diff --git a/.gitignore b/.gitignore
index 047de2754..aa22d9532 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@ site/src/site/sphinx/en/_build
 dependency-reduced-pom.xml
 pom.xml.versionsBackup
 .pmd
+**/.flattened-pom.xml
diff --git a/agent/pom.xml b/agent/pom.xml
index cb27ac059..911717ff7 100644
--- a/agent/pom.xml
+++ b/agent/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-agent</artifactId>
diff --git a/arthas-agent-attach/pom.xml b/arthas-agent-attach/pom.xml
index 5d6485e45..4f558d487 100644
--- a/arthas-agent-attach/pom.xml
+++ b/arthas-agent-attach/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-agent-attach</artifactId>
diff --git a/arthas-spring-boot-starter/pom.xml b/arthas-spring-boot-starter/pom.xml
index c675ede6a..7e554f746 100644
--- a/arthas-spring-boot-starter/pom.xml
+++ b/arthas-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/boot/pom.xml b/boot/pom.xml
index f5e7629ff..f80c750ce 100644
--- a/boot/pom.xml
+++ b/boot/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-boot</artifactId>
diff --git a/bytekit/pom.xml b/bytekit/pom.xml
index ae50ec410..37477376e 100644
--- a/bytekit/pom.xml
+++ b/bytekit/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-bytekit</artifactId>
diff --git a/client/pom.xml b/client/pom.xml
index 68e48d1e0..16b692951 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>arthas-all</artifactId>
         <groupId>com.taobao.arthas</groupId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/common/pom.xml b/common/pom.xml
index d4fbe9152..1163a308d 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-common</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 5d809cf05..88979b918 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-core</artifactId>
diff --git a/demo/pom.xml b/demo/pom.xml
index 5f9b77b30..123c64840 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-demo</artifactId>
diff --git a/memorycompiler/pom.xml b/memorycompiler/pom.xml
index b9089495b..58ee25f64 100644
--- a/memorycompiler/pom.xml
+++ b/memorycompiler/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-memorycompiler</artifactId>
diff --git a/packaging/pom.xml b/packaging/pom.xml
index 5d91628f8..e4799e326 100644
--- a/packaging/pom.xml
+++ b/packaging/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-packaging</artifactId>
diff --git a/pom.xml b/pom.xml
index 77829633a..b75961087 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
 
     <groupId>com.taobao.arthas</groupId>
     <artifactId>arthas-all</artifactId>
-    <version>3.4.4-SNAPSHOT</version>
+    <version>${revision}</version>
     <packaging>pom</packaging>
 
     <name>arthas-all</name>
@@ -121,6 +121,7 @@
     </profiles>
 
     <properties>
+        <revision>3.4.4-SNAPSHOT</revision>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.target>1.6</maven.compiler.target>
         <maven.compiler.source>1.6</maven.compiler.source>
@@ -326,6 +327,30 @@
                 </executions>
             </plugin>
 
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>flatten-maven-plugin</artifactId>
+                <version>1.2.2</version>
+                <configuration>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>flatten</id>
+                        <phase>process-resources</phase>
+                        <goals>
+                            <goal>flatten</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>flatten.clean</id>
+                        <phase>clean</phase>
+                        <goals>
+                            <goal>clean</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
diff --git a/site/pom.xml b/site/pom.xml
index 2afa320d4..b5a495dba 100644
--- a/site/pom.xml
+++ b/site/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-site</artifactId>
diff --git a/spy/pom.xml b/spy/pom.xml
index 80fa17f6a..b62fa39c9 100644
--- a/spy/pom.xml
+++ b/spy/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-spy</artifactId>
diff --git a/testcase/pom.xml b/testcase/pom.xml
index ed0e033e7..f73e5e72a 100644
--- a/testcase/pom.xml
+++ b/testcase/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.taobao.arthas</groupId>
         <artifactId>arthas-all</artifactId>
-        <version>3.4.4-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>arthas-testcase</artifactId>
diff --git a/tunnel-client/pom.xml b/tunnel-client/pom.xml
index 5d1480cab..3aecf161b 100644
--- a/tunnel-client/pom.xml
+++ b/tunnel-client/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.taobao.arthas</groupId>
 		<artifactId>arthas-all</artifactId>
-		<version>3.4.4-SNAPSHOT</version>
+		<version>${revision}</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>arthas-tunnel-client</artifactId>
diff --git a/tunnel-server/pom.xml b/tunnel-server/pom.xml
index ca7542f74..7d5369ac1 100644
--- a/tunnel-server/pom.xml
+++ b/tunnel-server/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>com.taobao.arthas</groupId>
 		<artifactId>arthas-all</artifactId>
-		<version>3.4.4-SNAPSHOT</version>
+		<version>${revision}</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>arthas-tunnel-server</artifactId>