diff --git a/demo-distributed-lock/demo-distributed-lock-api/pom.xml b/demo-distributed-lock/demo-distributed-lock-api/pom.xml
new file mode 100644
index 0000000..7ff9bb3
--- /dev/null
+++ b/demo-distributed-lock/demo-distributed-lock-api/pom.xml
@@ -0,0 +1,19 @@
+<?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">
+  <parent>
+    <groupId>com.xkcoding</groupId>
+    <artifactId>demo-distributed-lock</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>demo-distributed-lock-api</artifactId>
+
+  <properties>
+    <java.version>17</java.version>
+  </properties>
+
+</project>
diff --git a/demo-distributed-lock/demo-distributed-lock-mysql/pom.xml b/demo-distributed-lock/demo-distributed-lock-mysql/pom.xml
new file mode 100644
index 0000000..e81e88e
--- /dev/null
+++ b/demo-distributed-lock/demo-distributed-lock-mysql/pom.xml
@@ -0,0 +1,19 @@
+<?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">
+  <parent>
+    <groupId>com.xkcoding</groupId>
+    <artifactId>demo-distributed-lock</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>demo-distributed-lock-mysql</artifactId>
+
+  <properties>
+    <java.version>17</java.version>
+  </properties>
+
+</project>
diff --git a/demo-distributed-lock/demo-distributed-lock-redis/pom.xml b/demo-distributed-lock/demo-distributed-lock-redis/pom.xml
new file mode 100644
index 0000000..35f7e5c
--- /dev/null
+++ b/demo-distributed-lock/demo-distributed-lock-redis/pom.xml
@@ -0,0 +1,19 @@
+<?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">
+  <parent>
+    <groupId>com.xkcoding</groupId>
+    <artifactId>demo-distributed-lock</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>demo-distributed-lock-redis</artifactId>
+
+  <properties>
+    <java.version>17</java.version>
+  </properties>
+
+</project>
diff --git a/demo-distributed-lock/demo-distributed-lock-redisson/pom.xml b/demo-distributed-lock/demo-distributed-lock-redisson/pom.xml
new file mode 100644
index 0000000..1a9730a
--- /dev/null
+++ b/demo-distributed-lock/demo-distributed-lock-redisson/pom.xml
@@ -0,0 +1,19 @@
+<?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">
+  <parent>
+    <groupId>com.xkcoding</groupId>
+    <artifactId>demo-distributed-lock</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>demo-distributed-lock-redisson</artifactId>
+
+  <properties>
+    <java.version>17</java.version>
+  </properties>
+
+</project>
diff --git a/demo-distributed-lock/demo-distributed-lock-zookeeper/pom.xml b/demo-distributed-lock/demo-distributed-lock-zookeeper/pom.xml
new file mode 100644
index 0000000..dceb0a0
--- /dev/null
+++ b/demo-distributed-lock/demo-distributed-lock-zookeeper/pom.xml
@@ -0,0 +1,19 @@
+<?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">
+  <parent>
+    <groupId>com.xkcoding</groupId>
+    <artifactId>demo-distributed-lock</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>demo-distributed-lock-zookeeper</artifactId>
+
+  <properties>
+    <java.version>17</java.version>
+  </properties>
+
+</project>
diff --git a/demo-distributed-lock/pom.xml b/demo-distributed-lock/pom.xml
index 224e52a..ca50e17 100644
--- a/demo-distributed-lock/pom.xml
+++ b/demo-distributed-lock/pom.xml
@@ -18,4 +18,12 @@
     <java.version>17</java.version>
   </properties>
 
+  <modules>
+    <module>demo-distributed-lock-api</module>
+    <module>demo-distributed-lock-redis</module>
+    <module>demo-distributed-lock-redisson</module>
+    <module>demo-distributed-lock-zookeeper</module>
+    <module>demo-distributed-lock-mysql</module>
+  </modules>
+
 </project>