diff --git a/README.md b/README.md
index cc993f7..955c8d8 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,14 @@ CeresDB is a high-performance, distributed, schema-less, cloud native time-serie
 ## Requirements
 - Java 8 or later is required for compilation 
 
+## Import
+```java
+<dependency>
+  <groupId>io.ceresdb</groupId>
+  <artifactId>ceresdb-all</artifactId>
+  <version>0.1.0</version>
+</dependency>
+```
 
 ## Init CeresDB client
 ```java
diff --git a/README_CN.md b/README_CN.md
index 8ca707a..997b9ab 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -94,6 +94,15 @@ CeresDBClient 是 CeresDB 的高性能 Java 版客户端。CeresDB 是定位为
 ## 需要
 编译需要 Java 8 及以上
 
+## 引用
+```java
+<dependency>
+  <groupId>io.ceresdb</groupId>
+  <artifactId>ceresdb-all</artifactId>
+  <version>0.1.0</version>
+</dependency>
+```
+
 ## 初始化 CeresDB Client
 ```java
 // CeresDB options
diff --git a/ceresdb-all/pom.xml b/ceresdb-all/pom.xml
index 518ded9..7046854 100644
--- a/ceresdb-all/pom.xml
+++ b/ceresdb-all/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-common/pom.xml b/ceresdb-common/pom.xml
index a383481..1d7138e 100644
--- a/ceresdb-common/pom.xml
+++ b/ceresdb-common/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-example/pom.xml b/ceresdb-example/pom.xml
index 1a1125e..692a1d7 100644
--- a/ceresdb-example/pom.xml
+++ b/ceresdb-example/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-grpc/pom.xml b/ceresdb-grpc/pom.xml
index 7fbb3bc..1c05276 100644
--- a/ceresdb-grpc/pom.xml
+++ b/ceresdb-grpc/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-http/pom.xml b/ceresdb-http/pom.xml
index 10525ad..56ec8aa 100644
--- a/ceresdb-http/pom.xml
+++ b/ceresdb-http/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-protocol/pom.xml b/ceresdb-protocol/pom.xml
index 473a0d8..a7d2294 100644
--- a/ceresdb-protocol/pom.xml
+++ b/ceresdb-protocol/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-rpc/pom.xml b/ceresdb-rpc/pom.xml
index 7cabea4..6e74824 100644
--- a/ceresdb-rpc/pom.xml
+++ b/ceresdb-rpc/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-sql-javacc/pom.xml b/ceresdb-sql-javacc/pom.xml
index e7c9afc..bc4a77a 100644
--- a/ceresdb-sql-javacc/pom.xml
+++ b/ceresdb-sql-javacc/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/ceresdb-sql/pom.xml b/ceresdb-sql/pom.xml
index 4b2c300..a46f32c 100644
--- a/ceresdb-sql/pom.xml
+++ b/ceresdb-sql/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>ceresdb-client</artifactId>
-        <groupId>com.ceresdb</groupId>
+        <groupId>io.ceresdb</groupId>
         <version>0.1.0</version>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 81fe382..3ed24c0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,11 +2,34 @@
 <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>
 
-    <groupId>com.ceresdb</groupId>
+    <groupId>io.ceresdb</groupId>
     <artifactId>ceresdb-client</artifactId>
     <version>0.1.0</version>
     <packaging>pom</packaging>
 
+    <name>ceresdb-client</name>
+    <description>CeresDBClient is a high-performance Java client for CeresDB. CeresDB is a high-performance, distributed, schema-less, cloud native time-series database that can handle both time-series and analytics workloads.</description>
+    <url>https://github.com/CeresDB/ceresdb-client-java</url>
+
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo,manual</distribution>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <name>zuliang.wzl</name>
+            <email>zuliangwanghust@gmail.com</email>
+        </developer>
+        <developer>
+            <name>weirong.cwr</name>
+            <email>weirong.cwr@gmail.com</email>
+        </developer>
+    </developers>
+
     <modules>
         <module>ceresdb-all</module>
         <module>ceresdb-common</module>
@@ -19,6 +42,23 @@
         <module>ceresdb-http</module>
     </modules>
 
+    <scm>
+        <connection>https://github.com/CeresDB/ceresdb-client-java</connection>
+        <developerConnection>https://github.com/CeresDB/ceresdb-client-java</developerConnection>
+        <url>https://github.com/CeresDB/ceresdb-client-java</url>
+    </scm>
+
+    <distributionManagement>
+        <repository>
+            <id>ossrh</id>
+            <url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+    </distributionManagement>
+
     <properties>
         <arvo.version>1.10.2</arvo.version>
         <gson.version>2.8.9</gson.version>
@@ -380,6 +420,41 @@
                     </mapping>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.sonatype.plugins</groupId>
+                <artifactId>nexus-staging-maven-plugin</artifactId>
+                <version>1.6.7</version>
+                <extensions>true</extensions>
+                <configuration>
+                    <serverId>ossrh</serverId>
+                    <nexusUrl>https://s01.oss.sonatype.org/</nexusUrl>
+                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.6</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>2.9.1</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <!-- ignore javadoc check-->
+                    <additionalparam>-Xdoclint:none</additionalparam>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
+
+
 </project>