diff --git a/README b/README
index a65c2cf8d1..0093ce5eec 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-2.1.2-SNAPSHOT-assembly.tar.gz
-    cd dubbo-demo-provider-2.1.2-SNAPSHOT/bin
+    tar zxvf dubbo-demo-provider-2.2.0-SNAPSHOT-assembly.tar.gz
+    cd dubbo-demo-provider-2.2.0-SNAPSHOT/bin
     ./start.sh
 
 5. Install the demo consumer:
 
     cd ~/dubbo/dubbo-demo-consumer/target
-    tar zxvf dubbo-demo-consumer-2.1.2-SNAPSHOT-assembly.tar.gz
-    cd dubbo-demo-consumer-2.1.2-SNAPSHOT/bin
+    tar zxvf dubbo-demo-consumer-2.2.0-SNAPSHOT-assembly.tar.gz
+    cd dubbo-demo-consumer-2.2.0-SNAPSHOT/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-2.1.2-SNAPSHOT-assembly.tar.gz
-    cd dubbo-simple-monitor-2.1.2-SNAPSHOT/bin
+    tar zxvf dubbo-simple-monitor-2.2.0-SNAPSHOT-assembly.tar.gz
+    cd dubbo-simple-monitor-2.2.0-SNAPSHOT/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-2.1.2-SNAPSHOT-assembly.tar.gz
-    cd dubbo-simple-registry-2.1.2-SNAPSHOT/bin
+    tar zxvf dubbo-simple-registry-2.2.0-SNAPSHOT-assembly.tar.gz
+    cd dubbo-simple-registry-2.2.0-SNAPSHOT/bin
     ./start.sh
 
     cd ~/dubbo/dubbo-demo-provider/conf
diff --git a/dubbo-cache/pom.xml b/dubbo-cache/pom.xml
index 6724d0508e..ac47b3b841 100644
--- a/dubbo-cache/pom.xml
+++ b/dubbo-cache/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cache</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-cluster/pom.xml b/dubbo-cluster/pom.xml
index 498cde752b..1c691e51b6 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>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cluster</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-common/pom.xml b/dubbo-common/pom.xml
index 74bd7db6a8..5a3017c4d0 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>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-common</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config-guice/pom.xml b/dubbo-config-guice/pom.xml
index 4a4a66e618..f75eb4a4b4 100644
--- a/dubbo-config-guice/pom.xml
+++ b/dubbo-config-guice/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-guice</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config-sca/pom.xml b/dubbo-config-sca/pom.xml
index bc5754941f..dec1b1988c 100644
--- a/dubbo-config-sca/pom.xml
+++ b/dubbo-config-sca/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-sca</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config-spring/pom.xml b/dubbo-config-spring/pom.xml
index 2d13cc74d9..50b97ea4ba 100644
--- a/dubbo-config-spring/pom.xml
+++ b/dubbo-config-spring/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-spring</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/pom.xml b/dubbo-config/pom.xml
index 8609c674ff..96868bc5a5 100644
--- a/dubbo-config/pom.xml
+++ b/dubbo-config/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/pom.xml b/dubbo-container/pom.xml
index 5361ff740a..8ca4b702c9 100644
--- a/dubbo-container/pom.xml
+++ b/dubbo-container/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo-consumer/pom.xml b/dubbo-demo-consumer/pom.xml
index ae378bd16a..810bbd62ef 100644
--- a/dubbo-demo-consumer/pom.xml
+++ b/dubbo-demo-consumer/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-consumer</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo-consumer/src/test/resources/dubbo.properties b/dubbo-demo-consumer/src/test/resources/dubbo.properties
index 5d04fe8a3e..7c1d9a886d 100644
--- a/dubbo-demo-consumer/src/test/resources/dubbo.properties
+++ b/dubbo-demo-consumer/src/test/resources/dubbo.properties
@@ -16,9 +16,9 @@
 dubbo.container=log4j,spring
 dubbo.application.name=demo-consumer
 dubbo.application.owner=
-dubbo.registry.address=multicast://224.5.6.7:1234
