diff --git a/cat-consumer/pom.xml b/cat-consumer/pom.xml
index 1e95e2e0498132ace37bc6b75988e1a7d98c62f0..414d97a95bd9b7561476003234b3294ab607b1c4 100644
--- a/cat-consumer/pom.xml
+++ b/cat-consumer/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.dianping.cat</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.0</version>
+		<version>0.3.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>cat-consumer</artifactId>
diff --git a/cat-core/pom.xml b/cat-core/pom.xml
index 80a5bf9456e6d30ef499fd69278892a28e44a27f..5238cb4220922865f76475e204a5d53545e24698 100644
--- a/cat-core/pom.xml
+++ b/cat-core/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.dianping.cat</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.0</version>
+		<version>0.3.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>cat-core</artifactId>
diff --git a/cat-hadoop/pom.xml b/cat-hadoop/pom.xml
index 3a2cff8b03f1b12fc2bd7e9d90780bf6fd07b228..984912e5875684abe51dcf726f20f08aea7d7085 100644
--- a/cat-hadoop/pom.xml
+++ b/cat-hadoop/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.dianping.cat</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.0</version>
+		<version>0.3.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>cat-hadoop</artifactId>
diff --git a/cat-home/pom.xml b/cat-home/pom.xml
index a7e278310205721b7ddac2d6d748ad9c668d9b53..cf2d5db2bcfa0bcb270053fcd236339ebee46020 100755
--- a/cat-home/pom.xml
+++ b/cat-home/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.dianping.cat</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.0</version>
+		<version>0.3.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>cat-home</artifactId>
diff --git a/cat-home/src/main/java/com/dianping/cat/report/task/EventMerger.java b/cat-home/src/main/java/com/dianping/cat/report/task/EventMerger.java
index 7ac235599a977c7e92a956f8b776651100a56d09..628b86989a52095cf37096e25d199f28751b8e3f 100644
--- a/cat-home/src/main/java/com/dianping/cat/report/task/EventMerger.java
+++ b/cat-home/src/main/java/com/dianping/cat/report/task/EventMerger.java
@@ -22,7 +22,7 @@ public class EventMerger implements ReportMerger<EventReport> {
 	@Override
 	public EventReport merge(String reportDomain, List<Report> reports) {
 		EventReport eventReport;
-		EventReportMerger merger = new EventReportMerger(new EventReport(reportDomain));
+		EventReportMerger merger = new HistoryEventReportMerger(new EventReport(reportDomain));
 
