diff --git a/client-adapter/common/pom.xml b/client-adapter/common/pom.xml
index 82042053..347dae44 100644
--- a/client-adapter/common/pom.xml
+++ b/client-adapter/common/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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">
+<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">
     <parent>
         <artifactId>canal.client-adapter</artifactId>
         <groupId>com.alibaba.otter</groupId>
-        <version>1.1.1-SNAPSHOT</version>
+        <version>1.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba.otter</groupId>
@@ -16,7 +14,7 @@
         <dependency>
             <groupId>com.alibaba.otter</groupId>
             <artifactId>canal.protocol</artifactId>
-            <version>1.1.1-SNAPSHOT</version>
+            <version>1.1.1</version>
         </dependency>
         <dependency>
             <groupId>joda-time</groupId>
diff --git a/client-adapter/hbase/pom.xml b/client-adapter/hbase/pom.xml
index b3d274e4..94acbbe2 100644
--- a/client-adapter/hbase/pom.xml
+++ b/client-adapter/hbase/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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">
+<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">
     <parent>
         <artifactId>canal.client-adapter</artifactId>
         <groupId>com.alibaba.otter</groupId>
-        <version>1.1.1-SNAPSHOT</version>
+        <version>1.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba.otter</groupId>
diff --git a/client-adapter/launcher/pom.xml b/client-adapter/launcher/pom.xml
index 0b7325ad..8cc80d81 100644
--- a/client-adapter/launcher/pom.xml
+++ b/client-adapter/launcher/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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">
+<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">
     <parent>
         <artifactId>canal.client-adapter</artifactId>
         <groupId>com.alibaba.otter</groupId>
-        <version>1.1.1-SNAPSHOT</version>
+        <version>1.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba.otter</groupId>
@@ -34,7 +32,7 @@
         <dependency>
             <groupId>com.alibaba.otter</groupId>
             <artifactId>canal.client</artifactId>
-            <version>1.1.1-SNAPSHOT</version>
+            <version>1.1.1</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
@@ -134,14 +132,14 @@
                         </goals>
                         <configuration>
                             <tasks>
-                                <copy todir="${project.basedir}/target/config" overwrite="true" >
+                                <copy todir="${project.basedir}/target/config" overwrite="true">
                                     <fileset dir="${project.basedir}/src/main/resources" erroronmissingdir="true">
-                                        <include name="*.yml"/>
+                                        <include name="*.yml" />
                                     </fileset>
                                 </copy>
-                                <copy todir="${project.basedir}/target/config/hbase" overwrite="true" >
+                                <copy todir="${project.basedir}/target/config/hbase" overwrite="true">
                                     <fileset dir="${project.basedir}/../hbase/src/main/resources/hbase" erroronmissingdir="true">
-                                        <include name="*.yml"/>
+                                        <include name="*.yml" />
                                     </fileset>
                                 </copy>
                             </tasks>
diff --git a/client-adapter/logger/pom.xml b/client-adapter/logger/pom.xml
index af7ec379..bfbe39f8 100644
--- a/client-adapter/logger/pom.xml
+++ b/client-adapter/logger/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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">
+<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">
     <parent>
         <artifactId>canal.client-adapter</artifactId>
         <groupId>com.alibaba.otter</groupId>
-        <version>1.1.1-SNAPSHOT</version>
+        <version>1.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba.otter</groupId>
diff --git a/client-adapter/pom.xml b/client-adapter/pom.xml
index aafe6395..e5ad637b 100644
--- a/client-adapter/pom.xml
+++ b/client-adapter/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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">
+<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.alibaba.otter</groupId>
     <artifactId>canal.client-adapter</artifactId>
-    <version>1.1.1-SNAPSHOT</version>
+    <version>1.1.1</version>
     <packaging>pom</packaging>
     <name>canal client adapter module for otter ${project.version}</name>
 
diff --git a/client/pom.xml b/client/pom.xml
index 370d1854..3f7d6ed5 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
@@ -180,8 +180,7 @@
 								</relocation>
 							</relocations>
 							<transformers>
-								<transformer
