.
The innovation in the paper should also be specific to the actual content. First break it down into several parts. Then, each part is explained and calculated in detail. Interspersed with some necessary summaries. Innovation is always interspersed in the paper, because your paper should mainly focus on your innovation.