[maven-release-plugin] prepare release 3.0.2
diff --git a/elasticjob-api/pom.xml b/elasticjob-api/pom.xml
index 2a68216..ac78f3d 100644
--- a/elasticjob-api/pom.xml
+++ b/elasticjob-api/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-api</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-cloud/elasticjob-cloud-common/pom.xml b/elasticjob-cloud/elasticjob-cloud-common/pom.xml
index 23736af..fee78f0 100755
--- a/elasticjob-cloud/elasticjob-cloud-common/pom.xml
+++ b/elasticjob-cloud/elasticjob-cloud-common/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-cloud</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-cloud-common</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-cloud/elasticjob-cloud-executor/pom.xml b/elasticjob-cloud/elasticjob-cloud-executor/pom.xml
index 5652751..be5d0b1 100755
--- a/elasticjob-cloud/elasticjob-cloud-executor/pom.xml
+++ b/elasticjob-cloud/elasticjob-cloud-executor/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-cloud</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-cloud-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-cloud/elasticjob-cloud-scheduler/pom.xml b/elasticjob-cloud/elasticjob-cloud-scheduler/pom.xml
index b37a790..751341b 100755
--- a/elasticjob-cloud/elasticjob-cloud-scheduler/pom.xml
+++ b/elasticjob-cloud/elasticjob-cloud-scheduler/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-cloud</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-cloud-scheduler</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-cloud/pom.xml b/elasticjob-cloud/pom.xml
index 0a44944..1736bc1 100644
--- a/elasticjob-cloud/pom.xml
+++ b/elasticjob-cloud/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-cloud</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-distribution/elasticjob-cloud-executor-distribution/pom.xml b/elasticjob-distribution/elasticjob-cloud-executor-distribution/pom.xml
index 38abef0..723f570 100644
--- a/elasticjob-distribution/elasticjob-cloud-executor-distribution/pom.xml
+++ b/elasticjob-distribution/elasticjob-cloud-executor-distribution/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-distribution</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-cloud-executor-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-distribution/elasticjob-cloud-scheduler-distribution/pom.xml b/elasticjob-distribution/elasticjob-cloud-scheduler-distribution/pom.xml
index 7e2a65c..9b4037b 100644
--- a/elasticjob-distribution/elasticjob-cloud-scheduler-distribution/pom.xml
+++ b/elasticjob-distribution/elasticjob-cloud-scheduler-distribution/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-distribution</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-cloud-scheduler-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-distribution/elasticjob-lite-distribution/pom.xml b/elasticjob-distribution/elasticjob-lite-distribution/pom.xml
index 485fabb..9577974 100644
--- a/elasticjob-distribution/elasticjob-lite-distribution/pom.xml
+++ b/elasticjob-distribution/elasticjob-lite-distribution/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-distribution</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-distribution/elasticjob-src-distribution/pom.xml b/elasticjob-distribution/elasticjob-src-distribution/pom.xml
index 5eb0c3f..cb0c8dc 100644
--- a/elasticjob-distribution/elasticjob-src-distribution/pom.xml
+++ b/elasticjob-distribution/elasticjob-src-distribution/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-distribution</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-src-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-distribution/pom.xml b/elasticjob-distribution/pom.xml
index be5f997..015bb41 100644
--- a/elasticjob-distribution/pom.xml
+++ b/elasticjob-distribution/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-spi/pom.xml b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-spi/pom.xml
index 42dff33..b7f8a4b 100644
--- a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-spi/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-spi/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-error-handler</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-error-handler-spi</artifactId>
     
diff --git a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-dingtalk/pom.xml b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-dingtalk/pom.xml
index 97856fb..f97f535 100644
--- a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-dingtalk/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-dingtalk/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-error-handler-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-error-handler-dingtalk</artifactId>
     
diff --git a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-email/pom.xml b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-email/pom.xml
index fbc031b..321a7a2 100644
--- a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-email/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-email/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-error-handler-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-error-handler-email</artifactId>
     
