diff --git a/agent/pom.xml b/agent/pom.xml
index 665ea201a..f95cf9aec 100644
--- a/agent/pom.xml
+++ b/agent/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-agent</artifactId>
diff --git a/boot/pom.xml b/boot/pom.xml
index a5124518c..e944d5d99 100644
--- a/boot/pom.xml
+++ b/boot/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-boot</artifactId>
diff --git a/client/pom.xml b/client/pom.xml
index a845555ba..c30bdaaa0 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>arthas-all</artifactId>
         <groupId>com.taobao.arthas</groupId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/common/pom.xml b/common/pom.xml
index 1b25f0941..900643fc9 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-common</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index b699518cc..b7d0cd6db 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-core</artifactId>
diff --git a/demo/pom.xml b/demo/pom.xml
index cf67ca0cc..0f660edf6 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-demo</artifactId>
diff --git a/memorycompiler/pom.xml b/memorycompiler/pom.xml
index 36d05a31e..d68648bae 100644
--- a/memorycompiler/pom.xml
+++ b/memorycompiler/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-memorycompiler</artifactId>
diff --git a/packaging/pom.xml b/packaging/pom.xml
index 40187d008..090f0635f 100644
--- a/packaging/pom.xml
+++ b/packaging/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-packaging</artifactId>
diff --git a/pom.xml b/pom.xml
index a38245684..8af160add 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
 
     <groupId>com.taobao.arthas</groupId>
     <artifactId>arthas-all</artifactId>
-    <version>3.1.2-SNAPSHOT</version>
+    <version>3.1.2</version>
     <packaging>pom</packaging>
 
     <name>arthas-all</name>
diff --git a/site/pom.xml b/site/pom.xml
index 1065258e1..ff0d68c6b 100644
--- a/site/pom.xml
+++ b/site/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-site</artifactId>
diff --git a/spy/pom.xml b/spy/pom.xml
index 687665e5c..fd29593af 100644
--- a/spy/pom.xml
+++ b/spy/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-spy</artifactId>
diff --git a/testcase/pom.xml b/testcase/pom.xml
index 4f5ee6287..20213a452 100644
--- a/testcase/pom.xml
+++ b/testcase/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.1.2-SNAPSHOT</version>
+        <version>3.1.2</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-testcase</artifactId>
diff --git a/tunnel-client/pom.xml b/tunnel-client/pom.xml
index fa12db691..10efd3c65 100644
--- a/tunnel-client/pom.xml
+++ b/tunnel-client/pom.xml
@@ -1,12 +1,10 @@
 <?xml version="1.0"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	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">
+<project xmlns="http://maven.apache.org/POM/4.0.0" 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">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>com.taobao.arthas</groupId>
 		<artifactId>arthas-all</artifactId>
-		<version>3.1.2-SNAPSHOT</version>
+		<version>3.1.2</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>arthas-tunnel-client</artifactId>
diff --git a/tunnel-server/pom.xml b/tunnel-server/pom.xml
index 32dacd197..1dc841827 100644
--- a/tunnel-server/pom.xml
+++ b/tunnel-server/pom.xml
@@ -1,12 +1,10 @@
 <?xml version="1.0"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-	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">
+<project xmlns="http://maven.apache.org/POM/4.0.0" 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">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>com.taobao.arthas</groupId>
 		<artifactId>arthas-all</artifactId>
-		<version>3.1.2-SNAPSHOT</version>
+		<version>3.1.2</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>arthas-tunnel-server</artifactId>