diff --git a/dubbo-all/pom.xml b/dubbo-all/pom.xml
index 4784ffc27d..a4a0b5cc3c 100644
--- a/dubbo-all/pom.xml
+++ b/dubbo-all/pom.xml
@@ -19,11 +19,11 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>dubbo</artifactId>
-    <version>2.7.1</version>
+    <version>2.7.1-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>dubbo-all</name>
     <description>The all in one project of dubbo</description>
diff --git a/dubbo-bom/pom.xml b/dubbo-bom/pom.xml
index 565b9c4c4b..47875b83ff 100644
--- a/dubbo-bom/pom.xml
+++ b/dubbo-bom/pom.xml
@@ -6,12 +6,12 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-bom</artifactId>
-    <version>2.7.1</version>
+    <version>2.7.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>dubbo-bom</name>
@@ -30,7 +30,7 @@
         <url>https://github.com/apache/incubator-dubbo</url>
         <connection>scm:git:https://github.com/apache/incubator-dubbo.git</connection>
         <developerConnection>scm:git:https://github.com/apache/incubator-dubbo.git</developerConnection>
-      <tag>dubbo-2.7.1</tag>
+      <tag>HEAD</tag>
   </scm>
     <mailingLists>
         <mailingList>
diff --git a/dubbo-cluster/pom.xml b/dubbo-cluster/pom.xml
index c73f269cc1..58d0367d87 100644
--- a/dubbo-cluster/pom.xml
+++ b/dubbo-cluster/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-cluster</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-common/pom.xml b/dubbo-common/pom.xml
index 04dbec8636..bd3347f524 100644
--- a/dubbo-common/pom.xml
+++ b/dubbo-common/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-common</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-compatible/pom.xml b/dubbo-compatible/pom.xml
index 615813be6d..43d14f9510 100644
--- a/dubbo-compatible/pom.xml
+++ b/dubbo-compatible/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-compatible</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-config/dubbo-config-api/pom.xml b/dubbo-config/dubbo-config-api/pom.xml
index ca0098bf34..19c7aca7bb 100644
--- a/dubbo-config/dubbo-config-api/pom.xml
+++ b/dubbo-config/dubbo-config-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-config</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-config-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-config/dubbo-config-spring/pom.xml b/dubbo-config/dubbo-config-spring/pom.xml
index 11030d6748..988715baf4 100644
--- a/dubbo-config/dubbo-config-spring/pom.xml
+++ b/dubbo-config/dubbo-config-spring/pom.xml
@@ -1,132 +1,132 @@
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one or more
-  contributor license agreements.  See the NOTICE file distributed with
-  this work for additional information regarding copyright ownership.
-  The ASF licenses this file to You under the Apache License, Version 2.0
-  (the "License"); you may not use this file except in compliance with
-  the License.  You may obtain a copy of the License at
-
-      http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-  -->
-<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/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>org.apache.dubbo</groupId>
-        <artifactId>dubbo-config</artifactId>
-        <version>2.7.1</version>
-    </parent>
-    <artifactId>dubbo-config-spring</artifactId>
-    <packaging>jar</packaging>
-    <name>${project.artifactId}</name>
-    <description>The spring config module of dubbo project</description>
-    <properties>
-        <skip_maven_deploy>false</skip_maven_deploy>
-    </properties>
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-config-api</artifactId>
-            <version>${project.parent.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-beans</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>javax.servlet-api</artifactId>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-registry-default</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-monitor-default</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-rpc-dubbo</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-rpc-rmi</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-rpc-injvm</artifactId>
-            <version>${project.parent.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-remoting-netty4</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-serialization-hessian2</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>javax.validation</groupId>
-            <artifactId>validation-api</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.hibernate</groupId>
-            <artifactId>hibernate-validator</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.glassfish</groupId>
-            <artifactId>javax.el</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-tx</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.12</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.tomcat.embed</groupId>
-            <artifactId>tomcat-embed-core</artifactId>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-</project>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<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/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.dubbo</groupId>
+        <artifactId>dubbo-config</artifactId>
+        <version>2.7.1-SNAPSHOT</version>
+    </parent>
+    <artifactId>dubbo-config-spring</artifactId>
+    <packaging>jar</packaging>
+    <name>${project.artifactId}</name>
+    <description>The spring config module of dubbo project</description>
+    <properties>
+        <skip_maven_deploy>false</skip_maven_deploy>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-config-api</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-registry-default</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-monitor-default</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-rpc-dubbo</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-rpc-rmi</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-rpc-injvm</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-remoting-netty4</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-serialization-hessian2</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.validation</groupId>
+            <artifactId>validation-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-validator</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish</groupId>
+            <artifactId>javax.el</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-tx</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <artifactId>tomcat-embed-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/dubbo-config/pom.xml b/dubbo-config/pom.xml
index 0e7a18a9ba..d1f16c146d 100644
--- a/dubbo-config/pom.xml
+++ b/dubbo-config/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-config</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-configcenter/dubbo-configcenter-api/pom.xml b/dubbo-configcenter/dubbo-configcenter-api/pom.xml
index 971add0003..7f2715e5b6 100644
--- a/dubbo-configcenter/dubbo-configcenter-api/pom.xml
+++ b/dubbo-configcenter/dubbo-configcenter-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-configcenter</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-configcenter-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-configcenter/dubbo-configcenter-apollo/pom.xml b/dubbo-configcenter/dubbo-configcenter-apollo/pom.xml
index ac17f4e4de..040b0eb33a 100644
--- a/dubbo-configcenter/dubbo-configcenter-apollo/pom.xml
+++ b/dubbo-configcenter/dubbo-configcenter-apollo/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-configcenter</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-configcenter-apollo</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-configcenter/dubbo-configcenter-consul/pom.xml b/dubbo-configcenter/dubbo-configcenter-consul/pom.xml
index 0c391cc6ab..2a7580e837 100644
--- a/dubbo-configcenter/dubbo-configcenter-consul/pom.xml
+++ b/dubbo-configcenter/dubbo-configcenter-consul/pom.xml
@@ -16,11 +16,13 @@
   ~ limitations under the License.
   -->
 
