diff --git a/app/views/users/_project_boardlist.html.erb b/app/views/users/_project_boardlist.html.erb
index 3ba0244d9..e0e2fddf8 100644
--- a/app/views/users/_project_boardlist.html.erb
+++ b/app/views/users/_project_boardlist.html.erb
@@ -43,7 +43,7 @@
                 </div>
                 <div class="ml15 mt10 f12">
                   <span class="grayTxt">
-                      发帖人:<%=(u.try(:realname) != " " ? u.lastname + u.firstname : u.try(:login)) %>
+                      发帖人:<%=(u.try(:realname) != " " ? u.try(:lastname) + u.try(:firstname) : u.try(:login)) unless u.nil? %>
                   </span>
                   <span class="grayTxt">更新：<%= format_time(activity.children.any? ? activity.children.last[:created_on] : activity[:created_on] ) %></span>
                   <% all_comments = []%>