1)进入cmd 2)输入 conn / as sysdba回车 3)输入alter user sys identified by sys;回车(注意此处有分号) 4)登录sys用户,选择connect as SYSDBA登录即可 相关文章: 2021-12-23 2022-12-23 2021-07-30 2021-12-30 2022-12-23 2022-12-23 2021-11-21 2021-05-06