diff --git a/pom.xml b/pom.xml
index e9b544e1b..20273d5c0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.a.eye</groupId>
     <artifactId>skywalking</artifactId>
-    <version>2.0-2016</version>
+    <version>2.1-2017</version>
 
     <modules>
         <module>skywalking-commons</module>
diff --git a/skywalking-alarm/pom.xml b/skywalking-alarm/pom.xml
index c8cb9c2b0..0f7233805 100644
--- a/skywalking-alarm/pom.xml
+++ b/skywalking-alarm/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>skywalking</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
 
 	<artifactId>skywalking-alarm</artifactId>
diff --git a/skywalking-application-toolkit/pom.xml b/skywalking-application-toolkit/pom.xml
index 0542dc054..19be7c443 100644
--- a/skywalking-application-toolkit/pom.xml
+++ b/skywalking-application-toolkit/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>skywalking-application-toolkit</artifactId>
diff --git a/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml b/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml
index 7b4c46b39..465b125a1 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml
+++ b/skywalking-application-toolkit/skywalking-toolkit-log4j-1.x/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-application-toolkit</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/pom.xml b/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/pom.xml
index 4e9a90090..d7d16ea95 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/pom.xml
+++ b/skywalking-application-toolkit/skywalking-toolkit-log4j-2.x/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-application-toolkit</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-application-toolkit/skywalking-toolkit-logback-1.x/pom.xml b/skywalking-application-toolkit/skywalking-toolkit-logback-1.x/pom.xml
index 0b7511667..3674226ba 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-logback-1.x/pom.xml
+++ b/skywalking-application-toolkit/skywalking-toolkit-logback-1.x/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-application-toolkit</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-application-toolkit/skywalking-toolkit-trace-context/pom.xml b/skywalking-application-toolkit/skywalking-toolkit-trace-context/pom.xml
index 848b94744..4c67f947d 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-trace-context/pom.xml
+++ b/skywalking-application-toolkit/skywalking-toolkit-trace-context/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>skywalking-application-toolkit</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/pom.xml b/skywalking-commons/pom.xml
index 5e104e67d..cd6b72216 100644
--- a/skywalking-commons/pom.xml
+++ b/skywalking-commons/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-health-report/pom.xml b/skywalking-commons/skywalking-health-report/pom.xml
index 506f13422..f492fc0ba 100644
--- a/skywalking-commons/skywalking-health-report/pom.xml
+++ b/skywalking-commons/skywalking-health-report/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking-commons</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-logging/pom.xml b/skywalking-commons/skywalking-logging/pom.xml
index 6802cab9a..de6812c1e 100644
--- a/skywalking-commons/skywalking-logging/pom.xml
+++ b/skywalking-commons/skywalking-logging/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking-commons</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-logging/skywalking-logging-api/pom.xml b/skywalking-commons/skywalking-logging/skywalking-logging-api/pom.xml
index 792273a89..2c31de0b6 100644
--- a/skywalking-commons/skywalking-logging/skywalking-logging-api/pom.xml
+++ b/skywalking-commons/skywalking-logging/skywalking-logging-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-logging</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-logging/skywalking-logging-impl-log4j2/pom.xml b/skywalking-commons/skywalking-logging/skywalking-logging-impl-log4j2/pom.xml
index f01053079..f27ac70fa 100644
--- a/skywalking-commons/skywalking-logging/skywalking-logging-impl-log4j2/pom.xml
+++ b/skywalking-commons/skywalking-logging/skywalking-logging-impl-log4j2/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-logging</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-registry/pom.xml b/skywalking-commons/skywalking-registry/pom.xml
index 4f54004ba..78dfe5d0a 100644
--- a/skywalking-commons/skywalking-registry/pom.xml
+++ b/skywalking-commons/skywalking-registry/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking-commons</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-util/pom.xml b/skywalking-commons/skywalking-util/pom.xml
index 2c4c46830..81527a910 100644
--- a/skywalking-commons/skywalking-util/pom.xml
+++ b/skywalking-commons/skywalking-util/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking-commons</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-network/pom.xml b/skywalking-network/pom.xml
index 3ba73a507..fb486f416 100644
--- a/skywalking-network/pom.xml
+++ b/skywalking-network/pom.xml
@@ -3,7 +3,7 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <groupId>com.a.eye</groupId>
-    <version>2.0-2016</version>
+    <version>2.1-2017</version>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>skywalking-network</artifactId>
diff --git a/skywalking-sniffer/pom.xml b/skywalking-sniffer/pom.xml
index a04076de1..686d9f0eb 100644
--- a/skywalking-sniffer/pom.xml
+++ b/skywalking-sniffer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-agent/dependency-reduced-pom.xml b/skywalking-sniffer/skywalking-agent/dependency-reduced-pom.xml
index a597e2a39..6bae01f06 100644
--- a/skywalking-sniffer/skywalking-agent/dependency-reduced-pom.xml
+++ b/skywalking-sniffer/skywalking-agent/dependency-reduced-pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>skywalking-sniffer</artifactId>
     <groupId>com.a.eye</groupId>
-    <version>2.0-2016</version>
+    <version>2.1-2017</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>skywalking-agent</artifactId>
diff --git a/skywalking-sniffer/skywalking-agent/pom.xml b/skywalking-sniffer/skywalking-agent/pom.xml
index dd5f87559..ad9d82398 100644
--- a/skywalking-sniffer/skywalking-agent/pom.xml
+++ b/skywalking-sniffer/skywalking-agent/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.a.eye</groupId>
         <artifactId>skywalking-sniffer</artifactId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
 
