Extension ext = entry.getValue();
        com.dianping.cat.consumer.heartbeat.model.entity.Extension extension = period.findOrCreateExtension(id);
        for (Entry<String, String> kv : ext.getDynamicAttributes().entrySet()) {
          double value = Double.valueOf(kv.getValue());
          extension.getDetails().put(kv.getKey(), new Detail(kv.getKey()).setValue(value));
        }
      }
    } catch (Exception e) {
      Cat.logError(e);
    }