diff --git a/root-cloud-event/pom.xml b/root-cloud-event/pom.xml
new file mode 100644
index 0000000..4d82721
--- /dev/null
+++ b/root-cloud-event/pom.xml
@@ -0,0 +1,70 @@
+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.qniao</groupId>
+    <artifactId>root-cloud-event</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>root-cloud-event</name>
+    <description>root-cloud-event</description>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <flink.version>1.15.0</flink.version>
+        <target.java.version>1.8</target.java.version>
+        <maven.compiler.source>${target.java.version}</maven.compiler.source>
+        <maven.compiler.target>${target.java.version}</maven.compiler.target>
+        <log4j.version>2.17.2</log4j.version>
+        <lombok.version>1.18.24</lombok.version>
+    </properties>
+
+    <dependencies>
+        <!-- Apache Flink dependencies -->
+        <!-- These dependencies are provided, because they should not be packaged into the JAR file. -->
+        <dependency>
+            <groupId>org.apache.flink</groupId>
+            <artifactId>flink-streaming-java</artifactId>
+            <version>${flink.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.flink</groupId>
+            <artifactId>flink-clients</artifactId>
+            <version>${flink.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.flink</groupId>
+            <artifactId>flink-connector-kafka</artifactId>
+            <version>${flink.version}</version>
+        </dependency>
+
+        <!-- Add logging framework, to produce console output when running in the IDE. -->
+        <!-- These dependencies are excluded from the application JAR by default. -->
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>${log4j.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/root-cloud-statistics/pom.xml b/root-cloud-statistics/pom.xml
new file mode 100644
index 0000000..dffdb35
--- /dev/null
+++ b/root-cloud-statistics/pom.xml
@@ -0,0 +1,152 @@
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.qniao</groupId>
+    <artifactId>root-cloud-statistics</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>IOT Statistics</name>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <flink.version>1.15.0</flink.version>
+        <target.java.version>1.8</target.java.version>
+        <maven.compiler.source>${target.java.version}</maven.compiler.source>
+        <maven.compiler.target>${target.java.version}</maven.compiler.target>
+        <log4j.version>2.17.2</log4j.version>
+    </properties>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>com.qniao</groupId>
+            <artifactId>root-cloud-event</artifactId>
+            <version>0.0.1-SNAPSHOT</version>
+        </dependency>
+
+        <!-- Apache Flink dependencies -->
+        <!-- These dependencies are provided, because they should not be packaged into the JAR file. -->
+        <dependency>
+            <groupId>org.apache.flink</groupId>
+            <artifactId>flink-streaming-java</artifactId>
+            <version>${flink.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.flink</groupId>
+            <artifactId>flink-clients</artifactId>
+            <version>${flink.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.flink</groupId>
+            <artifactId>flink-connector-kafka</artifactId>
+            <version>${flink.version}</version>
+        </dependency>
+
+        <!-- Add logging framework, to produce console output when running in the IDE. -->
+        <!-- These dependencies are excluded from the application JAR by default. -->
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>${log4j.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+
+            <!-- Java Compiler -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>${target.java.version}</source>
+                    <target>${target.java.version}</target>
+                </configuration>
+            </plugin>
+
+            <!-- We use the maven-shade plugin to create a fat jar that contains all necessary dependencies. -->
+            <!-- Change the value of <mainClass>...</mainClass> if your program entry point changes. -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.1.1</version>
+                <executions>
+                    <!-- Run shade goal on package phase -->
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <artifactSet>
+                                <excludes>
+                                    <exclude>org.apache.flink:flink-shaded-force-shading</exclude>
+                                    <exclude>com.google.code.findbugs:jsr305</exclude>
+                                    <exclude>org.slf4j:*</exclude>
+                                    <exclude>org.apache.logging.log4j:*</exclude>
+                                </excludes>
+                            </artifactSet>
+                            <filters>
+                                <filter>
+                                    <!-- Do not copy the signatures in the META-INF folder.
+                                    Otherwise, this might cause SecurityExceptions when using the JAR. -->
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                            <transformers>
+                                <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                                <transformer
+                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>com.qniao.iot.rc.RootCloudIotDataFormatterJob</mainClass>
+                                </transformer>
+                            </transformers>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>