diff --git a/demo-helloworld/README.md b/demo-base/demo-base-helloworld/README.md
similarity index 100%
rename from demo-helloworld/README.md
rename to demo-base/demo-base-helloworld/README.md
diff --git a/demo-helloworld/pom.xml b/demo-base/demo-base-helloworld/pom.xml
similarity index 87%
rename from demo-helloworld/pom.xml
rename to demo-base/demo-base-helloworld/pom.xml
index f22374d..9ac4ea3 100644
--- a/demo-helloworld/pom.xml
+++ b/demo-base/demo-base-helloworld/pom.xml
@@ -3,17 +3,17 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>com.xkcoding</groupId>
-    <artifactId>spring-boot-demo</artifactId>
+    <artifactId>demo-base</artifactId>
     <version>1.0.0-SNAPSHOT</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
 
-  <artifactId>demo-helloworld</artifactId>
+  <artifactId>demo-base-helloworld</artifactId>
   <version>1.0.0-SNAPSHOT</version>
   <packaging>jar</packaging>
 
-  <name>demo-helloworld</name>
+  <name>demo-base-helloworld</name>
   <description>Demo project for Spring Boot</description>
 
   <properties>
@@ -39,7 +39,7 @@
   </dependencies>
 
   <build>
-    <finalName>demo-helloworld</finalName>
+    <finalName>demo-base-helloworld</finalName>
     <plugins>
       <plugin>
         <groupId>org.springframework.boot</groupId>
diff --git a/demo-helloworld/src/main/java/com/xkcoding/helloworld/HelloworldApplication.java b/demo-base/demo-base-helloworld/src/main/java/com/xkcoding/helloworld/HelloworldApplication.java
similarity index 100%
rename from demo-helloworld/src/main/java/com/xkcoding/helloworld/HelloworldApplication.java
rename to demo-base/demo-base-helloworld/src/main/java/com/xkcoding/helloworld/HelloworldApplication.java
diff --git a/demo-helloworld/src/main/resources/application.yml b/demo-base/demo-base-helloworld/src/main/resources/application.yml
similarity index 100%
rename from demo-helloworld/src/main/resources/application.yml
rename to demo-base/demo-base-helloworld/src/main/resources/application.yml
diff --git a/demo-helloworld/src/test/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplicationTests.java b/demo-base/demo-base-helloworld/src/test/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplicationTests.java
similarity index 100%
rename from demo-helloworld/src/test/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplicationTests.java
rename to demo-base/demo-base-helloworld/src/test/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplicationTests.java
diff --git a/demo-base/pom.xml b/demo-base/pom.xml
index f9f2dcb..8bd9a2a 100644
--- a/demo-base/pom.xml
+++ b/demo-base/pom.xml
@@ -12,9 +12,14 @@
 
   <artifactId>demo-base</artifactId>
   <version>1.0.0-SNAPSHOT</version>
+  <packaging>pom</packaging>
 
   <properties>
     <java.version>17</java.version>
   </properties>
 
+  <modules>
+    <module>demo-base-helloworld</module>
+  </modules>
+
 </project>
diff --git a/pom.xml b/pom.xml
index c1bfaff..5ac5d36 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,6 @@
   <modules>
     <module>common-tools</module>
     <module>demo-base</module>
-    <module>demo-helloworld</module>
     <module>demo-properties</module>
     <module>demo-actuator</module>
     <module>demo-admin</module>