-<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">
     <parent>
         <artifactId>dubbo-configcenter</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-configcenter/dubbo-configcenter-etcd/pom.xml b/dubbo-configcenter/dubbo-configcenter-etcd/pom.xml
index 94902e586d..60efc8e4bb 100644
--- a/dubbo-configcenter/dubbo-configcenter-etcd/pom.xml
+++ b/dubbo-configcenter/dubbo-configcenter-etcd/pom.xml
@@ -16,11 +16,13 @@
   ~ limitations under the License.
   -->
 
-<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">
     <parent>
         <artifactId>dubbo-configcenter</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-configcenter/dubbo-configcenter-zookeeper/pom.xml b/dubbo-configcenter/dubbo-configcenter-zookeeper/pom.xml
index a961d75f2f..5c84f6515a 100644
--- a/dubbo-configcenter/dubbo-configcenter-zookeeper/pom.xml
+++ b/dubbo-configcenter/dubbo-configcenter-zookeeper/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-configcenter</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-configcenter-zookeeper</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-configcenter/pom.xml b/dubbo-configcenter/pom.xml
index 411ceada32..92f727d232 100644
--- a/dubbo-configcenter/pom.xml
+++ b/dubbo-configcenter/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-configcenter</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-container/dubbo-container-api/pom.xml b/dubbo-container/dubbo-container-api/pom.xml
index b158b1a40f..2c1e9100af 100644
--- a/dubbo-container/dubbo-container-api/pom.xml
+++ b/dubbo-container/dubbo-container-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-container-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-log4j/pom.xml b/dubbo-container/dubbo-container-log4j/pom.xml
index 0dd8f3f8ea..be5a1733a3 100644
--- a/dubbo-container/dubbo-container-log4j/pom.xml
+++ b/dubbo-container/dubbo-container-log4j/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-container-log4j</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-logback/pom.xml b/dubbo-container/dubbo-container-logback/pom.xml
index d3ef409556..9a1aa47eda 100644
--- a/dubbo-container/dubbo-container-logback/pom.xml
+++ b/dubbo-container/dubbo-container-logback/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-container-logback</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-spring/pom.xml b/dubbo-container/dubbo-container-spring/pom.xml
index f4be785ff3..83298634f2 100644
--- a/dubbo-container/dubbo-container-spring/pom.xml
+++ b/dubbo-container/dubbo-container-spring/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-container-spring</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-container/pom.xml b/dubbo-container/pom.xml
index 850c173f97..932899488e 100644
--- a/dubbo-container/pom.xml
+++ b/dubbo-container/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-container</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-consumer/pom.xml b/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-consumer/pom.xml
index 828569e822..58e260ed59 100644
--- a/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-consumer/pom.xml
+++ b/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-consumer/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dubbo-demo-annotation</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-provider/pom.xml b/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-provider/pom.xml
index 74ba530fb5..bf6bc8fd9d 100644
--- a/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-provider/pom.xml
+++ b/dubbo-demo/dubbo-demo-annotation/dubbo-demo-annotation-provider/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dubbo-demo-annotation</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-demo/dubbo-demo-annotation/pom.xml b/dubbo-demo/dubbo-demo-annotation/pom.xml
index a640f85748..f94870dc56 100644
--- a/dubbo-demo/dubbo-demo-annotation/pom.xml
+++ b/dubbo-demo/dubbo-demo-annotation/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dubbo-demo</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/dubbo-demo/dubbo-demo-api/dubbo-demo-api-consumer/pom.xml b/dubbo-demo/dubbo-demo-api/dubbo-demo-api-consumer/pom.xml
index 9e87a35bf6..947537667b 100644
--- a/dubbo-demo/dubbo-demo-api/dubbo-demo-api-consumer/pom.xml
+++ b/dubbo-demo/dubbo-demo-api/dubbo-demo-api-consumer/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dubbo-demo-api</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-demo/dubbo-demo-api/dubbo-demo-api-provider/pom.xml b/dubbo-demo/dubbo-demo-api/dubbo-demo-api-provider/pom.xml
index 4852f492d9..d2dd9af1c8 100644
--- a/dubbo-demo/dubbo-demo-api/dubbo-demo-api-provider/pom.xml
+++ b/dubbo-demo/dubbo-demo-api/dubbo-demo-api-provider/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dubbo-demo-api</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-demo/dubbo-demo-api/pom.xml b/dubbo-demo/dubbo-demo-api/pom.xml
index 35ae2f307c..b9088fc4d3 100644
--- a/dubbo-demo/dubbo-demo-api/pom.xml
+++ b/dubbo-demo/dubbo-demo-api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dubbo-demo</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/dubbo-demo/dubbo-demo-interface/pom.xml b/dubbo-demo/dubbo-demo-interface/pom.xml
index cb1f9a0656..f6376c9157 100644
--- a/dubbo-demo/dubbo-demo-interface/pom.xml
+++ b/dubbo-demo/dubbo-demo-interface/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-demo</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-demo-interface</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-consumer/pom.xml b/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-consumer/pom.xml
index 940cecac15..8487459153 100644
--- a/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-consumer/pom.xml
+++ b/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-consumer/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-demo-xml</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-demo-xml-consumer</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-provider/pom.xml b/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-provider/pom.xml
index 167d8491a0..fbd0f04149 100644
--- a/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-provider/pom.xml
+++ b/dubbo-demo/dubbo-demo-xml/dubbo-demo-xml-provider/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-demo-xml</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-demo-xml-provider</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-xml/pom.xml b/dubbo-demo/dubbo-demo-xml/pom.xml
index 29ec0b22dc..fbbcae942b 100644
--- a/dubbo-demo/dubbo-demo-xml/pom.xml
+++ b/dubbo-demo/dubbo-demo-xml/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>dubbo-demo</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/dubbo-demo/pom.xml b/dubbo-demo/pom.xml
index fa3859701b..77d59aebcd 100644
--- a/dubbo-demo/pom.xml
+++ b/dubbo-demo/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-demo</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-dependencies-bom/pom.xml b/dubbo-dependencies-bom/pom.xml
index a48fc2e552..245b6ff61f 100644
--- a/dubbo-dependencies-bom/pom.xml
+++ b/dubbo-dependencies-bom/pom.xml
@@ -16,19 +16,20 @@
   ~ limitations under the License.
   -->
 
-<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>org.apache</groupId>
         <artifactId>apache</artifactId>
         <version>21</version>
-        <relativePath />
+        <relativePath></relativePath>
     </parent>
 
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-dependencies-bom</artifactId>
-    <version>2.7.1</version>
+    <version>2.7.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>dubbo-dependencies-bom</name>
@@ -47,7 +48,7 @@
         <url>https://github.com/apache/incubator-dubbo</url>
         <connection>scm:git:https://github.com/apache/incubator-dubbo.git</connection>
         <developerConnection>scm:git:https://github.com/apache/incubator-dubbo.git</developerConnection>
-        <tag>dubbo-2.7.1</tag>
+        <tag>HEAD</tag>
     </scm>
     <mailingLists>
         <mailingList>
diff --git a/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml b/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml
index 13a2022e5e..18a3f2abcc 100644
--- a/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml
+++ b/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml
@@ -16,19 +16,21 @@
   ~ limitations under the License.
   -->
 
