修改

app/views/courses/_set_course_time.html.erb

@@ -7,7 +7,7 @@
 	<% linkPath = course_endTime_timeout?(course) ? restartcourse_course_path(course) :  finishcourse_course_path(course, format: :js) %>
 	<% desc = course_endTime_timeout?(course) ? '重启' :  '关闭' %>
 
-	<%= link_to "#{desc}课程", linkPath, :remote => true, :method => :post, :id => id, :confirm => ("确定要#{desc}课程？") %>
+	<%= link_to "#{desc}", linkPath, :remote => true, :method => :post, :id => id, :confirm => ("确定要#{desc}课程？") %>
 <% else %>
 	<!-- 关闭课程block -->
 <% end %>

config/locales/zh.yml

@@ -463,7 +463,7 @@ zh:
   permission_view_courses: 查看课程
   permission_new_course: 新建课程
   permission_configure_course: 配置课程
-  permission_close_course: 关闭/重开课程
+  permission_close_course: 关闭/重开
   permission_new_assignment: 新建任务
   permission_edit_assignment: 编辑任务
   permission_delete_assignment: 删除任务