修改表情无法显示问题

app/views/users/user_messages.html.erb

@@ -42,9 +42,9 @@
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="<%=ucm.viewed == 0?"newsBlack":"newsBlue"%>"><%= ucm.course_message.author %></a></li>
                   <li class="<%= ucm.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布通知</li>
                   <li class="homepageNewsContent fl">
-                    <%= link_to "#{ucm.course_message.title.html_safe}", {:controller => 'news', :action => 'show', :id => ucm.course_message.id },
+                    <%= link_to ucm.course_message.title, {:controller => 'news', :action => 'show', :id => ucm.course_message.id },
                     :class =>"#{ucm.viewed == 0 ? "newsBlack" : "newsGrey"}",
-                    :title => "#{ucm.course_message.title.html_safe}" %></li>
+                    :title => "#{ucm.course_message.title}" %></li>
                   <li class="homepageNewsTime fl"><%= time_tag(ucm.course_message.created_on).html_safe %> </li>
                 </ul>
             <% end %>
@@ -54,7 +54,7 @@
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="newsBlue"><%= ucm.course_message.author %></a></li>
                   <li class="<%= ucm.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">回复了通知</li>
                   <li class="homepageNewsContent fl">
-                    <%= link_to "#{ucm.course_message.comments.html_safe}", {:controller => 'news', :action => 'show', :id => ucm.course_message.commented.id },
+                    <%= link_to ucm.course_message.comments.html_safe, {:controller => 'news', :action => 'show', :id => ucm.course_message.commented.id },
                     :class =>"#{ucm.viewed == 0 ? "newsBlack" : "newsGrey"}",
                     :title => "#{ucm.course_message.comments.html_safe}" %></li>
                   <li class="homepageNewsTime fl"><%= time_tag(ucm.course_message.created_on).html_safe %> </li>
@@ -66,7 +66,7 @@
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="newsBlue"><%= ucm.course_message.user %></a></li>
                   <li class="homepageNewsType fl">发布作业</li>
                   <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                    <%= link_to ("#{ucm.course_message.name}"), student_work_index_path(:homework => ucm.course_message.id),:class => "newsGrey", :title => "#{ucm.course_message.name}" %></a></li>
+                    <%= link_to ucm.course_message.name, student_work_index_path(:homework => ucm.course_message.id),:class => "newsGrey", :title => "#{ucm.course_message.name}" %></a></li>
                   <li class="homepageNewsTime fl"><%= time_tag(ucm.course_message.created_at).html_safe %> </li>
                 </ul>
             <% end %>