-<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>org.apache</groupId>
         <artifactId>apache</artifactId>
         <version>21</version>
-        <relativePath />
+        <relativePath></relativePath>
     </parent>
 
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-dependencies-zookeeper</artifactId>
-    <version>2.7.1</version>
+    <version>2.7.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <dependencyManagement>
@@ -36,7 +38,7 @@
             <dependency>
                 <groupId>org.apache.dubbo</groupId>
                 <artifactId>dubbo-dependencies-bom</artifactId>
-                <version>2.7.1</version>
+                <version>2.7.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -76,8 +78,4 @@
         </profile>
     </profiles>
 
-
-  <scm>
-    <tag>dubbo-2.7.1</tag>
-  </scm>
 </project>
diff --git a/dubbo-dependencies/pom.xml b/dubbo-dependencies/pom.xml
index 94a0966f14..6d144449d5 100644
--- a/dubbo-dependencies/pom.xml
+++ b/dubbo-dependencies/pom.xml
@@ -16,11 +16,13 @@
   ~ limitations under the License.
   -->
 
-<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">
     <parent>
         <artifactId>dubbo-parent</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-distribution/pom.xml b/dubbo-distribution/pom.xml
index c2c085ecea..141695c816 100644
--- a/dubbo-distribution/pom.xml
+++ b/dubbo-distribution/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-filter/dubbo-filter-cache/pom.xml b/dubbo-filter/dubbo-filter-cache/pom.xml
index 3fe35abb05..bec6067478 100644
--- a/dubbo-filter/dubbo-filter-cache/pom.xml
+++ b/dubbo-filter/dubbo-filter-cache/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-filter</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-filter-cache</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-filter/dubbo-filter-validation/pom.xml b/dubbo-filter/dubbo-filter-validation/pom.xml
index 7c5649385b..9ce481061d 100644
--- a/dubbo-filter/dubbo-filter-validation/pom.xml
+++ b/dubbo-filter/dubbo-filter-validation/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-filter</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-filter-validation</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-filter/pom.xml b/dubbo-filter/pom.xml
index 29d7604104..f985141229 100644
--- a/dubbo-filter/pom.xml
+++ b/dubbo-filter/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-filter</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-metadata-report/dubbo-metadata-definition/pom.xml b/dubbo-metadata-report/dubbo-metadata-definition/pom.xml
index 0f1193459e..09dc860fb6 100644
--- a/dubbo-metadata-report/dubbo-metadata-definition/pom.xml
+++ b/dubbo-metadata-report/dubbo-metadata-definition/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <artifactId>dubbo-metadata-report</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-metadata-report/dubbo-metadata-report-api/pom.xml b/dubbo-metadata-report/dubbo-metadata-report-api/pom.xml
index 5ce9d6d576..6244d0407f 100644
--- a/dubbo-metadata-report/dubbo-metadata-report-api/pom.xml
+++ b/dubbo-metadata-report/dubbo-metadata-report-api/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <artifactId>dubbo-metadata-report</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-metadata-report/dubbo-metadata-report-consul/pom.xml b/dubbo-metadata-report/dubbo-metadata-report-consul/pom.xml
index a70f8b6073..ad02eaedda 100644
--- a/dubbo-metadata-report/dubbo-metadata-report-consul/pom.xml
+++ b/dubbo-metadata-report/dubbo-metadata-report-consul/pom.xml
@@ -16,11 +16,13 @@
   ~ limitations under the License.
   -->
 
