diff --git a/src/main/java/com/handu/open/dubbo/monitor/controller/StatisticsController.java b/src/main/java/com/handu/open/dubbo/monitor/controller/StatisticsController.java
index a49e483..18aec64 100644
--- a/src/main/java/com/handu/open/dubbo/monitor/controller/StatisticsController.java
+++ b/src/main/java/com/handu/open/dubbo/monitor/controller/StatisticsController.java
@@ -64,7 +64,7 @@ public String index(@ModelAttribute DubboInvoke dubboInvoke, Model model) {
                 }
                 dubboStatistics.setProviderSuccess(di.getSuccess());
                 dubboStatistics.setProviderFailure(di.getFailure());
-                dubboStatistics.setProviderAvgElapsed(di.getSuccess() != 0 ? di.getElapsed() / di.getSuccess() : 0);
+                dubboStatistics.setProviderAvgElapsed(di.getSuccess() != 0 ? Double.valueOf(String.format("%.4f", di.getElapsed() / di.getSuccess())) : 0);
                 dubboStatistics.setProviderMaxElapsed(di.getMaxElapsed());
                 dubboStatistics.setProviderMaxConcurrent(di.getMaxConcurrent());
             }
@@ -76,7 +76,7 @@ public String index(@ModelAttribute DubboInvoke dubboInvoke, Model model) {
                 }
                 dubboStatistics.setConsumerSuccess(di.getSuccess());
                 dubboStatistics.setConsumerFailure(di.getFailure());
-                dubboStatistics.setConsumerAvgElapsed(di.getSuccess() != 0 ? di.getElapsed() / di.getSuccess() : 0);
+                dubboStatistics.setConsumerAvgElapsed(di.getSuccess() != 0 ? Double.valueOf(String.format("%.4f", di.getElapsed() / di.getSuccess())) : 0);
                 dubboStatistics.setConsumerMaxElapsed(di.getMaxElapsed());
                 dubboStatistics.setConsumerMaxConcurrent(di.getMaxConcurrent());
             }
diff --git a/src/main/java/com/handu/open/dubbo/monitor/domain/DubboInvoke.java b/src/main/java/com/handu/open/dubbo/monitor/domain/DubboInvoke.java
index 5e11db4..7d5a9e6 100644
--- a/src/main/java/com/handu/open/dubbo/monitor/domain/DubboInvoke.java
+++ b/src/main/java/com/handu/open/dubbo/monitor/domain/DubboInvoke.java
@@ -48,13 +48,13 @@ public class DubboInvoke implements Serializable {
 
     private double elapsed;
 
-    private double concurrent;
+    private int concurrent;
 
-    private double maxElapsed;
+    private int maxElapsed;
 
-    private double maxConcurrent;
+    private int maxConcurrent;
 
-    private double invokeTime;
+    private long invokeTime;
 
     // ====================查询辅助参数===================
     /**
@@ -125,7 +125,7 @@ public void setId(String id) {
         this.id = id;
     }
 
-    public Long getTimeParticle() {
+    public long getTimeParticle() {
         return timeParticle;
     }
 
@@ -174,27 +174,27 @@ public void setElapsed(double elapsed) {
         this.elapsed = elapsed;
     }
 
-    public double getConcurrent() {
+    public int getConcurrent() {
         return concurrent;
     }
 
-    public void setConcurrent(double concurrent) {
+    public void setConcurrent(int concurrent) {
         this.concurrent = concurrent;
     }
 
-    public double getMaxElapsed() {
+    public int getMaxElapsed() {
         return maxElapsed;
     }
 
-    public void setMaxElapsed(double maxElapsed) {
+    public void setMaxElapsed(int maxElapsed) {
         this.maxElapsed = maxElapsed;
     }
 
-    public double getMaxConcurrent() {
+    public int getMaxConcurrent() {
         return maxConcurrent;
     }
 
-    public void setMaxConcurrent(double maxConcurrent) {
+    public void setMaxConcurrent(int maxConcurrent) {
         this.maxConcurrent = maxConcurrent;
     }
 
@@ -202,11 +202,11 @@ public void setTimeParticle(long timeParticle) {
         this.timeParticle = timeParticle;
     }
 
-    public double getInvokeTime() {
+    public long getInvokeTime() {
         return invokeTime;
     }
 
-    public void setInvokeTime(double invokeTime) {
+    public void setInvokeTime(long invokeTime) {
         this.invokeTime = invokeTime;
     }
 }
diff --git a/src/main/java/com/handu/open/dubbo/monitor/support/CommonResponse.java b/src/main/java/com/handu/open/dubbo/monitor/support/CommonResponse.java
index 15de3e1..9cdb15b 100644
--- a/src/main/java/com/handu/open/dubbo/monitor/support/CommonResponse.java
+++ b/src/main/java/com/handu/open/dubbo/monitor/support/CommonResponse.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright 2006-2015 handu.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.handu.open.dubbo.monitor.support;
 
 import org.springframework.validation.FieldError;
diff --git a/src/main/java/com/handu/open/dubbo/monitor/support/UuidUtil.java b/src/main/java/com/handu/open/dubbo/monitor/support/UuidUtil.java
index ca5cf46..f6ce879 100644
--- a/src/main/java/com/handu/open/dubbo/monitor/support/UuidUtil.java
+++ b/src/main/java/com/handu/open/dubbo/monitor/support/UuidUtil.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright 2006-2015 handu.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.handu.open.dubbo.monitor.support;
 
 import java.util.UUID;