diff --git a/tests/examples/JDBC/JDBCDemo/pom.xml b/tests/examples/JDBC/JDBCDemo/pom.xml
index 66e866a2d3..ca8cd24030 100644
--- a/tests/examples/JDBC/JDBCDemo/pom.xml
+++ b/tests/examples/JDBC/JDBCDemo/pom.xml
@@ -9,11 +9,15 @@
     <version>SNAPSHOT</version>
     <packaging>jar</packaging>
 
+    <properties>
+        <project.assembly.dir>src/main/resources/assembly</project.assembly.dir>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>com.taosdata.jdbc</groupId>
             <artifactId>taos-jdbcdriver</artifactId>
-            <version>2.0.22</version>
+            <version>2.0.30</version>
         </dependency>
     </dependencies>
 
@@ -22,20 +26,60 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>3.1.0</version>
-                <configuration>
-                    <archive>
-                        <manifest>
-                            <mainClass>com.taosdata.example.JDBCDemo</mainClass>
-                        </manifest>
-                    </archive>
-                    <descriptorRefs>
-                        <descriptorRef>jar-with-dependencies</descriptorRef>
-                    </descriptorRefs>
-                </configuration>
+                <version>3.3.0</version>
                 <executions>
+                    <!-- jdbcDemo -->
                     <execution>
-                        <id>make-assembly</id>
+                        <id>JdbcDemo</id>
+                        <configuration>
+                            <finalName>JdbcDemo</finalName>
+                            <archive>
+                                <manifest>
+                                    <mainClass>com.taosdata.example.JdbcDemo</mainClass>
+                                </manifest>
+                            </archive>
+                            <descriptorRefs>
+                                <descriptorRef>jar-with-dependencies</descriptorRef>
+                            </descriptorRefs>
+                        </configuration>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+
+                    <execution>
+                        <id>JdbcRestfulDemo</id>
+                        <configuration>
+                            <finalName>JdbcRestfulDemo</finalName>
+                            <archive>
+                                <manifest>
+                                    <mainClass>com.taosdata.example.JdbcRestfulDemo</mainClass>
+                                </manifest>
+                            </archive>
+                            <descriptorRefs>
+                                <descriptorRef>jar-with-dependencies</descriptorRef>
+                            </descriptorRefs>
+                        </configuration>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+
+                    <execution>
+                        <id>SubscribeDemo</id>
+                        <configuration>
+                            <finalName>SubscribeDemo</finalName>
+                            <archive>
+                                <manifest>
+                                    <mainClass>com.taosdata.example.SubscribeDemo</mainClass>
+                                </manifest>
+                            </archive>
+                            <descriptorRefs>
+                                <descriptorRef>jar-with-dependencies</descriptorRef>
+                            </descriptorRefs>
+                        </configuration>
                         <phase>package</phase>
                         <goals>
                             <goal>single</goal>
diff --git a/tests/examples/JDBC/JDBCDemo/readme.md b/tests/examples/JDBC/JDBCDemo/readme.md
index 9484442085..da638a0bcc 100644
--- a/tests/examples/JDBC/JDBCDemo/readme.md
+++ b/tests/examples/JDBC/JDBCDemo/readme.md
@@ -11,12 +11,12 @@ Download the tdengine package on our website: ``https://www.taosdata.com/cn/all-
 ## Run jdbcDemo using mvn plugin
 run command:
 ```
-mvn clean compile exec:java -Dexec.mainClass="com.taosdata.example.JDBCDemo"
+mvn clean compile exec:java -Dexec.mainClass="com.taosdata.example.JdbcDemo"
 ```
 
 and run with your customed args
 ```
-mvn clean compile exec:java -Dexec.mainClass="com.taosdata.example.JDBCDemo" -Dexec.args="-host [HOSTNAME]"
+mvn clean compile exec:java -Dexec.mainClass="com.taosdata.example.JdbcDemo" -Dexec.args="-host [HOSTNAME]"
 ```
 
 ## Compile the Demo Code and Run It
diff --git a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCDemo.java b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcDemo.java
similarity index 98%
rename from tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCDemo.java
rename to tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcDemo.java
index da865b3ffd..f256668dc6 100644
--- a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCDemo.java
+++ b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcDemo.java
@@ -3,7 +3,7 @@ package com.taosdata.example;
 import java.sql.*;
 import java.util.Properties;
 
-public class JDBCDemo {
+public class JdbcDemo {
     private static String host;
     private static final String dbName = "test";
     private static final String tbName = "weather";
@@ -17,7 +17,7 @@ public class JDBCDemo {
         if (host == null) {
             printHelp();
         }
-        JDBCDemo demo = new JDBCDemo();
+        JdbcDemo demo = new JdbcDemo();
         demo.init();
         demo.createDatabase();
         demo.useDatabase();
diff --git a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcRestfulDemo.java b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcRestfulDemo.java
index eedb0ba166..5bf980f6d8 100644
--- a/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcRestfulDemo.java
+++ b/tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcRestfulDemo.java
@@ -4,7 +4,7 @@ import java.sql.*;
 import java.util.Properties;
 
 public class JdbcRestfulDemo {
-    private static final String host = "master";
+    private static final String host = "127.0.0.1";
 
     public static void main(String[] args) {
         try {