     <artifactId>skywalking-agent</artifactId>
diff --git a/skywalking-sniffer/skywalking-api/pom.xml b/skywalking-sniffer/skywalking-api/pom.xml
index 896abf467..fa325f107 100644
--- a/skywalking-sniffer/skywalking-api/pom.xml
+++ b/skywalking-sniffer/skywalking-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.a.eye</groupId>
         <artifactId>skywalking-sniffer</artifactId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
 
 
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/dubbo-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/dubbo-plugin/pom.xml
index 7878566e7..3e6b99c3d 100644
--- a/skywalking-sniffer/skywalking-sdk-plugin/dubbo-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/dubbo-plugin/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking-sdk-plugin</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml
index ab3ce8620..af08523cd 100644
--- a/skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/httpClient-4.x-plugin/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.a.eye</groupId>
 		<artifactId>skywalking-sdk-plugin</artifactId>
-		<version>2.0-2016</version>
+		<version>2.1-2017</version>
 	</parent>
 	
 	<artifactId>skywalking-httpClient-4.x-plugin</artifactId>
@@ -23,7 +23,7 @@
 		<dependency>
 			<groupId>com.a.eye</groupId>
 			<artifactId>skywalking-api</artifactId>
-			<version>2.0-2016</version>
+			<version>2.1-2017</version>
 		</dependency>
 		
 
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/pom.xml
index f155218b4..7f1fc789b 100755
--- a/skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<artifactId>skywalking-sdk-plugin</artifactId>
 		<groupId>com.a.eye</groupId>
-		<version>2.0-2016</version>
+		<version>2.1-2017</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml
index c6c75fc69..9f5f0018a 100644
--- a/skywalking-sniffer/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/jedis-2.x-plugin/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.a.eye</groupId>
 		<artifactId>skywalking-sdk-plugin</artifactId>
-		<version>2.0-2016</version>
+		<version>2.1-2017</version>
 	</parent>
 
 	<artifactId>skywalking-jedis-2.x-plugin</artifactId>
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/motan-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/motan-plugin/pom.xml
index 5459c261a..14194690b 100644
--- a/skywalking-sniffer/skywalking-sdk-plugin/motan-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/motan-plugin/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking-sdk-plugin</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/pom.xml
index e47c91342..ef51eeedf 100644
--- a/skywalking-sniffer/skywalking-sdk-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.a.eye</groupId>
 		<artifactId>skywalking-sniffer</artifactId>
-		<version>2.0-2016</version>
+		<version>2.1-2017</version>
 	</parent>
 
 	<artifactId>skywalking-sdk-plugin</artifactId>
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml
index b90764dc5..d11c63818 100644
--- a/skywalking-sniffer/skywalking-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/tomcat-7.x-8.x-plugin/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>skywalking-sdk-plugin</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/pom.xml
index be0690c5d..3e31fada8 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/pom.xml
+++ b/skywalking-sniffer/skywalking-toolkit-activation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-sniffer</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml
index d4e9a17cd..c7f98f575 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-1.x-activation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-toolkit-activation</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/pom.xml
index 4cabad547..968158f3e 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/pom.xml
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-log4j-2.x-activation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-toolkit-activation</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-logback-1.x-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-logback-1.x-activation/pom.xml
index d3f815723..66fcb6349 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-logback-1.x-activation/pom.xml
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-logback-1.x-activation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-toolkit-activation</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-trace-context-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-trace-context-activation/pom.xml
index 873703d8e..4bcf8902c 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-trace-context-activation/pom.xml
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-trace-context-activation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>skywalking-toolkit-activation</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-storage-center/pom.xml b/skywalking-storage-center/pom.xml
index 1115373a7..7f5df67ef 100644
--- a/skywalking-storage-center/pom.xml
+++ b/skywalking-storage-center/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-storage-center/skywalking-routing/pom.xml b/skywalking-storage-center/skywalking-routing/pom.xml
index 21b804042..36549239d 100644
--- a/skywalking-storage-center/skywalking-routing/pom.xml
+++ b/skywalking-storage-center/skywalking-routing/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>skywalking-storage-center</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>com.a.eye</groupId>
             <artifactId>skywalking-util</artifactId>
-            <version>2.0-2016</version>
+            <version>2.1-2017</version>
         </dependency>
     </dependencies>
 
diff --git a/skywalking-storage-center/skywalking-storage/pom.xml b/skywalking-storage-center/skywalking-storage/pom.xml
index ac25084e0..562e78048 100644
--- a/skywalking-storage-center/skywalking-storage/pom.xml
+++ b/skywalking-storage-center/skywalking-storage/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-storage-center</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
 
     <artifactId>skywalking-storage</artifactId>
diff --git a/skywalking-webui/pom.xml b/skywalking-webui/pom.xml
index 607732a8b..adefaa905 100644
--- a/skywalking-webui/pom.xml
+++ b/skywalking-webui/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>skywalking</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>2.0-2016</version>
+        <version>2.1-2017</version>
     </parent>
 
     <artifactId>skywalking-webui</artifactId>