-										implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"/>
+								<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer" />
 							</transformers>
 						</configuration>
 					</execution>
diff --git a/common/pom.xml b/common/pom.xml
index 545905c2..0b85b882 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -1,10 +1,9 @@
-<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">
+<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>
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.common</artifactId>
diff --git a/dbsync/pom.xml b/dbsync/pom.xml
index ac606af4..959d9594 100644
--- a/dbsync/pom.xml
+++ b/dbsync/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/deployer/pom.xml b/deployer/pom.xml
index 690b8c91..cc4226a4 100644
--- a/deployer/pom.xml
+++ b/deployer/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/driver/pom.xml b/driver/pom.xml
index 692475db..04c9d3e4 100644
--- a/driver/pom.xml
+++ b/driver/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/example/pom.xml b/example/pom.xml
index 679bfb1d..c125ddda 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/filter/pom.xml b/filter/pom.xml
index 95c77f8f..40a36b51 100644
--- a/filter/pom.xml
+++ b/filter/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/core/pom.xml b/instance/core/pom.xml
index 1a73fc8a..554c9a62 100644
--- a/instance/core/pom.xml
+++ b/instance/core/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.instance.core</artifactId>
diff --git a/instance/manager/pom.xml b/instance/manager/pom.xml
index ec85fa2c..3dd0a1d7 100644
--- a/instance/manager/pom.xml
+++ b/instance/manager/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/pom.xml b/instance/pom.xml
index a73b43fe..8723337d 100644
--- a/instance/pom.xml
+++ b/instance/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/instance/spring/pom.xml b/instance/spring/pom.xml
index 929fc273..b885754d 100644
--- a/instance/spring/pom.xml
+++ b/instance/spring/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/meta/pom.xml b/meta/pom.xml
index 98788116..d27e41d2 100644
--- a/meta/pom.xml
+++ b/meta/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/parse/pom.xml b/parse/pom.xml
index 8e47215b..8e90cb88 100644
--- a/parse/pom.xml
+++ b/parse/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.parse</artifactId>
diff --git a/pom.xml b/pom.xml
index edda070d..88a9b62d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <artifactId>canal</artifactId>
     <packaging>pom</packaging>
     <name>canal module for otter ${project.version}</name>
-    <version>1.1.1-SNAPSHOT</version>
+    <version>1.1.1</version>
     <url>https://github.com/alibaba/canal</url>
     <parent>
         <groupId>org.sonatype.oss</groupId>
@@ -371,6 +371,24 @@
                 </configuration>
             </plugin>
             <!-- javadoc -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>2.9.1</version>
+                <executions>
+                    <execution>
+                            <id>attach-javadocs</id>
+                            <goals>
+                                <goal>jar</goal>
+                            </goals>
+                        </execution>
+                    </executions>
+                <configuration>
+                  <encoding>${file_encoding}</encoding>
+                  <charset>${file_encoding}</charset>
+                  <additionalparam>-Xdoclint:none</additionalparam>
+                </configuration>
+            </plugin>
             <!--
             <plugin>
 				<groupId>org.apache.maven.plugins</groupId>
diff --git a/prometheus/pom.xml b/prometheus/pom.xml
index 29bf8c1f..7b10336f 100644
--- a/prometheus/pom.xml
+++ b/prometheus/pom.xml
@@ -3,13 +3,13 @@
     <parent>
         <artifactId>canal</artifactId>
         <groupId>com.alibaba.otter</groupId>
-        <version>1.1.1-SNAPSHOT</version>
+        <version>1.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.alibaba.otter</groupId>
     <artifactId>canal.prometheus</artifactId>
-    <version>1.1.1-SNAPSHOT</version>
+    <version>1.1.1</version>
     <name>canal prometheus module for otter ${project.version}</name>
     <dependencies>
         <dependency>
diff --git a/protocol/pom.xml b/protocol/pom.xml
index f8211e56..48d657d2 100644
--- a/protocol/pom.xml
+++ b/protocol/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/server/pom.xml b/server/pom.xml
index 20108523..e011982f 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>canal.server</artifactId>
diff --git a/sink/pom.xml b/sink/pom.xml
index 1a1fef1e..3b0b74d6 100644
--- a/sink/pom.xml
+++ b/sink/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>
diff --git a/store/pom.xml b/store/pom.xml
index 2fb122d0..7003c225 100644
--- a/store/pom.xml
+++ b/store/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.alibaba.otter</groupId>
 		<artifactId>canal</artifactId>
-		<version>1.1.1-SNAPSHOT</version>
+		<version>1.1.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<groupId>com.alibaba.otter</groupId>