diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 3b97244..202bbd5 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.netease.qa.emmagee"
     android:versionCode="30"
-    android:versionName="2.0" >
+    android:versionName="2.1" >
 
     <uses-sdk android:minSdkVersion="8" />
 
diff --git a/README.md b/README.md
index 422cbe5..be544a5 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ And Enjoy!
 If you want to stop the test, just go back to Emmagee and click Stop button.
 
 ## Coming Soon
-* Integrating FPS
+* We want you to decide!
 
 ## How to Contribute?
 
@@ -56,11 +56,12 @@ You are welcome to contribute to Emmagee, meanwhile you'd better follow the rule
 ## Contributors
 * NetEase, Inc.
 * [yrom](https://github.com/yrom)
+* [LukeOwncloud](https://github.com/LukeOwncloud)
 
 ## License
 (The Apache License)
 
-Copyright (c) 2012-2014 NetEase, Inc. and other contributors
+Copyright (c) 2012-2015 NetEase, Inc. and other contributors
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/src/com/netease/qa/emmagee/service/EmmageeService.java b/src/com/netease/qa/emmagee/service/EmmageeService.java
index 745434f..a965ad4 100644
--- a/src/com/netease/qa/emmagee/service/EmmageeService.java
+++ b/src/com/netease/qa/emmagee/service/EmmageeService.java
@@ -441,7 +441,7 @@ private void dataRefresh() {
 			String processCpuRatio = "0.00";
 			String totalCpuRatio = "0.00";
 			String trafficSize = "0";
-			int tempTraffic = 0;
+			long tempTraffic = 0L;
 			double trafficMb = 0;
 			boolean isMb = false;
 			if (!processInfo.isEmpty()) {
@@ -449,7 +449,7 @@ private void dataRefresh() {
 				totalCpuRatio = processInfo.get(1);
 				trafficSize = processInfo.get(2);
 				if (!(BLANK_STRING.equals(trafficSize)) && !("-1".equals(trafficSize))) {
-					tempTraffic = Integer.parseInt(trafficSize);
+					tempTraffic = Long.parseLong(trafficSize);
 					if (tempTraffic > 1024) {
 						isMb = true;
 						trafficMb = (double) tempTraffic / 1024;
diff --git a/src/com/netease/qa/emmagee/utils/CpuInfo.java b/src/com/netease/qa/emmagee/utils/CpuInfo.java
index 58c750b..a59e590 100644
--- a/src/com/netease/qa/emmagee/utils/CpuInfo.java
+++ b/src/com/netease/qa/emmagee/utils/CpuInfo.java
@@ -260,8 +260,11 @@ public ArrayList<String> getCpuRatioInfo(String totalBatt, String currentBatt, S
 				lastestTraffic = trafficInfo.getTrafficInfo();
 				if (initialTraffic == -1)
 					traffic = -1;
-				else
+				else {
 					traffic = (lastestTraffic - initialTraffic + 1023) / 1024;
+				}
+				Log.d(LOG_TAG, "lastestTraffic===" + lastestTraffic);
+				Log.d(LOG_TAG, "initialTraffic===" + initialTraffic);
 				StringBuffer totalCpuBuffer = new StringBuffer();
 				if (null != totalCpu2 && totalCpu2.size() > 0) {
 					processCpuRatio = fomart.format(100 * ((double) (processCpu - processCpu2) / ((double) (totalCpu.get(0) - totalCpu2.get(0)))));
diff --git a/src/com/netease/qa/emmagee/utils/TrafficInfo.java b/src/com/netease/qa/emmagee/utils/TrafficInfo.java
index be692a7..69ec248 100644
--- a/src/com/netease/qa/emmagee/utils/TrafficInfo.java
+++ b/src/com/netease/qa/emmagee/utils/TrafficInfo.java
@@ -29,8 +29,7 @@
  */
 public class TrafficInfo {
 
-	private static final String LOG_TAG = "Emmagee-"
-			+ TrafficInfo.class.getSimpleName();
+	private static final String LOG_TAG = "Emmagee-" + TrafficInfo.class.getSimpleName();
 
 	private String uid;
 
@@ -46,6 +45,7 @@ public TrafficInfo(String uid) {
 	 */
 	public long getTrafficInfo() {
 		Log.i(LOG_TAG, "get traffic information");
+		Log.d(LOG_TAG, "uid===" + uid);
 		RandomAccessFile rafRcv = null, rafSnd = null;
 		String rcvPath = "/proc/uid_stat/" + uid + "/tcp_rcv";
 		String sndPath = "/proc/uid_stat/" + uid + "/tcp_snd";
@@ -73,10 +73,11 @@ public long getTrafficInfo() {
 				if (rafSnd != null)
 					rafSnd.close();
 			} catch (IOException e) {
-				Log.i(LOG_TAG,
-						"close randomAccessFile exception: " + e.getMessage());
+				Log.i(LOG_TAG, "close randomAccessFile exception: " + e.getMessage());
 			}
 		}
+		Log.d(LOG_TAG, "rcvTraffic===" + rcvTraffic);
+		Log.d(LOG_TAG, "sndTraffic===" + sndTraffic);
 		if (rcvTraffic == -1 || sndTraffic == -1) {
 			return -1;
 		} else