-<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">
     <parent>
         <artifactId>dubbo-metadata-report</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-metadata-report/dubbo-metadata-report-redis/pom.xml b/dubbo-metadata-report/dubbo-metadata-report-redis/pom.xml
index 87369cb4aa..6f5d418e28 100644
--- a/dubbo-metadata-report/dubbo-metadata-report-redis/pom.xml
+++ b/dubbo-metadata-report/dubbo-metadata-report-redis/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <artifactId>dubbo-metadata-report</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-metadata-report/dubbo-metadata-report-zookeeper/pom.xml b/dubbo-metadata-report/dubbo-metadata-report-zookeeper/pom.xml
index ce97975fa4..4f7feb1b22 100644
--- a/dubbo-metadata-report/dubbo-metadata-report-zookeeper/pom.xml
+++ b/dubbo-metadata-report/dubbo-metadata-report-zookeeper/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <artifactId>dubbo-metadata-report</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-metadata-report/pom.xml b/dubbo-metadata-report/pom.xml
index 42811f173b..aa14d56122 100644
--- a/dubbo-metadata-report/pom.xml
+++ b/dubbo-metadata-report/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <artifactId>dubbo-parent</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-monitor/dubbo-monitor-api/pom.xml b/dubbo-monitor/dubbo-monitor-api/pom.xml
index 2fe72eba52..5d649dc1fa 100644
--- a/dubbo-monitor/dubbo-monitor-api/pom.xml
+++ b/dubbo-monitor/dubbo-monitor-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-monitor</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-monitor-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-monitor/dubbo-monitor-default/pom.xml b/dubbo-monitor/dubbo-monitor-default/pom.xml
index 504dadf238..a7ae0ecd00 100644
--- a/dubbo-monitor/dubbo-monitor-default/pom.xml
+++ b/dubbo-monitor/dubbo-monitor-default/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-monitor</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-monitor-default</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-monitor/pom.xml b/dubbo-monitor/pom.xml
index 0436b2b2a5..6e0171d303 100644
--- a/dubbo-monitor/pom.xml
+++ b/dubbo-monitor/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-monitor</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-plugin/dubbo-qos/pom.xml b/dubbo-plugin/dubbo-qos/pom.xml
index 602f283674..717c20ceac 100644
--- a/dubbo-plugin/dubbo-qos/pom.xml
+++ b/dubbo-plugin/dubbo-qos/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-plugin</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-plugin/pom.xml b/dubbo-plugin/pom.xml
index e401c21dbf..e542776024 100644
--- a/dubbo-plugin/pom.xml
+++ b/dubbo-plugin/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <artifactId>dubbo-parent</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-registry/dubbo-registry-api/pom.xml b/dubbo-registry/dubbo-registry-api/pom.xml
index 11eb655e93..d96df68084 100644
--- a/dubbo-registry/dubbo-registry-api/pom.xml
+++ b/dubbo-registry/dubbo-registry-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-registry-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-consul/pom.xml b/dubbo-registry/dubbo-registry-consul/pom.xml
index 4a90a69201..38647f259a 100644
--- a/dubbo-registry/dubbo-registry-consul/pom.xml
+++ b/dubbo-registry/dubbo-registry-consul/pom.xml
@@ -16,11 +16,13 @@
   ~ limitations under the License.
   -->
 
-<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">
     <parent>
         <artifactId>dubbo-registry</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-registry/dubbo-registry-default/pom.xml b/dubbo-registry/dubbo-registry-default/pom.xml
index 1382e77134..73bda5ceab 100644
--- a/dubbo-registry/dubbo-registry-default/pom.xml
+++ b/dubbo-registry/dubbo-registry-default/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-registry-default</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-etcd3/pom.xml b/dubbo-registry/dubbo-registry-etcd3/pom.xml
index defd238708..00b0ae5390 100644
--- a/dubbo-registry/dubbo-registry-etcd3/pom.xml
+++ b/dubbo-registry/dubbo-registry-etcd3/pom.xml
@@ -16,12 +16,14 @@
   ~ limitations under the License.
   -->
 
