@ -97,7 +97,7 @@ module WatchersHelper
return '' unless user && user.logged?
# modify by nwb
# 主讲教师不允许退出课程
return '' if user.id == course.tea_id || course.is_public == 0
return '' if user.id == course.tea_id
joined = user.member_of_course?(course)
text = joined ? l(:label_exit_course) : l(:label_new_join)
url_t = join_path(:object_id => course.id)