diff --git a/dubbo-admin/pom.xml b/dubbo-admin/pom.xml
index d72e33daec..44ce306a69 100644
--- a/dubbo-admin/pom.xml
+++ b/dubbo-admin/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-admin</artifactId>
 	<packaging>war</packaging>
diff --git a/dubbo-cluster/pom.xml b/dubbo-cluster/pom.xml
index fcb7c6e700..1e9edf86e7 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-cluster</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-common/pom.xml b/dubbo-common/pom.xml
index fb381c58c1..26e31c1e7c 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 786b29dc81..4affbcc72a 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 c02089df87..274f7791ba 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config-spring</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-config/pom.xml b/dubbo-config/pom.xml
index 9e2a66c1cf..ed2a84959c 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-config</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo-container/dubbo-container-api/pom.xml b/dubbo-container/dubbo-container-api/pom.xml
index ae8b39da87..342964ed50 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 fd5e6b8e77..31811b18ed 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 8c6cbd2272..adea3aa7e9 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 c873cfb084..20493bae53 100644
--- a/dubbo-container/dubbo-container-logback/pom.xml
+++ b/dubbo-container/dubbo-container-logback/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-container</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 83c13668ca..30a7a299d6 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container-spring</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-container/pom.xml b/dubbo-container/pom.xml
index 0de3350448..b8738814cb 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-container</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo-demo/dubbo-demo-api/pom.xml b/dubbo-demo/dubbo-demo-api/pom.xml
index e755624a57..849c3e6532 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 37eae52db2..e518cff2c0 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-consumer</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/dubbo-demo-provider/pom.xml b/dubbo-demo/dubbo-demo-provider/pom.xml
index c76d5807c4..c7970f1239 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo-provider</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-demo/pom.xml b/dubbo-demo/pom.xml
index db063c2b1b..05b065c721 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-demo</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo-filter/dubbo-filter-cache/pom.xml b/dubbo-filter/dubbo-filter-cache/pom.xml
index 362f8d5823..c5fb695316 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 c5add7aaf6..43af382509 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter-validation</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-filter/pom.xml b/dubbo-filter/pom.xml
index 7fb80e708f..8a50206a4d 100644
--- a/dubbo-filter/pom.xml
+++ b/dubbo-filter/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-filter</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo-monitor/dubbo-monitor-api/pom.xml b/dubbo-monitor/dubbo-monitor-api/pom.xml
index f4359b03b4..19df1ae264 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 c3d4c0d424..a4e398bcd3 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor-default</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-monitor/pom.xml b/dubbo-monitor/pom.xml
index 8f07a90dfd..a5c516f6ae 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-monitor</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo-registry/dubbo-registry-api/pom.xml b/dubbo-registry/dubbo-registry-api/pom.xml
index 776758ea8c..21e51e1df3 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 1c46630e9b..616cd82a01 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 9316731eed..31f9e46bf7 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 3ac6c6d31b..89480310c5 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 762bba899a..b42217d30c 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-zookeeper</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-registry/pom.xml b/dubbo-registry/pom.xml
index 2692390f29..47161e2cfc 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 ed94b1f11a..3c3195105e 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 7ebd6db8b4..4aac70bd47 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 a17b281c34..8b30a08a74 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 50a90f59b4..7cd615a50e 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 1cafe96cdc..125b9569fc 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-netty</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/dubbo-remoting-nio/pom.xml b/dubbo-remoting/dubbo-remoting-nio/pom.xml
new file mode 100644
index 0000000000..2962b3dcaa
--- /dev/null
+++ b/dubbo-remoting/dubbo-remoting-nio/pom.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+ - Copyright 1999-2011 Alibaba Group.
+ -
+ - Licensed 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 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>dubbo-remoting</artifactId>
+        <groupId>com.alibaba</groupId>
+        <version>2.5.4-SNAPSHOT</version>
+    </parent>
+    <groupId>com.alibaba</groupId>
+    <artifactId>dubbo-remoting-nio</artifactId>
+    <name>dubbo-remoting-nio</name>
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>dubbo-remoting-api</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/dubbo-remoting/dubbo-remoting-p2p/pom.xml b/dubbo-remoting/dubbo-remoting-p2p/pom.xml
index be6179a490..c6c51811f9 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 120055e22b..2564ffc125 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-remoting-zookeeper</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-remoting/pom.xml b/dubbo-remoting/pom.xml
index 92abba7b40..e3bcaab869 100644
--- a/dubbo-remoting/pom.xml
+++ b/dubbo-remoting/pom.xml
@@ -1,40 +1,40 @@
-<!-- 
- - Copyright 1999-2011 Alibaba Group.
