diff --git a/cat-consumer/src/main/java/com/dianping/cat/consumer/event/EventReportCountFilter.java b/cat-consumer/src/main/java/com/dianping/cat/consumer/event/EventReportCountFilter.java
index 3190d35a9643872051dd0a0c7deff32903ea48f1..d6a6234ff4e59c3071eaab85067d53fc30612782 100644
--- a/cat-consumer/src/main/java/com/dianping/cat/consumer/event/EventReportCountFilter.java
+++ b/cat-consumer/src/main/java/com/dianping/cat/consumer/event/EventReportCountFilter.java
@@ -10,8 +10,9 @@ import java.util.Set;
 
 import com.dianping.cat.consumer.event.model.entity.EventName;
 import com.dianping.cat.consumer.event.model.entity.EventType;
+import com.dianping.cat.consumer.event.model.transform.BaseVisitor;
 
-public class EventReportCountFilter extends com.dianping.cat.consumer.event.model.transform.DefaultXmlBuilder {
+public class EventReportCountFilter extends BaseVisitor {
 
 	private int m_maxItems = 400;
 
diff --git a/cat-consumer/src/main/java/com/dianping/cat/consumer/transaction/TransactionReportCountFilter.java b/cat-consumer/src/main/java/com/dianping/cat/consumer/transaction/TransactionReportCountFilter.java
index bc4a1ba20087525b370de124a7542447d9a31cd1..ea24f812fffbc34235d07fcb5a4e750ca087114b 100644
--- a/cat-consumer/src/main/java/com/dianping/cat/consumer/transaction/TransactionReportCountFilter.java
+++ b/cat-consumer/src/main/java/com/dianping/cat/consumer/transaction/TransactionReportCountFilter.java
@@ -10,9 +10,9 @@ import java.util.Set;
 
 import com.dianping.cat.consumer.transaction.model.entity.TransactionName;
 import com.dianping.cat.consumer.transaction.model.entity.TransactionType;
+import com.dianping.cat.consumer.transaction.model.transform.BaseVisitor;
 
-public class TransactionReportCountFilter extends
-      com.dianping.cat.consumer.transaction.model.transform.DefaultXmlBuilder {
+public class TransactionReportCountFilter extends BaseVisitor {
 	private int m_maxItems = 400;
 
 	private void mergeName(TransactionName old, TransactionName other) {