-<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>
         <artifactId>dubbo-registry</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>dubbo-registry-etcd3</artifactId>
diff --git a/dubbo-registry/dubbo-registry-multicast/pom.xml b/dubbo-registry/dubbo-registry-multicast/pom.xml
index dc75c69287..61a8669e8f 100644
--- a/dubbo-registry/dubbo-registry-multicast/pom.xml
+++ b/dubbo-registry/dubbo-registry-multicast/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-registry-multicast</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-nacos/pom.xml b/dubbo-registry/dubbo-registry-nacos/pom.xml
index 54ecf581cb..f64fa021df 100644
--- a/dubbo-registry/dubbo-registry-nacos/pom.xml
+++ b/dubbo-registry/dubbo-registry-nacos/pom.xml
@@ -14,11 +14,13 @@
   See the License for the specific language governing permissions and
   limitations under the License.
   -->
-<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">
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/dubbo-registry/dubbo-registry-redis/pom.xml b/dubbo-registry/dubbo-registry-redis/pom.xml
index 5189986338..7644e1ca85 100644
--- a/dubbo-registry/dubbo-registry-redis/pom.xml
+++ b/dubbo-registry/dubbo-registry-redis/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-registry-redis</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-zookeeper/pom.xml b/dubbo-registry/dubbo-registry-zookeeper/pom.xml
index efc4c2b5f5..2c565d8b1a 100644
--- a/dubbo-registry/dubbo-registry-zookeeper/pom.xml
+++ b/dubbo-registry/dubbo-registry-zookeeper/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-registry-zookeeper</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-registry/pom.xml b/dubbo-registry/pom.xml
index 3c7af13212..ea09685010 100644
--- a/dubbo-registry/pom.xml
+++ b/dubbo-registry/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-registry</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-api/pom.xml b/dubbo-remoting/dubbo-remoting-api/pom.xml
index dce2102693..ec278e96e0 100644
--- a/dubbo-remoting/dubbo-remoting-api/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-etcd3/pom.xml b/dubbo-remoting/dubbo-remoting-etcd3/pom.xml
index 81a2ceb08d..768052f6b1 100644
--- a/dubbo-remoting/dubbo-remoting-etcd3/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-etcd3/pom.xml
@@ -16,12 +16,14 @@
   ~ limitations under the License.
   -->
 