- -  
- - Licensed 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>com.alibaba</groupId>
-		<artifactId>dubbo-parent</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
-	</parent>
-	<artifactId>dubbo-remoting</artifactId>
-	<packaging>pom</packaging>
-	<name>${project.artifactId}</name>
-	<description>The remoting module of dubbo project</description>
-	<properties>
-		<skip_maven_deploy>true</skip_maven_deploy>
-	</properties>
-	<modules>
-		<module>dubbo-remoting-api</module>
-		<module>dubbo-remoting-netty</module>
-		<module>dubbo-remoting-mina</module>
-		<module>dubbo-remoting-grizzly</module>
-		<module>dubbo-remoting-p2p</module>
-		<module>dubbo-remoting-http</module>
-		<module>dubbo-remoting-zookeeper</module>
-	</modules>
-</project>
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 
+ - Copyright 1999-2011 Alibaba Group.
+ -  
+ - Licensed 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>com.alibaba</groupId>
+		<artifactId>dubbo-parent</artifactId>
+		<version>2.5.4-SNAPSHOT</version>
+	</parent>
+	<artifactId>dubbo-remoting</artifactId>
+	<packaging>pom</packaging>
+	<name>${project.artifactId}</name>
+	<description>The remoting module of dubbo project</description>
+	<properties>
+		<skip_maven_deploy>true</skip_maven_deploy>
+	</properties>
+	<modules>
+		<module>dubbo-remoting-api</module>
+		<module>dubbo-remoting-netty</module>
+		<module>dubbo-remoting-mina</module>
+		<module>dubbo-remoting-grizzly</module>
+		<module>dubbo-remoting-p2p</module>
+		<module>dubbo-remoting-http</module>
+		<module>dubbo-remoting-zookeeper</module>
+    <module>dubbo-remoting-nio</module>
+  </modules>
+</project>
\ No newline at end of file
diff --git a/dubbo-rpc/dubbo-rpc-api/pom.xml b/dubbo-rpc/dubbo-rpc-api/pom.xml
index f15fa164ef..6cf1777589 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 0e1a95dc7e..906ba76bd0 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 4fe91df809..5002898948 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 239a289fcb..9eb8901c8d 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 93fdbe7d72..cf4f500888 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 0b18b013b3..dfcde46c0f 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 51b0ba3ff2..86902eb96b 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 81d1130b4d..ef5e72215b 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 683574679c..b632539bee 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 a0eccfb847..2e38db44a6 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc-webservice</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-rpc/pom.xml b/dubbo-rpc/pom.xml
index 50c0b20da5..f2ec70b583 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-rpc</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo-simple/dubbo-monitor-simple/pom.xml b/dubbo-simple/dubbo-monitor-simple/pom.xml
index 6b5a45a402..ece10d4210 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 f645af1ef9..4de8766a16 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-registry-simple</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-simple/pom.xml b/dubbo-simple/pom.xml
index 3b2dc07636..523164e392 100644
--- a/dubbo-simple/pom.xml
+++ b/dubbo-simple/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-simple</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo-test/dubbo-test-benchmark/pom.xml b/dubbo-test/dubbo-test-benchmark/pom.xml
index 775f370a4c..ae1ea13548 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-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 116db9a0c7..7f7bfe113c 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-compatibility</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/dubbo-test-examples/pom.xml b/dubbo-test/dubbo-test-examples/pom.xml
index 913063d5c0..aa9639ec76 100644
--- a/dubbo-test/dubbo-test-examples/pom.xml
+++ b/dubbo-test/dubbo-test-examples/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-test</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-examples</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/dubbo-test-integration/pom.xml b/dubbo-test/dubbo-test-integration/pom.xml
index 9aebf178f9..52258d76c2 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>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test-integration</artifactId>
 	<packaging>jar</packaging>
diff --git a/dubbo-test/pom.xml b/dubbo-test/pom.xml
index c3899ebf07..37189c188e 100644
--- a/dubbo-test/pom.xml
+++ b/dubbo-test/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo-test</artifactId>
 	<packaging>pom</packaging>
diff --git a/dubbo/pom.xml b/dubbo/pom.xml
index 04a943a9a6..52f38760de 100644
--- a/dubbo/pom.xml
+++ b/dubbo/pom.xml
@@ -19,7 +19,7 @@
 	<parent>
 		<groupId>com.alibaba</groupId>
 		<artifactId>dubbo-parent</artifactId>
-		<version>2.5.3-SNAPSHOT</version>
+		<version>2.5.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dubbo</artifactId>
 	<packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index cdd70cef29..c285a6e0ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 		<version>2.0</version>
 	</parent>
 	<artifactId>dubbo-parent</artifactId>
-	<version>2.5.3-SNAPSHOT</version>
+	<version>2.5.4-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>The parent project of dubbo</description>