ID number, date of birth, 8 digits. According to official website, the Department of Culture and Tourism of Guangxi Zhuang Autonomous Region and the Library of Guangxi Zhuang Autonomous Region have upgraded and deployed more than 50 WiFi6 wireless access points in the reader service area of Yuewen Building. After a month's trial operation, the default password is the 8-digit ID number and date of birth.