diff --git a/c_portal/src/main/java/cn/nopj/chaos/portal/PortalApplication.java b/c_portal/src/main/java/cn/nopj/chaos/portal/PortalApplication.java
deleted file mode 100644
index 9551801..0000000
--- a/c_portal/src/main/java/cn/nopj/chaos/portal/PortalApplication.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package cn.nopj.chaos.portal;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication(scanBasePackages = "cn.nopj.chaos")
-public class PortalApplication {
-    public static void main(String[] args) {
-        SpringApplication.run(PortalApplication.class,args);
-    }
-}
diff --git a/chaos_api_common/pom.xml b/chaos_api_common/pom.xml
new file mode 100644
index 0000000..14197f9
--- /dev/null
+++ b/chaos_api_common/pom.xml
@@ -0,0 +1,23 @@
+<?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">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.nopj</groupId>
+        <artifactId>chaos_api</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>chaos_api_common</artifactId>
+    <packaging>jar</packaging>
+    <name>chaos_api_common</name>
+    <description>Common utilities and configurations</description>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>
\ No newline at end of file
diff --git a/chaos_api_data/pom.xml b/chaos_api_data/pom.xml
new file mode 100644
index 0000000..8a5ca58
--- /dev/null
+++ b/chaos_api_data/pom.xml
@@ -0,0 +1,44 @@
+<?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">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.nopj</groupId>
+        <artifactId>chaos_api</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>chaos_api_data</artifactId>
+    <packaging>jar</packaging>
+    <name>chaos_api_data</name>
+    <description>Data access layer (Repository, Mapper)</description>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_domain</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/chaos_api_domain/pom.xml b/chaos_api_domain/pom.xml
new file mode 100644
index 0000000..75c99b4
--- /dev/null
+++ b/chaos_api_domain/pom.xml
@@ -0,0 +1,28 @@
+<?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">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.nopj</groupId>
+        <artifactId>chaos_api</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>chaos_api_domain</artifactId>
+    <packaging>jar</packaging>
+    <name>chaos_api_domain</name>
+    <description>Domain models and entities</description>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus</artifactId>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/c_portal/pom.xml b/chaos_api_interface/pom.xml
similarity index 62%
rename from c_portal/pom.xml
rename to chaos_api_interface/pom.xml
index fc7cb5f..2616d64 100644
--- a/c_portal/pom.xml
+++ b/chaos_api_interface/pom.xml
@@ -9,7 +9,23 @@
         <version>1.0-SNAPSHOT</version>
     </parent>
 
-    <artifactId>c_portal</artifactId>
+    <artifactId>chaos_api_interface</artifactId>
+    <packaging>jar</packaging>
+    <name>chaos_api_interface</name>
+    <description>Service interfaces and DTOs</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_domain</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
 
     <properties>
         <maven.compiler.source>21</maven.compiler.source>
@@ -17,17 +33,4 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
-    <dependencies>
-        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-web</artifactId>
-        </dependency>
-        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-autoconfigure -->
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-autoconfigure</artifactId>
-        </dependency>
-    </dependencies>
-
 </project>
\ No newline at end of file
diff --git a/chaos_api_service/pom.xml b/chaos_api_service/pom.xml
new file mode 100644
index 0000000..c10332a
--- /dev/null
+++ b/chaos_api_service/pom.xml
@@ -0,0 +1,41 @@
+<?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">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.nopj</groupId>
+        <artifactId>chaos_api</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>chaos_api_service</artifactId>
+    <packaging>jar</packaging>
+    <name>chaos_api_service</name>
+    <description>Core business logic and service implementations</description>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_interface</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_data</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/chaos_api_web/pom.xml b/chaos_api_web/pom.xml
new file mode 100644
index 0000000..8b342be
--- /dev/null
+++ b/chaos_api_web/pom.xml
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.nopj</groupId>
+        <artifactId>chaos_api</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>chaos_api_web</artifactId>
+    <packaging>jar</packaging>
+    <name>chaos_api_web</name>
+    <description>Web layer (Controllers, main application)</description>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_interface</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_service</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-log4j2</artifactId>
+        </dependency>
+
+
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/chaos_api_web/src/main/java/cn/nopj/chaos_api/ChaosApiWebApplication.java b/chaos_api_web/src/main/java/cn/nopj/chaos_api/ChaosApiWebApplication.java
new file mode 100644
index 0000000..d600772
--- /dev/null
+++ b/chaos_api_web/src/main/java/cn/nopj/chaos_api/ChaosApiWebApplication.java
@@ -0,0 +1,11 @@
+package cn.nopj.chaos_api;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication(scanBasePackages = "cn.nopj.chaos_api")
+public class ChaosApiWebApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(ChaosApiWebApplication.class, args);
+    }
+}
diff --git a/chaos_api_websocket/pom.xml b/chaos_api_websocket/pom.xml
new file mode 100644
index 0000000..3142656
--- /dev/null
+++ b/chaos_api_websocket/pom.xml
@@ -0,0 +1,46 @@
+<?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">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cn.nopj</groupId>
+        <artifactId>chaos_api</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>chaos_api_websocket</artifactId>
+    <packaging>jar</packaging>
+    <name>chaos_api_websocket</name>
+    <description>WebSocket services</description>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_interface</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_service</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nopj</groupId>
+            <artifactId>chaos_api_common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-websocket</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 5615fb6..138bce8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,14 @@
     <version>1.0-SNAPSHOT</version>
     <packaging>pom</packaging>
     <modules>
-        <module>c_portal</module>
+
+        <module>chaos_api_common</module>
+        <module>chaos_api_domain</module>
+        <module>chaos_api_interface</module>
+        <module>chaos_api_service</module>
+        <module>chaos_api_data</module>
+        <module>chaos_api_web</module>
+        <module>chaos_api_websocket</module>
     </modules>
 
     <properties>
@@ -26,12 +33,60 @@
                 <artifactId>spring-boot-starter-web</artifactId>
                 <version>3.5.3</version>
             </dependency>
+            <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-security -->
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-security</artifactId>
+                <version>3.5.3</version>
+            </dependency>
             <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-autoconfigure -->
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-autoconfigure</artifactId>
                 <version>3.5.3</version>
             </dependency>
+            <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-data-redis -->
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-data-redis</artifactId>
+                <version>3.5.3</version>
+            </dependency>
+<!--            &lt;!&ndash; https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-logging &ndash;&gt;-->
+<!--            <dependency>-->
+<!--                <groupId>org.springframework.boot</groupId>-->
+<!--                <artifactId>spring-boot-starter-logging</artifactId>-->
+<!--                <version>3.5.3</version>-->
+<!--            </dependency>-->
+            <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-log4j2 -->
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-log4j2</artifactId>
+                <version>3.5.3</version>
+            </dependency>
+            <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-websocket -->
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-websocket</artifactId>
+                <version>3.5.3</version>
+            </dependency>
+            <!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus-spring-boot3-starter -->
+            <dependency>
+                <groupId>com.baomidou</groupId>
+                <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
+                <version>3.5.12</version>
+            </dependency>
+            <!-- https://mvnrepository.com/artifact/com.mysql/mysql-connector-j -->
+            <dependency>
+                <groupId>com.mysql</groupId>
+                <artifactId>mysql-connector-j</artifactId>
+                <version>9.3.0</version>
+            </dependency>
+            <!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus -->
+            <dependency>
+                <groupId>com.baomidou</groupId>
+                <artifactId>mybatis-plus</artifactId>
+                <version>3.5.12</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 </project>
\ No newline at end of file