收藏按钮增加title

app/views/users/_courses_list.html.erb

@@ -3,8 +3,8 @@
         <li class="syllabus_class_list <%=i > 2 ? 'none' : '' %>">
           <% allow_visit = User.current.member_of_course?(course) || User.current.admin? || course.is_public == 1 %>
           <a href="<%= allow_visit ? course_path(course.id) : "javascript:void(0)" %>" target="_blank" title="<%= allow_visit ? "" : "私有班级不可访问"%>">
-            <span class="icons_sy_favorite "></span>
+            <span class="icons_sy_favorite " title="点击将其从个人主页的班级列表中移除"></span>
-            <span class="icons_sy_star "></span>
+            <span class="icons_sy_star " title="点击将其添加至个人主页的班级列表中"></span>
             <div class="fl">
               <div class="syllabus_class_w ">
                 <p class="syllabus_class_title fl"><%=course.name %></p>