text: update ManageMenu set MM_Link='/manage/student/Course_Curr.aspx' where MM_Name='当前学习'
  go
  update ManageMenu set MM_Link='/manage/student/Course_Study.aspx' where MM_Name='选修课程'
  go
  update ManageMenu set MM_Link='/manage/student/Course_Expire.aspx' where MM_Name='过期课程'
  go