-<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>
         <artifactId>dubbo-remoting</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-etcd3</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-grizzly/pom.xml b/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
index c3cce1e2b0..f740422a7a 100644
--- a/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-grizzly</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-http/pom.xml b/dubbo-remoting/dubbo-remoting-http/pom.xml
index e46555db00..85ea81dff1 100644
--- a/dubbo-remoting/dubbo-remoting-http/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-http/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-http</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-mina/pom.xml b/dubbo-remoting/dubbo-remoting-mina/pom.xml
index cef3a98286..a10aacc52d 100644
--- a/dubbo-remoting/dubbo-remoting-mina/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-mina/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-mina</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-netty/pom.xml b/dubbo-remoting/dubbo-remoting-netty/pom.xml
index 3301f91ba5..cfa826279e 100644
--- a/dubbo-remoting/dubbo-remoting-netty/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-netty/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-netty</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-netty4/pom.xml b/dubbo-remoting/dubbo-remoting-netty4/pom.xml
index f0c9f74417..e17cfe185f 100644
--- a/dubbo-remoting/dubbo-remoting-netty4/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-netty4/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <artifactId>dubbo-remoting</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-remoting/dubbo-remoting-p2p/pom.xml b/dubbo-remoting/dubbo-remoting-p2p/pom.xml
index fc0a676a5d..238398e4a1 100644
--- a/dubbo-remoting/dubbo-remoting-p2p/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-p2p/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-p2p</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-zookeeper/pom.xml b/dubbo-remoting/dubbo-remoting-zookeeper/pom.xml
index 5a872367bd..355ec0452a 100644
--- a/dubbo-remoting/dubbo-remoting-zookeeper/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-zookeeper/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting-zookeeper</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-remoting/pom.xml b/dubbo-remoting/pom.xml
index 5669d38d87..fd17dbf0cd 100644
--- a/dubbo-remoting/pom.xml
+++ b/dubbo-remoting/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-remoting</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-api/pom.xml b/dubbo-rpc/dubbo-rpc-api/pom.xml
index da801ee95b..06d17aec9e 100644
--- a/dubbo-rpc/dubbo-rpc-api/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-api/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-dubbo/pom.xml b/dubbo-rpc/dubbo-rpc-dubbo/pom.xml
index c84846e6af..290f627b36 100644
--- a/dubbo-rpc/dubbo-rpc-dubbo/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-dubbo/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-dubbo</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-hessian/pom.xml b/dubbo-rpc/dubbo-rpc-hessian/pom.xml
index ee8a110692..0eed79d254 100644
--- a/dubbo-rpc/dubbo-rpc-hessian/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-hessian/pom.xml
@@ -1,62 +1,62 @@
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one or more
-  contributor license agreements.  See the NOTICE file distributed with
-  this work for additional information regarding copyright ownership.
-  The ASF licenses this file to You under the Apache License, Version 2.0
-  (the "License"); you may not use this file except in compliance with
-  the License.  You may obtain a copy of the License at
-
-      http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-  -->
-<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/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>org.apache.dubbo</groupId>
-        <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
-    </parent>
-    <artifactId>dubbo-rpc-hessian</artifactId>
-    <packaging>jar</packaging>
-    <name>${project.artifactId}</name>
-    <description>The hessian rpc module of dubbo project</description>
-    <properties>
-        <skip_maven_deploy>false</skip_maven_deploy>
-    </properties>
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-rpc-api</artifactId>
-            <version>${project.parent.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-remoting-http</artifactId>
-            <version>${project.parent.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.caucho</groupId>
-            <artifactId>hessian</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpclient</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.dubbo</groupId>
-            <artifactId>dubbo-serialization-jdk</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<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/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.dubbo</groupId>
+        <artifactId>dubbo-rpc</artifactId>
+        <version>2.7.1-SNAPSHOT</version>
+    </parent>
+    <artifactId>dubbo-rpc-hessian</artifactId>
+    <packaging>jar</packaging>
+    <name>${project.artifactId}</name>
+    <description>The hessian rpc module of dubbo project</description>
+    <properties>
+        <skip_maven_deploy>false</skip_maven_deploy>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-rpc-api</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-remoting-http</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.caucho</groupId>
+            <artifactId>hessian</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-serialization-jdk</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 </project>
\ No newline at end of file
diff --git a/dubbo-rpc/dubbo-rpc-http/pom.xml b/dubbo-rpc/dubbo-rpc-http/pom.xml
index cc68d7a46a..5ab4d25d15 100644
--- a/dubbo-rpc/dubbo-rpc-http/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-http/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-http</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-injvm/pom.xml b/dubbo-rpc/dubbo-rpc-injvm/pom.xml
index 38e7da791b..9a3de8e080 100644
--- a/dubbo-rpc/dubbo-rpc-injvm/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-injvm/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-injvm</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-memcached/pom.xml b/dubbo-rpc/dubbo-rpc-memcached/pom.xml
index 4066c70ff5..6544e9c9a1 100644
