查看别人的页面时不显示“全部设为已读”

app/views/users/user_messages.html.erb

@@ -36,7 +36,7 @@
     <% if params[:type].nil? || params[:type] == "unviewed" %>
         <div class="newsReadSetting">
           有&nbsp;<span class="c_red"><%= unviewed_message(@user) %></span>&nbsp;条未读
-          <% unless unviewed_message(@user) == 0 %>
+          <% unless (unviewed_message(@user) == 0 || User.current != @user) %>
               <a href="javascript:void(0);" class="ml15"><%= link_to "全部设为已读", user_message_path(User.current, :viewed => 'all') %></a>
           <% end %>
         </div>