 		for (Report report : reports) {
 			String xml = report.getContent();
@@ -45,7 +45,7 @@ public class EventMerger implements ReportMerger<EventReport> {
 	@Override
 	public String mergeAll(String reportDomain, List<Report> reports) {
 		EventReport eventReport = merge(reportDomain, reports);
-		EventReportMerger merger = new EventReportMerger(new EventReport(reportDomain));
+		EventReportMerger merger = new HistoryEventReportMerger(new EventReport(reportDomain));
 		EventReport eventReport2 = merge(reportDomain, reports);
 		com.dianping.cat.consumer.event.model.entity.Machine allMachines = merger.mergesForAllMachine(eventReport2);
 		eventReport.addMachine(allMachines);
diff --git a/cat-home/src/main/java/com/dianping/cat/report/task/HistoryEventReportMerger.java b/cat-home/src/main/java/com/dianping/cat/report/task/HistoryEventReportMerger.java
new file mode 100644
index 0000000000000000000000000000000000000000..869fb7ba48914ee73d207668c4af894a179daabf
--- /dev/null
+++ b/cat-home/src/main/java/com/dianping/cat/report/task/HistoryEventReportMerger.java
@@ -0,0 +1,22 @@
+package com.dianping.cat.report.task;
+
+import com.dianping.cat.consumer.event.model.entity.EventReport;
+import com.dianping.cat.consumer.event.model.entity.Range;
+import com.dianping.cat.report.page.model.event.EventReportMerger;
+
+public class HistoryEventReportMerger extends EventReportMerger{
+
+	public HistoryEventReportMerger(EventReport eventReport) {
+	   super(eventReport);
+   }
+
+	@Override
+   public void visitRange(Range range) {
+	   //super.visitRange(range);
+   }
+
+	@Override
+   protected void visitRangeChildren(Range old, Range range) {
+	   //super.visitRangeChildren(old, range);
+   }
+}
diff --git a/cat-home/src/main/java/com/dianping/cat/report/task/HistoryTransactionReportMerger.java b/cat-home/src/main/java/com/dianping/cat/report/task/HistoryTransactionReportMerger.java
new file mode 100755
index 0000000000000000000000000000000000000000..bb98c26cebff1f130e6d5db3fbb928457a4c5ce3
--- /dev/null
+++ b/cat-home/src/main/java/com/dianping/cat/report/task/HistoryTransactionReportMerger.java
@@ -0,0 +1,30 @@
+package com.dianping.cat.report.task;
+
+import com.dianping.cat.consumer.transaction.model.entity.AllDuration;
+import com.dianping.cat.consumer.transaction.model.entity.Duration;
+import com.dianping.cat.consumer.transaction.model.entity.Range;
+import com.dianping.cat.consumer.transaction.model.entity.TransactionReport;
+import com.dianping.cat.report.page.model.transaction.TransactionReportMerger;
+
+public class HistoryTransactionReportMerger extends TransactionReportMerger {
+
+	public HistoryTransactionReportMerger(TransactionReport transactionReport) {
+	   super(transactionReport);
+   }
+
+	@Override
+   public void visitAllDuration(AllDuration allDuration) {
+		//super.visitAllDuration(allDuration);
+   }
+
+	@Override
+   public void visitDuration(Duration duration) {
+		//super.visitDuration(duration);
+   }
+
+	@Override
+   public void visitRange(Range range) {
+	  // super.visitRange(range);
+   }
+	
+}
diff --git a/cat-home/src/main/java/com/dianping/cat/report/task/TransactionMerger.java b/cat-home/src/main/java/com/dianping/cat/report/task/TransactionMerger.java
index 3fe410e0547fb03c97bbbd655d2727f3f6881d97..899b195bca949bcc26215b3d16168459ab561a46 100644
--- a/cat-home/src/main/java/com/dianping/cat/report/task/TransactionMerger.java
+++ b/cat-home/src/main/java/com/dianping/cat/report/task/TransactionMerger.java
@@ -21,7 +21,7 @@ public class TransactionMerger implements ReportMerger<TransactionReport> {
 
 	public String mergeAll(String reportDomain, List<Report> reports) {
 		TransactionReport transactionReport = merge(reportDomain, reports);
-		TransactionReportMerger merger = new TransactionReportMerger(new TransactionReport(reportDomain));
+		TransactionReportMerger merger = new HistoryTransactionReportMerger(new TransactionReport(reportDomain));
 		TransactionReport transactionReport2 = merge(reportDomain, reports);
 		com.dianping.cat.consumer.transaction.model.entity.Machine allMachines = merger.mergesForAllMachine(transactionReport2);
 		transactionReport.addMachine(allMachines);
@@ -32,7 +32,7 @@ public class TransactionMerger implements ReportMerger<TransactionReport> {
 
 	public TransactionReport merge(String reportDomain, List<Report> reports) {
 		TransactionReport transactionReport;
-		TransactionReportMerger merger = new TransactionReportMerger(new TransactionReport(reportDomain));
+		TransactionReportMerger merger = new HistoryTransactionReportMerger(new TransactionReport(reportDomain));
 
 		for (Report report : reports) {
 			String xml = report.getContent();
diff --git a/cat-job/pom.xml b/cat-job/pom.xml
index bd51ebdf8021d67adc26fac14c3280db395f19be..9914734e97728e4831a2425a6a322711323052ae 100644
--- a/cat-job/pom.xml
+++ b/cat-job/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.dianping.cat</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.3.0</version>
+		<version>0.3.1</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>cat-job</artifactId>
diff --git a/pom.xml b/pom.xml
index 5c253a3a96b7a78376a1a90d5add63e34a0ad9b7..abb0f352f82aa01726a29d1d9de501b353b4b719 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.dianping.cat</groupId>
 	<artifactId>parent</artifactId>
-	<version>0.3.0</version>
+	<version>0.3.1</version>
 	<name>CAT</name>
 	<packaging>pom</packaging>
 	<modules>