似乎已经失效了啊，进去以后点开任何一个数据库，都显示说你不是该大学的学生或员工。请楼主尽快验证。 Error 403 - Insufficient Privileges The privileges associated with your University Network ID (UNI) indicate that you do not hold current status as a Columbia University student, faculty or staff member. Access to many of the Libraries' electronic resources is restricted to members of those groups. You may, however, use them at public workstations in the Libraries for study and research