diff --git a/app/views/layouts/_show_messages_list.html.erb b/app/views/layouts/_show_messages_list.html.erb
index 584970f16..2d6da0770 100644
--- a/app/views/layouts/_show_messages_list.html.erb
+++ b/app/views/layouts/_show_messages_list.html.erb
@@ -138,7 +138,7 @@
           <li><a href="<%=news_path(ma.forge_message.commented.id) %>" target="_blank" title="<%=ma.forge_message.author.show_name %> 评论了新闻：<%= ma.forge_message.commented.title%>"><span class="shadowbox_news_user"><%=ma.forge_message.author.show_name %> </span>评论了新闻：<%= ma.forge_message.commented.title%></a></li>
       <% end %>
     <% elsif ma.class == MemoMessage %>
-      <% if ma.memo_type == "Memo" %>
+      <% if ma.memo_type == "Memo" && !ma.memo.nil? && !ma.memo.author.nil? %>
           <li><a href="<%=forum_memo_path(ma.memo.forum_id, ma.memo.parent_id ? ma.memo.parent_id: ma.memo.id) %>" target="_blank" title="<%=ma.memo.author.show_name %> <%= ma.memo.parent_id.nil? ? "在贴吧发布帖子：" : "回复了贴吧帖子：" %><%= ma.memo.parent_id.nil? ? ma.memo.subject : message_content(ma.memo.content)%>"><span class="shadowbox_news_user"><%=ma.memo.author.show_name %> </span><%= ma.memo.parent_id.nil? ? "在贴吧发布帖子：" : "回复了贴吧帖子：" %><%= ma.memo.parent_id.nil? ? ma.memo.subject : message_content(ma.memo.content)%></a></li>
       <% end %>
     <% elsif ma.class == UserFeedbackMessage %>