diff --git a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-general/pom.xml b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-general/pom.xml
index 83863d7..73462fc 100644
--- a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-general/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-general/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-error-handler-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-error-handler-general</artifactId>
     
diff --git a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-wechat/pom.xml b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-wechat/pom.xml
index d2ef6e8..6a8c60b 100644
--- a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-wechat/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/elasticjob-error-handler-wechat/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-error-handler-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-error-handler-wechat</artifactId>
     
diff --git a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/pom.xml b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/pom.xml
index 0fb1b6c..35111d2 100644
--- a/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-error-handler/elasticjob-error-handler-type/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-error-handler</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-error-handler-type</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-ecosystem/elasticjob-error-handler/pom.xml b/elasticjob-ecosystem/elasticjob-error-handler/pom.xml
index e2a1ad3..7a7a267 100644
--- a/elasticjob-ecosystem/elasticjob-error-handler/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-error-handler/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-ecosystem</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-error-handler</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-kernel/pom.xml b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-kernel/pom.xml
index aba4fb3..8781124 100644
--- a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-kernel/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-kernel/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-executor-kernel</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml
index ca7d153..1e31643 100644
--- a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-dataflow-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-http-executor/pom.xml b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-http-executor/pom.xml
index 4c3cd4e..d5b8e73 100644
--- a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-http-executor/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-http-executor/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-http-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml
index 3ce051f..a6c6cfb 100644
--- a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-script-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml
index 41933e3..1a4ccd9 100644
--- a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor-type</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-simple-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/pom.xml b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/pom.xml
index 4a9947a..b5c970a 100644
--- a/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-executor/elasticjob-executor-type/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-executor-type</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-ecosystem/elasticjob-executor/pom.xml b/elasticjob-ecosystem/elasticjob-executor/pom.xml
index e6a0148..5c78b15 100644
--- a/elasticjob-ecosystem/elasticjob-executor/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-executor/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-ecosystem</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-executor</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-api/pom.xml b/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-api/pom.xml
index fb73c3c..d940351 100644
--- a/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-api/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-api/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-tracing</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-tracing-api</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml b/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml
index d94fd3b..6314212 100644
--- a/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-tracing</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-tracing-rdb</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-ecosystem/elasticjob-tracing/pom.xml b/elasticjob-ecosystem/elasticjob-tracing/pom.xml
index cb3660a..2029e2c 100644
--- a/elasticjob-ecosystem/elasticjob-tracing/pom.xml
+++ b/elasticjob-ecosystem/elasticjob-tracing/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-ecosystem</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-tracing</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-ecosystem/pom.xml b/elasticjob-ecosystem/pom.xml
index 8f9e1bf..0bbe53c 100644
--- a/elasticjob-ecosystem/pom.xml
+++ b/elasticjob-ecosystem/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-ecosystem</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-infra/elasticjob-infra-common/pom.xml b/elasticjob-infra/elasticjob-infra-common/pom.xml
index 6f7e0f5..64f389d 100644
--- a/elasticjob-infra/elasticjob-infra-common/pom.xml
+++ b/elasticjob-infra/elasticjob-infra-common/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-infra</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-infra-common</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-infra/elasticjob-registry-center/elasticjob-registry-center-api/pom.xml b/elasticjob-infra/elasticjob-registry-center/elasticjob-registry-center-api/pom.xml
index dd854f4..690a26d 100644
--- a/elasticjob-infra/elasticjob-registry-center/elasticjob-registry-center-api/pom.xml
+++ b/elasticjob-infra/elasticjob-registry-center/elasticjob-registry-center-api/pom.xml
@@ -16,13 +16,11 @@
