隐藏课程搜索页面的“加入”按钮

app/views/courses/_course.html.erb

@@ -73,7 +73,7 @@
 			<%= l(:lable_course_end)  %>
 		</span>
       <% else %>
-          <%= join_in_course_for_list(@course, User.current,['regular'])%>
+          <%#= join_in_course_for_list(@course, User.current,['regular'])%>
       <% end -%>
 	</div>
 </div>