diff --git a/pom.xml b/pom.xml
index d957e316bd..e35ce5cae5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>com.a.eye</groupId>
 	<artifactId>skywalking</artifactId>
-	<version>3.0-2017</version>
+	<version>3.1-2017</version>
 
 	<licenses>
 		<license>
diff --git a/skywalking-application-toolkit/pom.xml b/skywalking-application-toolkit/pom.xml
index d911d76127..81a68de676 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>3.0-2017</version>
+        <version>3.1-2017</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 7b0664e611..6c98822e28 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>3.0-2017</version>
+        <version>3.1-2017</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 54660c3ec7..63d999be47 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>3.0-2017</version>
+        <version>3.1-2017</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 80202b1c9d..d83aedb15c 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-application-toolkit/skywalking-toolkit-opentracing/pom.xml b/skywalking-application-toolkit/skywalking-toolkit-opentracing/pom.xml
index 99f5c2ac41..801ec13bb1 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-opentracing/pom.xml
+++ b/skywalking-application-toolkit/skywalking-toolkit-opentracing/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-application-toolkit</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</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 a4b07fb9af..322c195da7 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-collector/pom.xml b/skywalking-collector/pom.xml
index ad1ed0fbce..43fbd97824 100644
--- a/skywalking-collector/pom.xml
+++ b/skywalking-collector/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <artifactId>skywalking</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <artifactId>skywalking-collector</artifactId>
     <packaging>pom</packaging>
diff --git a/skywalking-collector/skywalking-collector-cluster/pom.xml b/skywalking-collector/skywalking-collector-cluster/pom.xml
index 7c25882d10..b3e70db535 100644
--- a/skywalking-collector/skywalking-collector-cluster/pom.xml
+++ b/skywalking-collector/skywalking-collector-cluster/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-collector</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-collector/skywalking-collector-commons/pom.xml b/skywalking-collector/skywalking-collector-commons/pom.xml
index 7716b3b729..6da5a1ba61 100644
--- a/skywalking-collector/skywalking-collector-commons/pom.xml
+++ b/skywalking-collector/skywalking-collector-commons/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-collector</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-collector/skywalking-collector-worker/pom.xml b/skywalking-collector/skywalking-collector-worker/pom.xml
index fe61d9bdfc..2880073fb8 100644
--- a/skywalking-collector/skywalking-collector-worker/pom.xml
+++ b/skywalking-collector/skywalking-collector-worker/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-collector</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/pom.xml b/skywalking-commons/pom.xml
index dd721fcf4a..f4cc053939 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-logging-api/pom.xml b/skywalking-commons/skywalking-logging-api/pom.xml
index df272ae6b5..e0169ecd25 100644
--- a/skywalking-commons/skywalking-logging-api/pom.xml
+++ b/skywalking-commons/skywalking-logging-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-commons</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-logging-log4j2/pom.xml b/skywalking-commons/skywalking-logging-log4j2/pom.xml
index 5fbe227ba2..f9b0cf77bd 100644
--- a/skywalking-commons/skywalking-logging-log4j2/pom.xml
+++ b/skywalking-commons/skywalking-logging-log4j2/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-commons</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-trace/pom.xml b/skywalking-commons/skywalking-trace/pom.xml
index cce9e99032..e564c43d4e 100644
--- a/skywalking-commons/skywalking-trace/pom.xml
+++ b/skywalking-commons/skywalking-trace/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-commons</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-util/pom.xml b/skywalking-commons/skywalking-util/pom.xml
index 2a565046e1..10d27984f9 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/pom.xml b/skywalking-sniffer/pom.xml
index a6aef14ebf..47c7dd849d 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>com.a.eye</groupId>
             <artifactId>skywalking-util</artifactId>
-            <version>3.0-2017</version>
+            <version>3.1-2017</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/skywalking-sniffer/skywalking-agent/dependency-reduced-pom.xml b/skywalking-sniffer/skywalking-agent/dependency-reduced-pom.xml
index 0d5b893955..d3f46a1982 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>3.0-2017</version>
+    <version>3.1-2017</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 fcc5b7fe88..3983f0c918 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
 
     <artifactId>skywalking-agent</artifactId>
diff --git a/skywalking-sniffer/skywalking-api/pom.xml b/skywalking-sniffer/skywalking-api/pom.xml
index eab817765e..27349e1e28 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
 
     <artifactId>skywalking-api</artifactId>
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/dubbo-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/dubbo-plugin/pom.xml
index bd8525c123..141fa8c9d4 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>3.0-2017</version>
+        <version>3.1-2017</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 03708288b9..67415f9912 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>3.0-2017</version>
+		<version>3.1-2017</version>
 	</parent>
 	
 	<artifactId>skywalking-httpClient-4.x-plugin</artifactId>
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/jdbc-plugin/pom.xml
index ebddf6e303..83c74de9b0 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>3.0-2017</version>
+        <version>3.1-2017</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 1b2ccf5a75..08fbd7d2a5 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>3.0-2017</version>
+		<version>3.1-2017</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 a2893276fc..6f2347286a 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>3.0-2017</version>
+        <version>3.1-2017</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 1ec3033ac3..6f80d4f4aa 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>3.0-2017</version>
+		<version>3.1-2017</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 32927646bb..d2c07c5edd 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-sniffer-mock/pom.xml b/skywalking-sniffer/skywalking-sniffer-mock/pom.xml
index 0c9310acf4..0b20b5de03 100644
--- a/skywalking-sniffer/skywalking-sniffer-mock/pom.xml
+++ b/skywalking-sniffer/skywalking-sniffer-mock/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-sniffer</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>skywalking-sniffer-mock</artifactId>
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/pom.xml
index 26ebce22fd..1b25cf9313 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>3.0-2017</version>
+        <version>3.1-2017</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 c4138642ec..b98d02a923 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>3.0-2017</version>
+        <version>3.1-2017</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 1e24bf73c6..19e5f8fc38 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>3.0-2017</version>
+        <version>3.1-2017</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 c15a0b1055..ea297a5896 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-opentracing-activation/pom.xml b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-opentracing-activation/pom.xml
index cf91ccd65a..0ea52ffe80 100644
--- a/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-opentracing-activation/pom.xml
+++ b/skywalking-sniffer/skywalking-toolkit-activation/skywalking-toolkit-opentracing-activation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>skywalking-toolkit-activation</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0-2017</version>
+        <version>3.1-2017</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 fff2540daf..c170900783 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>3.0-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>