User name hy, password hy prompt interface is blue! Then wait 10 seconds to enter the campus broadband billing system, and the user name is Mi card number (just enter a reasonable card number, you don't have to take it yourself. The school gives each student 500 hours of wireless internet access fee, and the money will be deducted if it exceeds. The password is 123456. It is recommended to go to the library in the morning, and too many people will display "not connected or restricted" in the afternoon! The wireless network in Huaigong Library is awesome. I spent an afternoon flying there last week. Hope to adopt! ! !