diff --git a/README b/README
index e1d497bc12a..34797ad2e4d 100644
--- a/README
+++ b/README
@@ -47,15 +47,15 @@ For more, please refer to:
 4. Install the demo provider:
 
     cd ~/dubbo/dubbo-demo-provider/target
-    tar zxvf dubbo-demo-provider-2.3.0-assembly.tar.gz
-    cd dubbo-demo-provider-2.3.0/bin
+    tar zxvf dubbo-demo-provider-2.4.0-assembly.tar.gz
+    cd dubbo-demo-provider-2.4.0/bin
     ./start.sh
 
 5. Install the demo consumer:
 
     cd ~/dubbo/dubbo-demo-consumer/target
-    tar zxvf dubbo-demo-consumer-2.3.0-assembly.tar.gz
-    cd dubbo-demo-consumer-2.3.0/bin
+    tar zxvf dubbo-demo-consumer-2.4.0-assembly.tar.gz
+    cd dubbo-demo-consumer-2.4.0/bin
     ./start.sh
     cd ../logs
     tail -f stdout.log
@@ -63,16 +63,16 @@ For more, please refer to:
 6. Install the simple monitor:
 
     cd ~/dubbo/dubbo-simple-monitor/target
-    tar zxvf dubbo-simple-monitor-2.3.0-assembly.tar.gz
-    cd dubbo-simple-monitor-2.3.0/bin
+    tar zxvf dubbo-simple-monitor-2.4.0-assembly.tar.gz
+    cd dubbo-simple-monitor-2.4.0/bin
     ./start.sh
     http://127.0.0.1:8080
 
 7. Install the simple registry:
 
     cd ~/dubbo/dubbo-simple-registry/target
-    tar zxvf dubbo-simple-registry-2.3.0-assembly.tar.gz
-    cd dubbo-simple-registry-2.3.0/bin
+    tar zxvf dubbo-simple-registry-2.4.0-assembly.tar.gz
+    cd dubbo-simple-registry-2.4.0/bin
     ./start.sh
 
