#1699 公共贴吧--没有回复就不要显示“最后回复”了

app/views/welcome/index.html.erb

@@ -174,8 +174,8 @@
                           <%= link_to topic.author.login.truncate(10, omission: '...'),user_path(topic.author),title: topic.author.login %>
                         </span>
                         <span class="memo_last_person">
-                          <%= l(:label_final_reply)%>：
                           <% unless (topic.last_reply.nil? || topic.last_reply.author.nil?) %>
+                              <%= l(:label_final_reply)%>：
                               <%=link_to topic.last_reply.author.login.truncate(10, omission: '...'),user_path(topic.last_reply.author),title: topic.last_reply.author.login%>
                           <% end %>
                         </span>