--- a/dubbo-rpc/dubbo-rpc-memcached/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-memcached/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-memcached</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-redis/pom.xml b/dubbo-rpc/dubbo-rpc-redis/pom.xml
index a7f5a2626c..056b901397 100644
--- a/dubbo-rpc/dubbo-rpc-redis/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-redis/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-redis</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-rest/pom.xml b/dubbo-rpc/dubbo-rpc-rest/pom.xml
index 05302b1826..126b26d3a0 100644
--- a/dubbo-rpc/dubbo-rpc-rest/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-rest/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>org.apache.dubbo</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-rest</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-rmi/pom.xml b/dubbo-rpc/dubbo-rpc-rmi/pom.xml
index 820bfacb7c..bb5efb4ed3 100644
--- a/dubbo-rpc/dubbo-rpc-rmi/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-rmi/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-rmi</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-thrift/pom.xml b/dubbo-rpc/dubbo-rpc-thrift/pom.xml
index cdea28c9de..5e106b2ba3 100644
--- a/dubbo-rpc/dubbo-rpc-thrift/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-thrift/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-thrift</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-webservice/pom.xml b/dubbo-rpc/dubbo-rpc-webservice/pom.xml
index e9a2f1ab26..a859b58546 100644
--- a/dubbo-rpc/dubbo-rpc-webservice/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-webservice/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc-webservice</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-rpc/pom.xml b/dubbo-rpc/pom.xml
index 5a907c3865..03e5b9abf4 100644
--- a/dubbo-rpc/pom.xml
+++ b/dubbo-rpc/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-rpc</artifactId>
     <packaging>pom</packaging>
diff --git a/dubbo-serialization/dubbo-serialization-api/pom.xml b/dubbo-serialization/dubbo-serialization-api/pom.xml
index 5fc7574f45..cd1ff42939 100644
--- a/dubbo-serialization/dubbo-serialization-api/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-api/pom.xml
@@ -20,7 +20,7 @@ limitations under the License.
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-serialization</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-serialization-api</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-serialization/dubbo-serialization-fastjson/pom.xml b/dubbo-serialization/dubbo-serialization-fastjson/pom.xml
index 5d8b66917c..92dbbec882 100644
--- a/dubbo-serialization/dubbo-serialization-fastjson/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-fastjson/pom.xml
@@ -20,7 +20,7 @@ limitations under the License.
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-serialization</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-serialization-fastjson</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-serialization/dubbo-serialization-fst/pom.xml b/dubbo-serialization/dubbo-serialization-fst/pom.xml
index da521f00c5..4332453a90 100644
--- a/dubbo-serialization/dubbo-serialization-fst/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-fst/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-serialization</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-serialization-fst</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-serialization/dubbo-serialization-hessian2/pom.xml b/dubbo-serialization/dubbo-serialization-hessian2/pom.xml
index 26535e897a..b5ba85a295 100644
--- a/dubbo-serialization/dubbo-serialization-hessian2/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-hessian2/pom.xml
@@ -20,7 +20,7 @@ limitations under the License.
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-serialization</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-serialization-hessian2</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-serialization/dubbo-serialization-jdk/pom.xml b/dubbo-serialization/dubbo-serialization-jdk/pom.xml
index f533d3230b..1f78b9a9c1 100644
--- a/dubbo-serialization/dubbo-serialization-jdk/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-jdk/pom.xml
@@ -20,7 +20,7 @@ limitations under the License.
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-serialization</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-serialization-jdk</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-serialization/dubbo-serialization-kryo/pom.xml b/dubbo-serialization/dubbo-serialization-kryo/pom.xml
index 95d73061b4..4ebf59bea3 100644
--- a/dubbo-serialization/dubbo-serialization-kryo/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-kryo/pom.xml
@@ -20,7 +20,7 @@ limitations under the License.
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-serialization</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-serialization-kryo</artifactId>
     <packaging>jar</packaging>
diff --git a/dubbo-serialization/dubbo-serialization-protostuff/pom.xml b/dubbo-serialization/dubbo-serialization-protostuff/pom.xml
index c31664efa7..ab3a2a5f39 100644
--- a/dubbo-serialization/dubbo-serialization-protostuff/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-protostuff/pom.xml
@@ -20,7 +20,7 @@ limitations under the License.
     <parent>
         <artifactId>dubbo-serialization</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>dubbo-serialization-protostuff</artifactId>
diff --git a/dubbo-serialization/dubbo-serialization-test/pom.xml b/dubbo-serialization/dubbo-serialization-test/pom.xml
index 5c112cad48..392dc335d7 100644
--- a/dubbo-serialization/dubbo-serialization-test/pom.xml
+++ b/dubbo-serialization/dubbo-serialization-test/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <artifactId>dubbo-serialization</artifactId>
         <groupId>org.apache.dubbo</groupId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dubbo-serialization/pom.xml b/dubbo-serialization/pom.xml
index 76815924c9..9cfb7d72da 100644
--- a/dubbo-serialization/pom.xml
+++ b/dubbo-serialization/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.7.1</version>
+        <version>2.7.1-SNAPSHOT</version>
     </parent>
     <artifactId>dubbo-serialization</artifactId>
     <packaging>pom</packaging>
diff --git a/pom.xml b/pom.xml
index 5b92eccb54..6220d015df 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,8 @@
   See the License for the specific language governing permissions and
   limitations under the License.
   -->
-<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/maven-v4_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/maven-v4_0_0.xsd">
 