+#dubbo.registry.address=multicast://224.5.6.7:1234
 #dubbo.registry.address=zookeeper://127.0.0.1:2181
-#dubbo.registry.address=redis://127.0.0.1:6379
+dubbo.registry.address=redis://10.20.159.113:6379?backup=10.20.153.10:6379
 #dubbo.registry.address=dubbo://127.0.0.1:9090
 dubbo.monitor.protocol=registry
 #dubbo.log4j.file=logs/dubbo-demo-consumer.log
diff --git a/dubbo-demo-provider/pom.xml b/dubbo-demo-provider/pom.xml
index 4c37ffda90..c08487bafc 100644
--- a/dubbo-demo-provider/pom.xml
+++ b/dubbo-demo-provider/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-provider</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo-provider/src/test/resources/dubbo.properties b/dubbo-demo-provider/src/test/resources/dubbo.properties
index 9dee428033..2ad6741dac 100644
--- a/dubbo-demo-provider/src/test/resources/dubbo.properties
+++ b/dubbo-demo-provider/src/test/resources/dubbo.properties
@@ -16,9 +16,9 @@
 dubbo.container=log4j,spring
 dubbo.application.name=demo-provider
 dubbo.application.owner=william
-dubbo.registry.address=multicast://224.5.6.7:1234
+#dubbo.registry.address=multicast://224.5.6.7:1234
 #dubbo.registry.address=zookeeper://127.0.0.1:2181
-#dubbo.registry.address=redis://127.0.0.1:6379
+dubbo.registry.address=redis://10.20.159.113:6379?backup=10.20.153.10:6379
 #dubbo.registry.address=dubbo://127.0.0.1:9090
 dubbo.monitor.protocol=registry
 dubbo.protocol.name=dubbo
diff --git a/dubbo-demo/pom.xml b/dubbo-demo/pom.xml
index 0ec87758d6..7223fafb08 100644
--- a/dubbo-demo/pom.xml
+++ b/dubbo-demo/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-examples/pom.xml b/dubbo-examples/pom.xml
index 1e2cb5b107..29d51a1827 100644
--- a/dubbo-examples/pom.xml
+++ b/dubbo-examples/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-examples</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor-default/pom.xml b/dubbo-monitor-default/pom.xml
index 6333cf4669..1b05644660 100644
--- a/dubbo-monitor-default/pom.xml
+++ b/dubbo-monitor-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor-simple/pom.xml b/dubbo-monitor-simple/pom.xml
index 8fcc5cbcbe..5c26a565a2 100644
--- a/dubbo-monitor-simple/pom.xml
+++ b/dubbo-monitor-simple/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-simple</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor/pom.xml b/dubbo-monitor/pom.xml
index f18b857275..34c7a24cc9 100644
--- a/dubbo-monitor/pom.xml
+++ b/dubbo-monitor/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry-default/pom.xml b/dubbo-registry-default/pom.xml
index 3726f3fbff..797a800ead 100644
--- a/dubbo-registry-default/pom.xml
+++ b/dubbo-registry-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry-multicast/pom.xml b/dubbo-registry-multicast/pom.xml
index 0ab90d64a5..4ae3bb8385 100644
--- a/dubbo-registry-multicast/pom.xml
+++ b/dubbo-registry-multicast/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-multicast</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry-redis/pom.xml b/dubbo-registry-redis/pom.xml
index 389fd7271f..94c29e74ab 100644
--- a/dubbo-registry-redis/pom.xml
+++ b/dubbo-registry-redis/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-redis</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry-simple/pom.xml b/dubbo-registry-simple/pom.xml
index c2b40c8bcd..85f7825435 100644
--- a/dubbo-registry-simple/pom.xml
+++ b/dubbo-registry-simple/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-simple</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry-zookeeper/pom.xml b/dubbo-registry-zookeeper/pom.xml
index 5ba41e6722..93d8664d36 100644
--- a/dubbo-registry-zookeeper/pom.xml
