[maven-release-plugin] prepare release 3.0.0-alpha
diff --git a/elasticjob-api/pom.xml b/elasticjob-api/pom.xml
index 22bb5fe..168f70a 100644
--- a/elasticjob-api/pom.xml
+++ b/elasticjob-api/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 188a470..7284591 100755
--- a/elasticjob-cloud/elasticjob-cloud-common/pom.xml
+++ b/elasticjob-cloud/elasticjob-cloud-common/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-cloud</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 3266288..783ff8b 100755
--- a/elasticjob-cloud/elasticjob-cloud-executor/pom.xml
+++ b/elasticjob-cloud/elasticjob-cloud-executor/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-cloud</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 0224c9b..9380d10 100755
--- a/elasticjob-cloud/elasticjob-cloud-scheduler/pom.xml
+++ b/elasticjob-cloud/elasticjob-cloud-scheduler/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-cloud</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-cloud-scheduler</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-cloud/pom.xml b/elasticjob-cloud/pom.xml
index 1df2026..58e76d7 100644
--- a/elasticjob-cloud/pom.xml
+++ b/elasticjob-cloud/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 cfae58d..890a41b 100644
--- a/elasticjob-distribution/elasticjob-cloud-executor-distribution/pom.xml
+++ b/elasticjob-distribution/elasticjob-cloud-executor-distribution/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-distribution</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 5e7dcf9..c86ff3e 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>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 87812a4..2f07e22 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>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 ebd10ee..701f2fb 100644
--- a/elasticjob-distribution/elasticjob-src-distribution/pom.xml
+++ b/elasticjob-distribution/elasticjob-src-distribution/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-distribution</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-src-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-distribution/pom.xml b/elasticjob-distribution/pom.xml
index df1677a..e41f910 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>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-distribution</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-executor/elasticjob-executor-kernel/pom.xml b/elasticjob-executor/elasticjob-executor-kernel/pom.xml
index b99151f..e53ef78 100644
--- a/elasticjob-executor/elasticjob-executor-kernel/pom.xml
+++ b/elasticjob-executor/elasticjob-executor-kernel/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-executor-kernel</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml b/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml
index 9718e41..b580bb4 100644
--- a/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml
+++ b/elasticjob-executor/elasticjob-executor-type/elasticjob-dataflow-executor/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor-type</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-dataflow-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml b/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml
index b3c0af7..e68c42c 100644
--- a/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml
+++ b/elasticjob-executor/elasticjob-executor-type/elasticjob-script-executor/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor-type</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-script-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml b/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml
index d0fed25..03e59f1 100644
--- a/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml
+++ b/elasticjob-executor/elasticjob-executor-type/elasticjob-simple-executor/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor-type</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-simple-executor</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-executor/elasticjob-executor-type/pom.xml b/elasticjob-executor/elasticjob-executor-type/pom.xml
index 58b981a..314defc 100644
--- a/elasticjob-executor/elasticjob-executor-type/pom.xml
+++ b/elasticjob-executor/elasticjob-executor-type/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-executor</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-executor-type</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-executor/pom.xml b/elasticjob-executor/pom.xml
index ccf1eb0..d8517e3 100644
--- a/elasticjob-executor/pom.xml
+++ b/elasticjob-executor/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-executor</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-infra/elasticjob-infra-common/pom.xml b/elasticjob-infra/elasticjob-infra-common/pom.xml
index 13bcb88..1c896ae 100644
--- a/elasticjob-infra/elasticjob-infra-common/pom.xml
+++ b/elasticjob-infra/elasticjob-infra-common/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-infra</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-infra-common</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-infra/elasticjob-registry-center/pom.xml b/elasticjob-infra/elasticjob-registry-center/pom.xml
index 8a922d7..d69d325 100644
--- a/elasticjob-infra/elasticjob-registry-center/pom.xml
+++ b/elasticjob-infra/elasticjob-registry-center/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-infra</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-registry-center</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-api/pom.xml b/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-api/pom.xml
index 72165e0..24c146f 100644
--- a/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-api/pom.xml
+++ b/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-api/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-tracing</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-tracing-api</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml b/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml
index e247fa3..e32d701 100644
--- a/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml
+++ b/elasticjob-infra/elasticjob-tracing/elasticjob-tracing-rdb/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-tracing</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-tracing-rdb</artifactId>
     <name>${project.artifactId}</name>
diff --git a/elasticjob-infra/elasticjob-tracing/pom.xml b/elasticjob-infra/elasticjob-tracing/pom.xml
index 9a0272d..e9399a6 100644
--- a/elasticjob-infra/elasticjob-tracing/pom.xml
+++ b/elasticjob-infra/elasticjob-tracing/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-infra</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-tracing</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-infra/pom.xml b/elasticjob-infra/pom.xml
index 6c7019e..e295fe9 100644
--- a/elasticjob-infra/pom.xml
+++ b/elasticjob-infra/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 80c3d7d..0f8485a 100644
--- a/elasticjob-lite/elasticjob-lite-core/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-core/pom.xml
@@ -15,14 +15,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 81f292f..fd1dedf 100644
--- a/elasticjob-lite/elasticjob-lite-lifecycle/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-lifecycle/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 0276e6c..84c3c93 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
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite-spring</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-lite-spring-boot-starter</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 6d6931f..de4ba8c 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
@@ -15,14 +15,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite-spring</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</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 464cebe..8e6a9df 100644
--- a/elasticjob-lite/elasticjob-lite-spring/pom.xml
+++ b/elasticjob-lite/elasticjob-lite-spring/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob-lite</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-lite-spring</artifactId>
     <packaging>pom</packaging>
diff --git a/elasticjob-lite/pom.xml b/elasticjob-lite/pom.xml
index 6eca1df..c13f5d7 100644
--- a/elasticjob-lite/pom.xml
+++ b/elasticjob-lite/pom.xml
@@ -16,14 +16,12 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.shardingsphere.elasticjob</groupId>
         <artifactId>elasticjob</artifactId>
-        <version>3.0.0-alpha-SNAPSHOT</version>
+        <version>3.0.0-alpha</version>
     </parent>
     <artifactId>elasticjob-lite</artifactId>
     <packaging>pom</packaging>
diff --git a/pom.xml b/pom.xml
index 555e9e7..ca6002d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,9 +16,7 @@
   ~ 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">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache</groupId>
@@ -27,7 +25,7 @@
     </parent>
     <groupId>org.apache.shardingsphere.elasticjob</groupId>
     <artifactId>elasticjob</artifactId>
-    <version>3.0.0-alpha-SNAPSHOT</version>
+    <version>3.0.0-alpha</version>
     <packaging>pom</packaging>
     <name>${project.artifactId}</name>
     
@@ -349,7 +347,7 @@
                                         </goals>
                                     </pluginExecutionFilter>
                                     <action>
-                                        <ignore/>
+                                        <ignore />
                                     </action>
                                 </pluginExecution>
                                 <pluginExecution>
@@ -362,7 +360,7 @@
                                         </goals>
                                     </pluginExecutionFilter>
                                     <action>
-                                        <ignore/>
+                                        <ignore />
                                     </action>
                                 </pluginExecution>
                             </pluginExecutions>
@@ -676,7 +674,7 @@
         <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>3.0.0-alpha</tag>
     </scm>
     
     <mailingLists>