   ~ 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/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>elasticjob-registry-center</artifactId>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>elasticjob-registry-center-api</artifactId>
diff --git a/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/elasticjob-registry-center-zookeeper-curator/pom.xml b/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/elasticjob-registry-center-zookeeper-curator/pom.xml
index 756868e..052f8f5 100644
--- a/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/elasticjob-registry-center-zookeeper-curator/pom.xml
+++ b/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/elasticjob-registry-center-zookeeper-curator/pom.xml
@@ -16,13 +16,11 @@
   ~ 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/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>elasticjob-regitry-center-provider</artifactId>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>elasticjob-registry-center-zookeeper-curator</artifactId>
diff --git a/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/pom.xml b/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/pom.xml
index 52149e4..d3cd15d 100644
--- a/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/pom.xml
+++ b/elasticjob-infra/elasticjob-registry-center/elasticjob-regitry-center-provider/pom.xml
@@ -16,13 +16,11 @@
   ~ 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/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>elasticjob-registry-center</artifactId>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>elasticjob-regitry-center-provider</artifactId>
diff --git a/elasticjob-infra/elasticjob-registry-center/pom.xml b/elasticjob-infra/elasticjob-registry-center/pom.xml
index 11272ee..984d977 100644
--- a/elasticjob-infra/elasticjob-registry-center/pom.xml
+++ b/elasticjob-infra/elasticjob-registry-center/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-infra</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-registry-center</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-infra/elasticjob-restful/pom.xml b/elasticjob-infra/elasticjob-restful/pom.xml
index f78e7d7..d8b00af 100644
--- a/elasticjob-infra/elasticjob-restful/pom.xml
+++ b/elasticjob-infra/elasticjob-restful/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>elasticjob-infra</artifactId>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/elasticjob-infra/pom.xml b/elasticjob-infra/pom.xml
index 0cc6395..9a683e7 100644
--- a/elasticjob-infra/pom.xml
+++ b/elasticjob-infra/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-infra</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-lite/elasticjob-lite-core/pom.xml b/elasticjob-lite/elasticjob-lite-core/pom.xml
index 32ff0c0..59528ad 100644
--- a/elasticjob-lite/elasticjob-lite-core/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-core/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite-core</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-lite/elasticjob-lite-lifecycle/pom.xml b/elasticjob-lite/elasticjob-lite-lifecycle/pom.xml
index d736066..bb2e684 100644
--- a/elasticjob-lite/elasticjob-lite-lifecycle/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-lifecycle/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite-lifecycle</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-boot-starter/pom.xml b/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-boot-starter/pom.xml
index f84984c..f21f950 100644
--- a/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-boot-starter/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-boot-starter/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite-spring</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite-spring-boot-starter</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-core/pom.xml b/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-core/pom.xml
index b48d41b..6f1e84c 100644
--- a/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-core/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-core/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite-spring</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite-spring-core</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-namespace/pom.xml b/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-namespace/pom.xml
index de79e7f..04e9f9d 100644
--- a/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-namespace/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-spring/elasticjob-lite-spring-namespace/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite-spring</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite-spring-namespace</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-lite/elasticjob-lite-spring/pom.xml b/elasticjob-lite/elasticjob-lite-spring/pom.xml
index f8ae028..980ed20 100644
--- a/elasticjob-lite/elasticjob-lite-spring/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-spring/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite-spring</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-lite/pom.xml b/elasticjob-lite/pom.xml
index 025f6a9..9257171 100644
--- a/elasticjob-lite/pom.xml
+++ b/elasticjob-lite/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <artifactId>elasticjob-lite</artifactId>
     <packaging>pom</packaging>
diff --git a/pom.xml b/pom.xml
index c597462..f5e315a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     </parent>
     <groupId>org.apache.shardingsphere.elasticjob</groupId>
     <artifactId>elasticjob</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.0.2</version>
     <packaging>pom</packaging>
     <name>${project.artifactId}</name>
     
@@ -790,7 +790,7 @@
         <connection>scm:git:https://github.com/apache/shardingsphere-elasticjob.git</connection>
         <developerConnection>scm:git:https://github.com/apache/shardingsphere-elasticjob.git</developerConnection>
         <url>https://github.com/apache/shardingsphere-elasticjob.git</url>
-        <tag>HEAD</tag>
+        <tag>3.0.2</tag>
     </scm>
     
     <mailingLists>