def history_activity(opt = {})
      url = "#{@base_url}/historyactivity"
      if !opt.empty?
        url += "?#{URI.encode_www_form opt}"
      end
      ret = @client.rpc.call_with_json("GET", url, nil)
      ret["items"]
    end
def history_activity(opt = {})
      url = "#{@base_url}/historyactivity"
      if !opt.empty?
        url += "?#{URI.encode_www_form opt}"
      end
      ret = @client.rpc.call_with_json("GET", url, nil)
      ret["items"]
    end
查询直播历史.

 参数: start, end 是 Unix 时间戳, 限定了查询的时间范围, 0 值表示不限定, 系统会返回所有时间的直播历史.

 返回:

   {
     "start" => <Integer>,
     "end" => <Integer>
   }