Your topic is really big, which is a bit big as a master's thesis. As an undergraduate thesis, I suggest you write an issue of indirect infringement under the network environment. The specific topic can be named "Research on the System of Indirect Copyright Infringement under the Network Environment". The specific chapters and outlines are as follows:

Chapter 1: Overview of indirect infringement of copyright under the network environment.

First, the concept and characteristics of indirect infringement

Second, the types of indirect infringement

Chapter two: the theoretical basis of indirect infringement of copyright under the network environment.

First, the theoretical basis of indirect infringement

Second, the distinction between indirect infringement and direct infringement.

Chapter III: The system of indirect copyright infringement in China's legal system.

First, the practice of indirect copyright infringement system in China's tort law

Second, the improvement of China's indirect tort system

Chapter four: Conclusion.