     <modelVersion>4.0.0</modelVersion>
 
@@ -26,7 +27,7 @@
 
     <groupId>org.apache.dubbo</groupId>
     <artifactId>dubbo-parent</artifactId>
-    <version>2.7.1</version>
+    <version>2.7.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>${project.artifactId}</name>
@@ -45,7 +46,7 @@
         <url>https://github.com/apache/incubator-dubbo</url>
         <connection>scm:git:https://github.com/apache/incubator-dubbo.git</connection>
         <developerConnection>scm:git:https://github.com/apache/incubator-dubbo.git</developerConnection>
-        <tag>dubbo-2.7.1</tag>
+        <tag>HEAD</tag>
     </scm>
     <mailingLists>
         <mailingList>
@@ -120,7 +121,7 @@
         <maven_checkstyle_version>3.0.0</maven_checkstyle_version>
         <maven_jacoco_version>0.8.2</maven_jacoco_version>
         <apache-rat-plugin.version>0.12</apache-rat-plugin.version>
-        <arguments />
+        <arguments/>
         <checkstyle.skip>true</checkstyle.skip>
         <rat.skip>true</rat.skip>
     </properties>
@@ -153,7 +154,7 @@
             <dependency>
                 <groupId>org.apache.dubbo</groupId>
                 <artifactId>dubbo-dependencies-bom</artifactId>
-                <version>2.7.1</version>
+                <version>2.7.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>