修复bug#2211:course主页--还有空间显示课程老师的姓名就不要以省略号结束

app/views/welcome/_course_list.html.erb

@@ -5,13 +5,13 @@
       </div>
       <!-- 上左下右 -->
       <div class='desc_item'>
-        <span class=''>
+        <div class='' style="float:left;max-width:300px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;">
          <% unless course.is_public == 1 %>
             <span class="private_project"><%= l(:label_private) %></span>
          <% end %>
-         <%= link_to(course.name.truncate(25, omission: '...')+":", course_path(course.id), :class => "d-g-blue d-p-project-name", :title => "#{course.name}") %>
+         <%= link_to(course.name+":", course_path(course.id), :class => "d-g-blue d-p-project-name", :title => "#{course.name}") %>
 
-        </span>
+        </div>
         <span class='font_bolder'>
             <%= link_to(course.try(:teacher).try(:realname).truncate(6, omission: '...'), user_path(course.teacher)) %>
           <%#=course.try(:teacher).try(:name)%>