diff --git a/app/views/users/user_messages.html.erb b/app/views/users/user_messages.html.erb
index 07c8b420a..3b1652f2d 100644
--- a/app/views/users/user_messages.html.erb
+++ b/app/views/users/user_messages.html.erb
@@ -76,7 +76,7 @@
                   <li class="homepageNewsPublisher fl"><a href="javascript:void(0);" class="<%=ucm.viewed == 0?"newsBlack":"newsBlue"%>"><%= ucm.course_message.user %></a></li>
                   <li class="<%= ucm.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布问卷</li>
                   <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-                    <%= link_to format_activity_title(" #{ucm.course_message.polls_name}"), poll_index_path(:polls_type => "Course", :polls_group_id => ucm.course_id),
+                    <%= link_to format_activity_title(" #{ucm.course_message.polls_name.nil? ? "未命名问卷" : ucm.course_message.polls_name}"), poll_index_path(:polls_type => "Course", :polls_group_id => ucm.course_id),
                     :class=>"#{ucm.viewed==0?"newsBlack":"newsGrey"}",
                     :title => "#{ucm.course_message.polls_name}" %></a></li>
                   <li class="homepageNewsTime fl"><%= time_tag(ucm.course_message.created_at).html_safe %> </li>