     cd ~/dubbo/dubbo-demo-provider/conf
diff --git a/dubbo-cluster/pom.xml b/dubbo-cluster/pom.xml
index 72a39faf8cd..1bfe67d447b 100644
--- a/dubbo-cluster/pom.xml
+++ b/dubbo-cluster/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cluster</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-common/pom.xml b/dubbo-common/pom.xml
index 37803a2940e..c38a7a0b2d5 100644
--- a/dubbo-common/pom.xml
+++ b/dubbo-common/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-common</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/dubbo-config-api/pom.xml b/dubbo-config/dubbo-config-api/pom.xml
index 8183553229d..84953587be4 100644
--- a/dubbo-config/dubbo-config-api/pom.xml
+++ b/dubbo-config/dubbo-config-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-config</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 b8351d19ce9..a6dd03a317e 100644
--- a/dubbo-config/dubbo-config-spring/pom.xml
+++ b/dubbo-config/dubbo-config-spring/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-config</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-spring</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/pom.xml b/dubbo-config/pom.xml
index 366b2a23aba..4044e0a34dc 100644
--- a/dubbo-config/pom.xml
+++ b/dubbo-config/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The config module of dubbo project</description>
diff --git a/dubbo-container/dubbo-container-api/pom.xml b/dubbo-container/dubbo-container-api/pom.xml
index d478bbc4d60..109c77f746a 100644
--- a/dubbo-container/dubbo-container-api/pom.xml
+++ b/dubbo-container/dubbo-container-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-container</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-jetty/pom.xml b/dubbo-container/dubbo-container-jetty/pom.xml
index f0998fddd50..fba0cff7931 100644
--- a/dubbo-container/dubbo-container-jetty/pom.xml
+++ b/dubbo-container/dubbo-container-jetty/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-container</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-jetty</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-log4j/pom.xml b/dubbo-container/dubbo-container-log4j/pom.xml
index 3286a87695e..32c9af6aacb 100644
--- a/dubbo-container/dubbo-container-log4j/pom.xml
+++ b/dubbo-container/dubbo-container-log4j/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-container</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-log4j</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/dubbo-container-spring/pom.xml b/dubbo-container/dubbo-container-spring/pom.xml
index 922ce007ba0..756619a4317 100644
--- a/dubbo-container/dubbo-container-spring/pom.xml
+++ b/dubbo-container/dubbo-container-spring/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-container</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-spring</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/pom.xml b/dubbo-container/pom.xml
index 2d882894d87..0f1525fe993 100644
--- a/dubbo-container/pom.xml
+++ b/dubbo-container/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The container module of dubbo project</description>
diff --git a/dubbo-demo/dubbo-demo-api/pom.xml b/dubbo-demo/dubbo-demo-api/pom.xml
index 88890b74f2d..c5721fe0a30 100644
--- a/dubbo-demo/dubbo-demo-api/pom.xml
+++ b/dubbo-demo/dubbo-demo-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-demo</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-consumer/pom.xml b/dubbo-demo/dubbo-demo-consumer/pom.xml
index 6d137331a79..eb3506d34ec 100644
--- a/dubbo-demo/dubbo-demo-consumer/pom.xml
+++ b/dubbo-demo/dubbo-demo-consumer/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-demo</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-consumer</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-examples/pom.xml b/dubbo-demo/dubbo-demo-examples/pom.xml
index f1d09c3ceee..2bba7ec0e5d 100644
--- a/dubbo-demo/dubbo-demo-examples/pom.xml
+++ b/dubbo-demo/dubbo-demo-examples/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-demo</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-examples</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-provider/pom.xml b/dubbo-demo/dubbo-demo-provider/pom.xml
index 514172f4fb8..aef293398d5 100644
--- a/dubbo-demo/dubbo-demo-provider/pom.xml
+++ b/dubbo-demo/dubbo-demo-provider/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-demo</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-provider</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/pom.xml b/dubbo-demo/pom.xml
index 07e0d5493c6..c8ea0b41993 100644
--- a/dubbo-demo/pom.xml
+++ b/dubbo-demo/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The demo module of dubbo project</description>
diff --git a/dubbo-filter/dubbo-filter-cache/pom.xml b/dubbo-filter/dubbo-filter-cache/pom.xml
index dfbae616797..e8311474a63 100644
--- a/dubbo-filter/dubbo-filter-cache/pom.xml
+++ b/dubbo-filter/dubbo-filter-cache/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-filter</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter-cache</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-filter/dubbo-filter-validation/pom.xml b/dubbo-filter/dubbo-filter-validation/pom.xml
index dcde44bc5a4..bdd428d3a56 100644
--- a/dubbo-filter/dubbo-filter-validation/pom.xml
+++ b/dubbo-filter/dubbo-filter-validation/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-filter</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter-validation</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-filter/pom.xml b/dubbo-filter/pom.xml
