diff --git a/docker-build-config/pom.xml b/docker-build-config/pom.xml
index d45a32a..086ceee 100644
--- a/docker-build-config/pom.xml
+++ b/docker-build-config/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/coverage-aggregate/pom.xml b/integration-tests/coverage-aggregate/pom.xml
index facbb44..2180601 100644
--- a/integration-tests/coverage-aggregate/pom.xml
+++ b/integration-tests/coverage-aggregate/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>
     <groupId>io.servicecomb.saga.tests</groupId>
     <artifactId>integration-tests</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index d7b75c3..984f021 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 238f95c..81ca463 100755
--- a/pom.xml
+++ b/pom.xml
@@ -15,15 +15,13 @@
   ~ 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>
 
   <groupId>io.servicecomb.saga</groupId>
   <artifactId>saga</artifactId>
   <packaging>pom</packaging>
-  <version>0.0.1-SNAPSHOT</version>
+  <version>0.0.1</version>
 
   <modules>
     <module>saga-core</module>
@@ -51,7 +49,7 @@
     <connection>scm:git:https://github.com/ServiceComb/saga.git</connection>
     <developerConnection>scm:git:https://github.com/ServiceComb/saga.git</developerConnection>
     <url>https://github.com/servicecomb/saga</url>
-    <tag>${saga.version}</tag>
+    <tag>saga-0.0.1</tag>
   </scm>
 
   <distributionManagement>
@@ -74,32 +72,32 @@
       <dependency>
         <groupId>io.servicecomb.saga</groupId>
         <artifactId>saga-core</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.1</version>
       </dependency>
       <dependency>
         <groupId>io.servicecomb.saga</groupId>
         <artifactId>saga-format</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.1</version>
       </dependency>
       <dependency>
         <groupId>io.servicecomb.saga</groupId>
         <artifactId>saga-spring</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.1</version>
       </dependency>
       <dependency>
         <groupId>io.servicecomb.saga.transports</groupId>
         <artifactId>transport-httpclient</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.1</version>
       </dependency>
       <dependency>
         <groupId>io.servicecomb.saga.transports</groupId>
         <artifactId>transport-httpclient-spring</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.1</version>
       </dependency>
       <dependency>
         <groupId>io.servicecomb.saga.discovery</groupId>
         <artifactId>saga-discovery-servicecenter</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.1</version>
       </dependency>
       <dependency>
         <groupId>commons-io</groupId>
diff --git a/saga-core/pom.xml b/saga-core/pom.xml
index 1d74424..ccbd14f 100644
--- a/saga-core/pom.xml
+++ b/saga-core/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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/car-rental-service/pom.xml b/saga-demo/car-rental-service/pom.xml
index 150ebb8..2385e53 100644
--- a/saga-demo/car-rental-service/pom.xml
+++ b/saga-demo/car-rental-service/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga-demo</artifactId>
     <groupId>io.servicecomb.saga.demo</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/demo-tests/pom.xml b/saga-demo/demo-tests/pom.xml
index 54b2814..e6bd0a9 100644
--- a/saga-demo/demo-tests/pom.xml
+++ b/saga-demo/demo-tests/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga-demo</artifactId>
     <groupId>io.servicecomb.saga.demo</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -104,7 +102,7 @@
               <alias>car</alias>
               <run>
                 <env>
-                  <JAVA_OPTS/>
+                  <JAVA_OPTS />
                 </env>
                 <wait>
                   <log>Tomcat started on port</log>
@@ -128,7 +126,7 @@
               <alias>flight</alias>
               <run>
                 <env>
-                  <JAVA_OPTS/>
+                  <JAVA_OPTS />
                 </env>
                 <wait>
                   <log>Tomcat started on port</log>
@@ -152,7 +150,7 @@
               <alias>hotel</alias>
               <run>
                 <env>
-                  <JAVA_OPTS/>
+                  <JAVA_OPTS />
                 </env>
                 <wait>
                   <log>Tomcat started on port</log>
@@ -176,7 +174,7 @@
               <alias>payment</alias>
               <run>
                 <env>
-                  <JAVA_OPTS/>
+                  <JAVA_OPTS />
                 </env>
                 <wait>
                   <log>Tomcat started on port</log>
diff --git a/saga-demo/flight-booking-service/pom.xml b/saga-demo/flight-booking-service/pom.xml
index 626f073..dfd6501 100644
--- a/saga-demo/flight-booking-service/pom.xml
+++ b/saga-demo/flight-booking-service/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga-demo</artifactId>
     <groupId>io.servicecomb.saga.demo</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/hotel-reservation-service/pom.xml b/saga-demo/hotel-reservation-service/pom.xml
index 6f891d8..268d08f 100644
--- a/saga-demo/hotel-reservation-service/pom.xml
+++ b/saga-demo/hotel-reservation-service/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga-demo</artifactId>
     <groupId>io.servicecomb.saga.demo</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/payment-service/pom.xml b/saga-demo/payment-service/pom.xml
index d686670..6254c9c 100644
--- a/saga-demo/payment-service/pom.xml
+++ b/saga-demo/payment-service/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga-demo</artifactId>
     <groupId>io.servicecomb.saga.demo</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-demo/pom.xml b/saga-demo/pom.xml
index 329d89d..14ab9f9 100644
--- a/saga-demo/pom.xml
+++ b/saga-demo/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-discovery/pom.xml b/saga-discovery/pom.xml
index f691a0d..c5fbce5 100644
--- a/saga-discovery/pom.xml
+++ b/saga-discovery/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-discovery/saga-discovery-servicecenter/pom.xml b/saga-discovery/saga-discovery-servicecenter/pom.xml
index 51b4962..3805f81 100644
--- a/saga-discovery/saga-discovery-servicecenter/pom.xml
+++ b/saga-discovery/saga-discovery-servicecenter/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga-discovery</artifactId>
     <groupId>io.servicecomb.saga.discovery</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-format/pom.xml b/saga-format/pom.xml
index 5626270..a9db871 100644
--- a/saga-format/pom.xml
+++ b/saga-format/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/saga-spring/pom.xml b/saga-spring/pom.xml
index f177598..83ede26 100755
--- a/saga-spring/pom.xml
+++ b/saga-spring/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/transports/pom.xml b/transports/pom.xml
index 0954ecd..cfbc118 100644
--- a/transports/pom.xml
+++ b/transports/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>saga</artifactId>
     <groupId>io.servicecomb.saga</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/transports/transport-httpclient-spring/pom.xml b/transports/transport-httpclient-spring/pom.xml
index 4072c31..e646b13 100644
--- a/transports/transport-httpclient-spring/pom.xml
+++ b/transports/transport-httpclient-spring/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>transports</artifactId>
     <groupId>io.servicecomb.saga.transports</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/transports/transport-httpclient/pom.xml b/transports/transport-httpclient/pom.xml
index c1ad2dd..f06db73 100644
--- a/transports/transport-httpclient/pom.xml
+++ b/transports/transport-httpclient/pom.xml
@@ -15,13 +15,11 @@
   ~ 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>transports</artifactId>
     <groupId>io.servicecomb.saga.transports</groupId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>