modify the cat top local service

cat-home/src/main/java/com/dianping/cat/report/page/model/top/LocalTopService.java

 package com.dianping.cat.report.page.model.top;
 
+import java.util.Date;
+
 import org.unidal.lookup.annotation.Inject;
 
 import com.dianping.cat.consumer.top.model.entity.TopReport;
 import com.dianping.cat.consumer.top.model.transform.DefaultSaxParser;
+import com.dianping.cat.helper.TimeUtil;
 import com.dianping.cat.report.page.model.spi.ModelPeriod;
 import com.dianping.cat.report.page.model.spi.ModelRequest;
 import com.dianping.cat.report.page.model.spi.internal.BaseLocalModelService;
@@ -40,7 +43,15 @@ public class LocalTopService extends BaseLocalModelService<TopReport> {
 			report = getLocalReport(date, domain);
 
 			if (report == null) {
-				report = new TopReport(domain);
+				Date start = new Date(date);
+				Date end = new Date(date + TimeUtil.ONE_HOUR);
+				report = m_reportSerivce.queryTopReport(domain, start, end);
+
+				if (report == null) {
+					report = new TopReport(domain);
+					report.setStartTime(start);
+					report.setEndTime(end);
+				}
 			}
 		}
 		return report;