index 5102a7955e3..6f131f93516 100644
--- a/dubbo-filter/pom.xml
+++ b/dubbo-filter/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The filter module of dubbo project</description>
diff --git a/dubbo-monitor/dubbo-monitor-api/pom.xml b/dubbo-monitor/dubbo-monitor-api/pom.xml
index d3ccc0e8160..b6bcb55d12e 100644
--- a/dubbo-monitor/dubbo-monitor-api/pom.xml
+++ b/dubbo-monitor/dubbo-monitor-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-monitor</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 4a73c21787b..5fe1ca51dd3 100644
--- a/dubbo-monitor/dubbo-monitor-default/pom.xml
+++ b/dubbo-monitor/dubbo-monitor-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-monitor</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor/pom.xml b/dubbo-monitor/pom.xml
index 9ae3618894b..0fe0641a240 100644
--- a/dubbo-monitor/pom.xml
+++ b/dubbo-monitor/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The monitor module of dubbo project</description>
diff --git a/dubbo-registry/dubbo-registry-api/pom.xml b/dubbo-registry/dubbo-registry-api/pom.xml
index dadd32af0a3..ca9fa219d8a 100644
--- a/dubbo-registry/dubbo-registry-api/pom.xml
+++ b/dubbo-registry/dubbo-registry-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-registry</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-default/pom.xml b/dubbo-registry/dubbo-registry-default/pom.xml
index 95cf1fd9eb6..163dcf55cda 100644
--- a/dubbo-registry/dubbo-registry-default/pom.xml
+++ b/dubbo-registry/dubbo-registry-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-registry</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-multicast/pom.xml b/dubbo-registry/dubbo-registry-multicast/pom.xml
index 155665c866a..2135e40baec 100644
--- a/dubbo-registry/dubbo-registry-multicast/pom.xml
+++ b/dubbo-registry/dubbo-registry-multicast/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-registry</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-multicast</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/dubbo-registry-redis/pom.xml b/dubbo-registry/dubbo-registry-redis/pom.xml
index 263a2ce375a..c0cf4bf487d 100644
--- a/dubbo-registry/dubbo-registry-redis/pom.xml
+++ b/dubbo-registry/dubbo-registry-redis/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-registry</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 096b212338e..c02d0ba07da 100644
--- a/dubbo-registry/dubbo-registry-zookeeper/pom.xml
+++ b/dubbo-registry/dubbo-registry-zookeeper/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-registry</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-zookeeper</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/pom.xml b/dubbo-registry/pom.xml
index a018f2be00d..4febc46a59f 100644
--- a/dubbo-registry/pom.xml
+++ b/dubbo-registry/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The registry module of dubbo project</description>
diff --git a/dubbo-remoting/dubbo-remoting-api/pom.xml b/dubbo-remoting/dubbo-remoting-api/pom.xml
index dee11c3faeb..67f9abfd1fb 100644
--- a/dubbo-remoting/dubbo-remoting-api/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-remoting</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-grizzly/pom.xml b/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
index fd2868454c4..9e4ab69f1e4 100644
--- a/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-grizzly/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-remoting</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 d760b5666e6..40201bc0b13 100644
--- a/dubbo-remoting/dubbo-remoting-http/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-http/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-remoting</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 8046d27d507..30d6cf5bbdd 100644
--- a/dubbo-remoting/dubbo-remoting-mina/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-mina/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-remoting</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 eb64869eb68..ab7aa9c5caf 100644
--- a/dubbo-remoting/dubbo-remoting-netty/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-netty/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-remoting</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-netty</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-p2p/pom.xml b/dubbo-remoting/dubbo-remoting-p2p/pom.xml
index 835294b3a2f..3b44beb51b2 100644
--- a/dubbo-remoting/dubbo-remoting-p2p/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-p2p/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-remoting</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 b3f0d7c9f92..9b552b90e80 100644
--- a/dubbo-remoting/dubbo-remoting-zookeeper/pom.xml
+++ b/dubbo-remoting/dubbo-remoting-zookeeper/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-remoting</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-zookeeper</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/pom.xml b/dubbo-remoting/pom.xml
index 40e95bb77d1..92f938bd8a3 100644
--- a/dubbo-remoting/pom.xml
+++ b/dubbo-remoting/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The remoting module of dubbo project</description>
diff --git a/dubbo-rpc/dubbo-rpc-api/pom.xml b/dubbo-rpc/dubbo-rpc-api/pom.xml
index cfa3018a287..3e09ee4230d 100644
--- a/dubbo-rpc/dubbo-rpc-api/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-api/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-api</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-default/pom.xml b/dubbo-rpc/dubbo-rpc-default/pom.xml
