### Is there an existing issue for this? - [X] I have searched the existing issues. ### Describe the solution you'd like  当我选择一个主机展示时,增加该主机显示出站或者入站的数据汇总最好了,这样更方便我统计我代理的服务器消耗的流量数据 ### Is your feature request related to a problem? 每次我想统计出站或者入站的数据,特别的麻烦,需要自己加减,要么去大约估值,这样得出的数据很不准确