diff --git a/pom.xml b/pom.xml
index e7253253..c0e64699 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,17 +1,16 @@
-<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/maven-v4_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/maven-v4_0_0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
     <version>3.3.4</version>
-    <relativePath/> <!-- lookup parent from repository -->
+    <relativePath /> <!-- lookup parent from repository -->
   </parent>
   <groupId>com.ganshane.xcoin.core</groupId>
   <artifactId>xcoin-core-project</artifactId>
   <packaging>pom</packaging>
-  <version>0.1-SNAPSHOT</version>
+  <version>0.1</version>
   <name>xcoin</name>
   <description>xcoin core project</description>
   <modules>
@@ -332,7 +331,7 @@
     <url>https://github.com/wechaty/scala-wechaty</url>
     <connection>scm:git:ssh://github.com/wechaty/scala-wechaty.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/wechaty/scala-wechaty.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>xcoin-core-project-0.1</tag>
   </scm>
   <properties>
     <encoding>UTF-8</encoding>
diff --git a/xcoin-blockchain/pom.xml b/xcoin-blockchain/pom.xml
index 7a9413c5..80202b07 100644
--- a/xcoin-blockchain/pom.xml
+++ b/xcoin-blockchain/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/maven-v4_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/maven-v4_0_0.xsd">
 
   <parent>
     <groupId>com.ganshane.xcoin.core</groupId>
     <artifactId>xcoin-core-project</artifactId>
-    <version>0.1-SNAPSHOT</version>
+    <version>0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>xcoin-blockchain</artifactId>
diff --git a/xcoin-core/pom.xml b/xcoin-core/pom.xml
index a1b355f7..4005e977 100644
--- a/xcoin-core/pom.xml
+++ b/xcoin-core/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/maven-v4_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/maven-v4_0_0.xsd">
 
   <parent>
     <groupId>com.ganshane.xcoin.core</groupId>
     <artifactId>xcoin-core-project</artifactId>
-    <version>0.1-SNAPSHOT</version>
+    <version>0.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>xcoin-core</artifactId>