diff --git a/pom.xml b/pom.xml
index 2e4705f311b0992a170a6e30bdd14b429a32430a..8f79e5ca9f43883f08df28fa590e1a1cb162ee51 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>com.a.eye</groupId>
 	<artifactId>skywalking</artifactId>
-	<version>3.0.1-2017</version>
+	<version>3.1-2017</version>
 
 	<licenses>
 		<license>
diff --git a/skywalking-application-toolkit/pom.xml b/skywalking-application-toolkit/pom.xml
index c8c7a23b8c8592fea9947b0cdce4dc63f0783ffb..81a68de6762b313d696452ad67fd65c5ce2e3873 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>3.0.1-2017</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 5936d0c8e7f24d59b6a9965390c1bb319e2aa2cd..9b9697700e65914a49361cda5d0db839d771968d 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>3.0.1-2017</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 7d9772c59dfe4b3a69120a8a155ca3a8fa7669fc..c40f8acb09cdf3de102b5df4974991d0791cb490 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>3.0.1-2017</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 d7a90c2db0e619623b92d170adf868dbc08bab2e..5380aad43b9eb8a52e5959ea11235ee03f388b41 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>3.0.1-2017</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 ab49fc1a4e7e204949a99cf0aa2bf2f6884f6100..c97a6b13d76cde7e6364afa45a46e2bdb00e4e83 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>3.0.1-2017</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 119c8a22c06b7d8de7e1a52368394901853bc6c4..912112d1d13605fbb01c57de2183ce6a5e278230 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>3.0.1-2017</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 8e09f8cd1fae6cb1fbfd5bd621737e9e8bc6769b..a3e209dfe41b5cf18751f01026172beca1e96529 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>3.0.1-2017</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 090ad1af7294a66827992095d66b8417b6c0f4fd..b3e70db535442030064944d683d77bcd3ef481cf 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>3.0.1-2017</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 69f906d66962773be766dd03479e489bc83841c7..6da5a1ba6180592403b3ea37bb905f627196cac3 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>3.0.1-2017</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 9c2a2071e00b67abf7353e4adef749f37ff72986..f500b9bf309a7a86d42bf99599bc41dca54e3557 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>3.0.1-2017</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 7cbc71e43414983106b8fce4e085ce81a2584fc2..f4cc053939c92ccb849819283a021ff472acf65d 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>3.0.1-2017</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 ad7aa914c330bfac5f913216f1346a32c73287b0..e0169ecd2566fa5c56e8d2cd7c73f1b8d20254fe 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>3.0.1-2017</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 d139ee651c6c3f416156d05919e3da8f88a973c7..f9b0cf77bdf398c308c859e6313dfc2404dc688f 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>3.0.1-2017</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 27c6fb381f2c1bcce22c6ec0a8868df45d75ba79..e564c43d4ea29c2dc67196108751834ba9bcd9e3 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>3.0.1-2017</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 f3e2796da00e42cc065b7a0e7ff9ec3d3326049f..10d27984f97ac843aa7e7984455c4615245e4b56 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>3.0.1-2017</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 f801062fd168cc28eeb83a069f405c7f16c9c619..47c7dd849d9a62a07291df2dfc85c28ba488df3c 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>3.0.1-2017</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>3.0.1-2017</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 32423811d65f452acb1bfe2bff1e2f08f48c5e4e..d3f46a198245604951e5324aacfb45efb4124664 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>3.0.1-2017</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 16a3c2ddb1dead48e73c0dd7295ed927ca22af18..09b0ca12dcaaa801ec661a931fcea955dd6fe6de 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>3.0.1-2017</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 d0891a6a1d19aab85b8f2ab22b37749596844bfb..27349e1e289d5abfbea14e43b19b8c2049afab4e 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>3.0.1-2017</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 178f75fca8e0700b328314fc9cc5b7f2ac66e256..141fa8c9d42217f4722ee17fde8d5bf956e3e185 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>3.0.1-2017</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 a62fe4a16736efd12a3f7524bc4b2f4df304729b..38e045a8e8b89cac05ea66e17b8354a1c323b96c 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>3.0.1-2017</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 24f01faa90b7fd53b27651bcb0797fa34e5fa08a..83c74de9b05f70e17a8f50718aa9cc78f1027858 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>3.0.1-2017</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 c0e81a3743020717f413a7270959863817139a87..e2d33388646e37bf5cb738f5affe4531582cfc95 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>3.0.1-2017</version>
+        <version>3.1-2017</version>
     </parent>
 
     <artifactId>skywalking-jedis-2.x-plugin</artifactId>
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/mongodb-3.x-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/mongodb-3.x-plugin/pom.xml
index 956a67a9eadf8d0791641eaedc428147142a74fc..1c9bf4fe142acd6a208d9a625acf2fbf59f78763 100644
--- a/skywalking-sniffer/skywalking-sdk-plugin/mongodb-3.x-plugin/pom.xml
+++ b/skywalking-sniffer/skywalking-sdk-plugin/mongodb-3.x-plugin/pom.xml
@@ -4,7 +4,7 @@
   	<parent>
         <artifactId>skywalking-sdk-plugin</artifactId>
         <groupId>com.a.eye</groupId>
-        <version>3.0.1-2017</version>
+        <version>3.1-2017</version>
     </parent>
 
     <artifactId>skywalking-mongodb-3.x-plugin</artifactId>
@@ -44,4 +44,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
\ No newline at end of file
+</project>
diff --git a/skywalking-sniffer/skywalking-sdk-plugin/motan-plugin/pom.xml b/skywalking-sniffer/skywalking-sdk-plugin/motan-plugin/pom.xml
index c2e984a70a12578f13dc661e9f19ee2478c0891e..6f2347286a79c7c8c5809da6ef43db64867ea5f2 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>3.0.1-2017</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 3c9e66864724565f8829d9a78fc03ab2228b79b9..3ab7c82ed77ca9271fe3bf3d02faf41df049336e 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>3.0.1-2017</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 f77ab90af7e1522ee97e080d26089a313f04ecaa..d2c07c5edd7eaa754c109cc1883f890b90dcb68a 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>3.0.1-2017</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 02c78b883bf3d192eca01dd6d4216f3820ac4fcd..7902ab4a0588b101f0a2b6af48b799ac0d87757e 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>3.0.1-2017</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 0b6e42e9320eb893db56cc3457832f3495fd7448..1b25cf931379263e4e02e46c10981955952d027f 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>3.0.1-2017</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 2876c01c2ac1fc381c12af88f229c9f0fd1db427..b98d02a923d69f6cbeb540efc937287ed0824bd7 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>3.0.1-2017</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 8eeb1abb19dff70898bca888d0e4720764e95a57..19e5f8fc381787ed7346f7b8057db80694ff38c9 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>3.0.1-2017</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 de9c88147755a0374f5a8fecf1dec87673784bd7..ea297a5896b774a95547970348b8da7423056fec 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>3.0.1-2017</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 2e907cd523646dac9312a5693a974504bbf71087..0ea52ffe80fc6561ca41dd7ccf8bef6f0d584cf8 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>3.0.1-2017</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 bf4480a49ab8c54b909de5a99679c1646bd69ece..c1709007831dfac839419262f7e8b7e394000f4c 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>3.0.1-2017</version>
+        <version>3.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>