diff --git a/pom.xml b/pom.xml
index e35ce5cae5ec1a522408b7d16ac2beb7680f64d2..a01e75d27e9a7ebc0adc910d480066a76646ce7a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>com.a.eye</groupId>
 	<artifactId>skywalking</artifactId>
-	<version>3.1-2017</version>
+	<version>3.0.1-2017</version>
 
 	<licenses>
 		<license>
diff --git a/skywalking-application-toolkit/pom.xml b/skywalking-application-toolkit/pom.xml
index 81a68de6762b313d696452ad67fd65c5ce2e3873..c8c7a23b8c8592fea9947b0cdce4dc63f0783ffb 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>3.1-2017</version>
+        <version>3.0.1-2017</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 6c98822e28600b87df4205b63acd6256c6316149..9e46e59cc97ce5e81ae6a39706ff835389468df2 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>3.1-2017</version>
+        <version>3.0.1-2017</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 63d999be4725d810e9216bb51f3931a8d274d508..24cdd83d8561ee6a590b3cfd4efed7cfe9bccc99 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>3.1-2017</version>
+        <version>3.0.1-2017</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 d83aedb15cf0c195125fd853b9e993e6e6ae39a0..09c919c16754f29f48b2fc5a7422127bf96901ee 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>3.1-2017</version>
+        <version>3.0.1-2017</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 801ec13bb1f3519d2a147214982d48f821c2007c..e5d8428f7eeaa381f885fabaa83b80d656230e66 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>3.1-2017</version>
+        <version>3.0.1-2017</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 322c195da737f6803573c38087290bd9060467f6..47de1e39211ebe44a62acc449d6d9bb3d0cd2e62 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-collector/pom.xml b/skywalking-collector/pom.xml
index 43fbd97824d6cd067c300bc4d2bedf342df4b29c..e695b2868483c3f1c8c0014d3617e076029fb4da 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>3.1-2017</version>
+        <version>3.0.1-2017</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 b3e70db535442030064944d683d77bcd3ef481cf..090ad1af7294a66827992095d66b8417b6c0f4fd 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>3.1-2017</version>
+        <version>3.0.1-2017</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 6da5a1ba6180592403b3ea37bb905f627196cac3..69f906d66962773be766dd03479e489bc83841c7 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>3.1-2017</version>
+        <version>3.0.1-2017</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 2880073fb875af2e1d06ae7aaff7333f18ebc9fa..fdae9454e60c5aed355dd8037e2203d81cc64fc4 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/pom.xml b/skywalking-commons/pom.xml
index f4cc053939c92ccb849819283a021ff472acf65d..7cbc71e43414983106b8fce4e085ce81a2584fc2 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>3.1-2017</version>
+        <version>3.0.1-2017</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 e0169ecd2566fa5c56e8d2cd7c73f1b8d20254fe..ad7aa914c330bfac5f913216f1346a32c73287b0 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>3.1-2017</version>
+        <version>3.0.1-2017</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 f9b0cf77bdf398c308c859e6313dfc2404dc688f..d139ee651c6c3f416156d05919e3da8f88a973c7 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-trace/pom.xml b/skywalking-commons/skywalking-trace/pom.xml
index e564c43d4ea29c2dc67196108751834ba9bcd9e3..27c6fb381f2c1bcce22c6ec0a8868df45d75ba79 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-commons/skywalking-util/pom.xml b/skywalking-commons/skywalking-util/pom.xml
index 10d27984f97ac843aa7e7984455c4615245e4b56..f3e2796da00e42cc065b7a0e7ff9ec3d3326049f 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/skywalking-sniffer/pom.xml b/skywalking-sniffer/pom.xml
index 47c7dd849d9a62a07291df2dfc85c28ba488df3c..f801062fd168cc28eeb83a069f405c7f16c9c619 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>com.a.eye</groupId>
             <artifactId>skywalking-util</artifactId>
-            <version>3.1-2017</version>
+            <version>3.0.1-2017</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 d3f46a198245604951e5324aacfb45efb4124664..32423811d65f452acb1bfe2bff1e2f08f48c5e4e 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>3.1-2017</version>
+    <version>3.0.1-2017</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 3983f0c91898bc708e0e3b174655eb2ab0f7a4d7..df778f4c8281cf2477cb086c5798effd063a06af 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
 
     <artifactId>skywalking-agent</artifactId>
diff --git a/skywalking-sniffer/skywalking-api/pom.xml b/skywalking-sniffer/skywalking-api/pom.xml
index 27349e1e289d5abfbea14e43b19b8c2049afab4e..d0891a6a1d19aab85b8f2ab22b37749596844bfb 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>3.1-2017</version>
+        <version>3.0.1-2017</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 141fa8c9d42217f4722ee17fde8d5bf956e3e185..178f75fca8e0700b328314fc9cc5b7f2ac66e256 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>3.1-2017</version>
+        <version>3.0.1-2017</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 67415f9912dc8263059ad5d2c37012689aa06d88..03d374f4767f78e9195a2e251bed524297bcf73e 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>3.1-2017</version>
+		<version>3.0.1-2017</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 83c74de9b05f70e17a8f50718aa9cc78f1027858..24f01faa90b7fd53b27651bcb0797fa34e5fa08a 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>3.1-2017</version>
+        <version>3.0.1-2017</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 08fbd7d2a59af55d6be8c6f4f2b767de6c67b022..94190a8d30139cfc3ecd4bbdfbfc7c14ea7b2c3b 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>3.1-2017</version>
+		<version>3.0.1-2017</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 6f2347286a79c7c8c5809da6ef43db64867ea5f2..c2e984a70a12578f13dc661e9f19ee2478c0891e 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>3.1-2017</version>
+        <version>3.0.1-2017</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 6f80d4f4aa531b6287a8cea983401ed3e1e729ba..e6c83e9bcfb9afde4b19516522277c6596c200de 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>3.1-2017</version>
+		<version>3.0.1-2017</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 d2c07c5edd7eaa754c109cc1883f890b90dcb68a..f77ab90af7e1522ee97e080d26089a313f04ecaa 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>3.1-2017</version>
+        <version>3.0.1-2017</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 0b20b5de0375a62411771490b00a6c3979dbc46d..83599637ab99b5f0d3dc563c242ba1e2cf4582a0 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>3.1-2017</version>
+        <version>3.0.1-2017</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 1b25cf931379263e4e02e46c10981955952d027f..0b6e42e9320eb893db56cc3457832f3495fd7448 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>3.1-2017</version>
+        <version>3.0.1-2017</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 b98d02a923d69f6cbeb540efc937287ed0824bd7..2876c01c2ac1fc381c12af88f229c9f0fd1db427 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>3.1-2017</version>
+        <version>3.0.1-2017</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 19e5f8fc381787ed7346f7b8057db80694ff38c9..8eeb1abb19dff70898bca888d0e4720764e95a57 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>3.1-2017</version>
+        <version>3.0.1-2017</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 ea297a5896b774a95547970348b8da7423056fec..de9c88147755a0374f5a8fecf1dec87673784bd7 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>3.1-2017</version>
+        <version>3.0.1-2017</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 0ea52ffe80fc6561ca41dd7ccf8bef6f0d584cf8..2e907cd523646dac9312a5693a974504bbf71087 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>3.1-2017</version>
+        <version>3.0.1-2017</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 c1709007831dfac839419262f7e8b7e394000f4c..bf4480a49ab8c54b909de5a99679c1646bd69ece 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>3.1-2017</version>
+        <version>3.0.1-2017</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>