+++ b/dubbo-registry-zookeeper/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-zookeeper</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/pom.xml b/dubbo-registry/pom.xml
index 2ee3d31d7f..d3739a5e9d 100644
--- a/dubbo-registry/pom.xml
+++ b/dubbo-registry/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting-grizzly/pom.xml b/dubbo-remoting-grizzly/pom.xml
index d29c793d88..9e666f8ae9 100644
--- a/dubbo-remoting-grizzly/pom.xml
+++ b/dubbo-remoting-grizzly/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-grizzly</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting-http/pom.xml b/dubbo-remoting-http/pom.xml
index d7c4a5c40a..cf2375443f 100644
--- a/dubbo-remoting-http/pom.xml
+++ b/dubbo-remoting-http/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-http</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting-mina/pom.xml b/dubbo-remoting-mina/pom.xml
index cc7c8edec0..19d5dc39ad 100644
--- a/dubbo-remoting-mina/pom.xml
+++ b/dubbo-remoting-mina/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-mina</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting-netty/pom.xml b/dubbo-remoting-netty/pom.xml
index cf7aec7d2b..68dc1774c7 100644
--- a/dubbo-remoting-netty/pom.xml
+++ b/dubbo-remoting-netty/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-netty</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting-p2p/pom.xml b/dubbo-remoting-p2p/pom.xml
index 42b4bc641e..0c86c906e2 100644
--- a/dubbo-remoting-p2p/pom.xml
+++ b/dubbo-remoting-p2p/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-p2p</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/pom.xml b/dubbo-remoting/pom.xml
index 9438a03de0..b639c47b1c 100644
--- a/dubbo-remoting/pom.xml
+++ b/dubbo-remoting/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc-default/pom.xml b/dubbo-rpc-default/pom.xml
index 1791cb55e9..9d064840c1 100644
--- a/dubbo-rpc-default/pom.xml
+++ b/dubbo-rpc-default/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc-hessian/pom.xml b/dubbo-rpc-hessian/pom.xml
index b7d8321394..4e0f43b80a 100644
--- a/dubbo-rpc-hessian/pom.xml
+++ b/dubbo-rpc-hessian/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-hessian</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc-injvm/pom.xml b/dubbo-rpc-injvm/pom.xml
index 4e4050c4e4..d9eba04f10 100644
--- a/dubbo-rpc-injvm/pom.xml
+++ b/dubbo-rpc-injvm/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-injvm</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc-rmi/pom.xml b/dubbo-rpc-rmi/pom.xml
index 5794ac0104..4c26d8bf8d 100644
--- a/dubbo-rpc-rmi/pom.xml
+++ b/dubbo-rpc-rmi/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-rmi</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/pom.xml b/dubbo-rpc/pom.xml
index c1c7f36f62..d87d50ad66 100644
--- a/dubbo-rpc/pom.xml
+++ b/dubbo-rpc/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-validation/pom.xml b/dubbo-validation/pom.xml
index bc63e2bd25..bf5eab77ec 100644
--- a/dubbo-validation/pom.xml
+++ b/dubbo-validation/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-validation</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo/pom.xml b/dubbo/pom.xml
index ad38c94349..982b078bf0 100644
--- a/dubbo/pom.xml
+++ b/dubbo/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.1.2-SNAPSHOT</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo</artifactId>
 	<packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index 291dcbb0b2..87a04e02fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 		<version>1.0</version>
 	</parent>
 	<artifactId>dubbo-parent</artifactId>
-	<version>2.1.2-SNAPSHOT</version>
+	<version>2.2.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>Dubbo Parent POM</name>
 	<description>The parent project of dubbo</description>