diff --git a/core/pom.xml b/core/pom.xml
index 9b5f457678..4f34b5a126 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -104,6 +104,12 @@
                             <goal>testCompile</goal>
                         </goals>
                     </execution>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>doc-jar</goal>
+                        </goals>
+                    </execution>
                 </executions>
                 <configuration>
                     <scalaVersion>${scala.version}</scalaVersion>
@@ -173,11 +179,10 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>2.1.2</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>
-                        <phase>deploy</phase>
                         <goals>
                             <goal>jar-no-fork</goal>
                         </goals>
@@ -194,13 +199,38 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.8</version>
+                <version>2.9.1</version>
                 <configuration>
-                    <charset>UTF-8</charset>
-                    <encoding>UTF-8</encoding>
-                    <docencoding>UTF-8</docencoding>
-                    <locale>zh_CN</locale>
+                    <skip>${javadoc.skip}</skip>
                 </configuration>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                        <configuration> <!-- add this to disable checking -->
+                            <additionalparam>-Xdoclint:none</additionalparam>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <!--GPG Signed Components-->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.5</version>
+                <configuration>
+                    <skip>${gpg.skip}</skip>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
             <!-- Assembly Plug-in -->
             <plugin>
diff --git a/pom.xml b/pom.xml
index 546421c002..27d29bb2f8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,9 +3,9 @@
          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>18</version>
+        <groupId>org.apache</groupId>
+        <artifactId>apache</artifactId>
+        <version>18</version>
     </parent>
 
     <groupId>com.pingcap.tispark</groupId>
@@ -16,15 +16,50 @@
     <url>http://github.copm/pingcap/tispark</url>
 
     <licenses>
-      <license>
-        <name>Apache 2.0 License</name>
-        <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
-        <distribution>repo</distribution>
-      </license>
+        <license>
+            <name>Apache 2.0 License</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
+            <distribution>repo</distribution>
+        </license>
     </licenses>
+
     <organization>
         <name>PingCAP</name>
     </organization>
+
+    <developers>
+        <developer>
+            <name>Xiaoyu Ma</name>
+            <email>maxiaoyu@pingcap.com</email>
+            <organization>PingCAP</organization>
+            <organizationUrl>https://www.pingcap.com</organizationUrl>
+        </developer>
+        <developer>
+            <name>Yifei Wu</name>
+            <email>birdstorm@pingcap.com</email>
+            <organization>PingCAP</organization>
+            <organizationUrl>https://www.pingcap.com</organizationUrl>
+        </developer>
+        <developer>
+            <name>Gansen Hu</name>
+            <email>hugansen@pingcap.com</email>
+            <organization>PingCAP</organization>
+            <organizationUrl>https://www.pingcap.com</organizationUrl>
+        </developer>
+        <developer>
+            <name>Zhexuan Yang</name>
+            <email>yangzhexuan@pingcap.com</email>
+            <organization>PingCAP</organization>
+            <organizationUrl>https://www.pingcap.com</organizationUrl>
+        </developer>
+    </developers>
+
+    <scm>
+        <connection>scm:git:git://github.com/pingcap/tispark.git</connection>
+        <developerConnection>scm:git:ssh://github.com:pingcap/tispark.git</developerConnection>
+        <url>https://github.com/pingcap/tispark/tree/master</url>
+    </scm>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
@@ -33,8 +68,21 @@
         <spark.version>2.1.1</spark.version>
         <scala.binary.version>2.11</scala.binary.version>
         <scala.version>2.11.8</scala.version>
+        <gpg.skip>true</gpg.skip>
+        <javadoc.skip>true</javadoc.skip>
     </properties>
 
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
+
     <modules>
         <module>core</module>
         <module>tikv-client</module>
diff --git a/tikv-client/pom.xml b/tikv-client/pom.xml
index 1fbb0dfb0e..e3c63261fd 100644
--- a/tikv-client/pom.xml
+++ b/tikv-client/pom.xml
@@ -257,12 +257,39 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.8</version>
+                <version>2.9.1</version>
                 <configuration>
-                    <charset>UTF-8</charset>
-                    <encoding>UTF-8</encoding>
-                    <docencoding>UTF-8</docencoding>
+                    <skip>${javadoc.skip}</skip>
                 </configuration>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                        <configuration> <!-- add this to disable checking -->
+                            <additionalparam>-Xdoclint:none</additionalparam>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <!--GPG Signed Components-->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.5</version>
+                <configuration>
+                    <skip>${gpg.skip}</skip>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
             <!-- Assembly Plug-in -->
             <plugin>