设置大纲图标在讨论区换行显示问题

app/views/layouts/_project_info.html.erb

@@ -20,9 +20,9 @@
 </div>
 <div class="cl"></div>
 <div >
-<a class="pr_info_name fl c_dark fb break_word" href="http://<%= Setting.host_course%>/courses/<%= @course.id%>" target="_blank"></a>
+<a class="pr_info_name fl c_dark fb" href="http://<%= Setting.host_course%>/courses/<%= @course.id%>" target="_blank"></a>
 <div>
-  <a class="pr_info_name c_dark fb break_word fl" href="http://<%= Setting.host_course%>/courses/<%= @course.id%>" target="_blank">
+  <a class="pr_info_name c_dark fb fl" href="http://<%= Setting.host_course%>/courses/<%= @course.id%>" target="_blank">
     <%= @course.name %>
   </a>
   <span id="course_outline_bar">