The universal test system is an important tool for implementing paperless testing and is now widely used in enterprises and schools. The system includes the modules of examinee login, paper generation in random, online exam, automatic marking and performance analysis. And paper generation in random, online exam and automatic marking are the core modules. Taking the course of Computer Application Foundation in the higher vocational colleges of Hunan province as an example, this paper designs and implements the automatic evaluation module based on Authorware platform.