The second trial submitted by Ke Fan to the platform is strict. Ke Fan's submission platform was formerly known as the Thesis Management System of the University of Science and Technology of China. After more than ten years of accumulation and precipitation, it has established cooperation with more than 200 colleges and universities, and experts from various disciplines have conducted the second trial. The audit is very strict and requires high details in all aspects. Therefore, the second trial is strict with Ke Fan's submission platform.