Group 1 - The National Computer Virus Emergency Response Center detected 69 mobile applications that illegally collect and use personal information, in accordance with the Cybersecurity Law and the Personal Information Protection Law [1] - Among the identified applications, "All Knowledge" (PP Assistant) failed to clearly list the purposes, methods, and scope of personal information collection in its privacy policy, and did not provide users with a convenient way to withdraw consent for data collection [1] - "All Knowledge" is developed by Beijing Perfect Knowledge Technology Co., Ltd., which was established in 2020 and has a registered capital of 10.1 million RMB [1] Group 2 - The actual controller of Perfect World (002624.SZ), Chi Yufeng, serves as the executive director and manager of Perfect World (Beijing) Technology Innovation Co., Ltd. [2]