index b43ee6b56e7..17ff0007f63 100644
--- a/dubbo-rpc/dubbo-rpc-default/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-hessian/pom.xml b/dubbo-rpc/dubbo-rpc-hessian/pom.xml
index e237b71799f..919d5da6c13 100644
--- a/dubbo-rpc/dubbo-rpc-hessian/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-hessian/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-hessian</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-http/pom.xml b/dubbo-rpc/dubbo-rpc-http/pom.xml
index 4a181f20772..8d16d675b8b 100644
--- a/dubbo-rpc/dubbo-rpc-http/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-http/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 5637e13d470..69b39e5b7e5 100644
--- a/dubbo-rpc/dubbo-rpc-injvm/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-injvm/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 11775aa0c53..962e15e26b4 100644
--- a/dubbo-rpc/dubbo-rpc-memcached/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-memcached/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 923403fa05c..7957f4b55f4 100644
--- a/dubbo-rpc/dubbo-rpc-redis/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-redis/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-redis</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/dubbo-rpc-rmi/pom.xml b/dubbo-rpc/dubbo-rpc-rmi/pom.xml
index dd7058e5d65..dafeec4b35c 100644
--- a/dubbo-rpc/dubbo-rpc-rmi/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-rmi/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 f8eb6677761..fd8843746bb 100644
--- a/dubbo-rpc/dubbo-rpc-thrift/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-thrift/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-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 d3af3d4a739..587f70802bd 100644
--- a/dubbo-rpc/dubbo-rpc-webservice/pom.xml
+++ b/dubbo-rpc/dubbo-rpc-webservice/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-rpc</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-webservice</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/pom.xml b/dubbo-rpc/pom.xml
index 36368b5c3d6..af5c8713e62 100644
--- a/dubbo-rpc/pom.xml
+++ b/dubbo-rpc/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The rpc module of dubbo project</description>
diff --git a/dubbo-simple/dubbo-monitor-simple/pom.xml b/dubbo-simple/dubbo-monitor-simple/pom.xml
index a198ff96994..1e4dccf022a 100644
--- a/dubbo-simple/dubbo-monitor-simple/pom.xml
+++ b/dubbo-simple/dubbo-monitor-simple/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-simple</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-simple</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-simple/dubbo-registry-simple/pom.xml b/dubbo-simple/dubbo-registry-simple/pom.xml
index d68679e9afc..01e5983e752 100644
--- a/dubbo-simple/dubbo-registry-simple/pom.xml
+++ b/dubbo-simple/dubbo-registry-simple/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-simple</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-simple</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-simple/pom.xml b/dubbo-simple/pom.xml
index 2618da1434b..e68eb3ae890 100644
--- a/dubbo-simple/pom.xml
+++ b/dubbo-simple/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-simple</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The simple implementation module of dubbo project</description>
diff --git a/dubbo-test/dubbo-test-benchmark/pom.xml b/dubbo-test/dubbo-test-benchmark/pom.xml
index e3cb80e17ba..78823d64bc8 100644
--- a/dubbo-test/dubbo-test-benchmark/pom.xml
+++ b/dubbo-test/dubbo-test-benchmark/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-test</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-benchmark</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/dubbo-test-compatibility/pom.xml b/dubbo-test/dubbo-test-compatibility/pom.xml
index bf79db2c754..98945044ae6 100644
--- a/dubbo-test/dubbo-test-compatibility/pom.xml
+++ b/dubbo-test/dubbo-test-compatibility/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-test</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-compatibility</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/dubbo-test-integration/pom.xml b/dubbo-test/dubbo-test-integration/pom.xml
index 3bb5695c3dc..9018aff8dde 100644
--- a/dubbo-test/dubbo-test-integration/pom.xml
+++ b/dubbo-test/dubbo-test-integration/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-test</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-integration</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/pom.xml b/dubbo-test/pom.xml
index 5efcc2984b1..417249a505f 100644
--- a/dubbo-test/pom.xml
+++ b/dubbo-test/pom.xml
@@ -19,10 +19,10 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The test module of dubbo project</description>
diff --git a/dubbo/pom.xml b/dubbo/pom.xml
index 0ee389435ff..6bf48745ebc 100644
--- a/dubbo/pom.xml
+++ b/dubbo/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.3.0</version>
+		<version>2.4.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo</artifactId>
 	<packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index b200da2a99e..1768777a7a2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 		<version>2.0</version>
 	</parent>
 	<artifactId>dubbo-parent</artifactId>
-	<version>2.3.0</version>
+	<version>2.4.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The parent project of dubbo</description>