diff --git a/tests/examples/JDBC/JDBCDemo/pom.xml b/tests/examples/JDBC/JDBCDemo/pom.xml
index d075fc8f2ad480535075b79efc15c55d9bb799a5..6f0c58a82171700c26282786290f1997f0204aff 100644
--- a/tests/examples/JDBC/JDBCDemo/pom.xml
+++ b/tests/examples/JDBC/JDBCDemo/pom.xml
@@ -52,7 +52,7 @@
         <dependency>
             <groupId>com.taosdata.jdbc</groupId>
             <artifactId>taos-jdbcdriver</artifactId>
-            <version>2.0.15</version>
+            <version>2.0.18</version>
         </dependency>
     </dependencies>
 
diff --git a/tests/examples/JDBC/connectionPools/README-cn.md b/tests/examples/JDBC/connectionPools/README-cn.md
index 761596dfc55a3e2c9f449ed34fd72ac96c277512..139a94e36d5069653cf2e4346d32aaffb5647a2f 100644
--- a/tests/examples/JDBC/connectionPools/README-cn.md
+++ b/tests/examples/JDBC/connectionPools/README-cn.md
@@ -12,12 +12,12 @@ ConnectionPoolDemo的程序逻辑：
 
 ### 如何运行这个例子：
 ```shell script
-# mvn exec:java -Dexec.mainClass="com.taosdata.demo.ConnectionPoolDemo" -Dexec.args="-host localhost"
+# mvn exec:java -Dexec.mainClass="com.taosdata.example.ConnectionPoolDemo" -Dexec.args="-host localhost"
 ```
 使用mvn运行ConnectionPoolDemo的main方法，可以指定参数
 ```shell script
 Usage: 
-mvn exec:java -Dexec.mainClass="com.taosdata.demo.ConnectionPoolDemo" -Dexec.args="<args>"
+mvn exec:java -Dexec.mainClass="com.taosdata.example.ConnectionPoolDemo" -Dexec.args="<args>"
 -host : hostname
 -poolType <c3p0| dbcp| druid| hikari>
 -poolSize <poolSize>
diff --git a/tests/examples/JDBC/connectionPools/pom.xml b/tests/examples/JDBC/connectionPools/pom.xml
index fbee256067dcc3dec5e5888384d5ca36d3b66066..84467003f905c454bb285088e56bcd26465a3e5e 100644
--- a/tests/examples/JDBC/connectionPools/pom.xml
+++ b/tests/examples/JDBC/connectionPools/pom.xml
@@ -12,7 +12,7 @@
         <dependency>
             <groupId>com.taosdata.jdbc</groupId>
             <artifactId>taos-jdbcdriver</artifactId>
-            <version>2.0.17</version>
+            <version>2.0.18</version>
         </dependency>
 
         <!-- druid -->
@@ -50,6 +50,35 @@
             <artifactId>log4j</artifactId>
             <version>1.2.17</version>
         </dependency>
-
     </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <version>3.1.0</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>com.taosdata.example.ConnectionPoolDemo</mainClass>
+                        </manifest>
+                    </archive>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>make-assembly</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
\ No newline at end of file
diff --git a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/ConnectionPoolDemo.java b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/ConnectionPoolDemo.java
similarity index 91%
rename from tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/ConnectionPoolDemo.java
rename to tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/ConnectionPoolDemo.java
index 6787e07423e3e92d81810cfba79828f48ecc8cb8..7b603ec97f1308302a48154833c8d28ef2087392 100644
--- a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/ConnectionPoolDemo.java
+++ b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/ConnectionPoolDemo.java
@@ -1,19 +1,15 @@
-package com.taosdata.demo;
+package com.taosdata.example;
 
-import com.taosdata.demo.common.InsertTask;
-import com.taosdata.demo.pool.C3p0Builder;
-import com.taosdata.demo.pool.DbcpBuilder;
-import com.taosdata.demo.pool.DruidPoolBuilder;
-import com.taosdata.demo.pool.HikariCpBuilder;
+import com.taosdata.example.pool.C3p0Builder;
+import com.taosdata.example.pool.DbcpBuilder;
+import com.taosdata.example.pool.DruidPoolBuilder;
+import com.taosdata.example.pool.HikariCpBuilder;
 import org.apache.log4j.Logger;
 
 import javax.sql.DataSource;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.sql.Statement;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.TimeUnit;
 
 public class ConnectionPoolDemo {
 
diff --git a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/common/InsertTask.java b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/common/InsertTask.java
similarity index 97%
rename from tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/common/InsertTask.java
rename to tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/common/InsertTask.java
index 2396287fecd2c3be3217c3b7de0454d6f11e6bac..e39a613aa6d69f3885e9ff1670628e92e3bdd7be 100644
--- a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/common/InsertTask.java
+++ b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/common/InsertTask.java
@@ -1,4 +1,4 @@
-package com.taosdata.demo.common;
+package com.taosdata.example.common;
 
 import org.apache.log4j.Logger;
 
diff --git a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/C3p0Builder.java b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/C3p0Builder.java
similarity index 89%
rename from tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/C3p0Builder.java
rename to tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/C3p0Builder.java
index 587f417410f96f43be2ced5a4820cd49cdb99a17..235db0bb796ee507b2d93838c8e7bfa7de870fcd 100644
--- a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/C3p0Builder.java
+++ b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/C3p0Builder.java
@@ -1,7 +1,6 @@
-package com.taosdata.demo.pool;
+package com.taosdata.example.pool;
 
 import com.mchange.v2.c3p0.ComboPooledDataSource;
-import org.apache.commons.dbcp.BasicDataSource;
 
 import javax.sql.DataSource;
 import java.beans.PropertyVetoException;
diff --git a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/DbcpBuilder.java b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/DbcpBuilder.java
similarity index 93%
rename from tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/DbcpBuilder.java
rename to tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/DbcpBuilder.java
index 3c34a32532f595bf3134942094e96e952bd09dbb..3aa9e4ebcf2d07ba1e6a51a2dae216cf44e88486 100644
--- a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/DbcpBuilder.java
+++ b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/DbcpBuilder.java
@@ -1,4 +1,4 @@
-package com.taosdata.demo.pool;
+package com.taosdata.example.pool;
 
 import org.apache.commons.dbcp.BasicDataSource;
 
diff --git a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/DruidPoolBuilder.java b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/DruidPoolBuilder.java
similarity index 95%
rename from tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/DruidPoolBuilder.java
rename to tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/DruidPoolBuilder.java
index e9fc496af34be38417f5d5c7a01bbda9c972044f..500f0e9e97cc09c2c5e9990234f051d0bbc72044 100644
--- a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/DruidPoolBuilder.java
+++ b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/DruidPoolBuilder.java
@@ -1,4 +1,4 @@
-package com.taosdata.demo.pool;
+package com.taosdata.example.pool;
 
 import com.alibaba.druid.pool.DruidDataSource;
 
diff --git a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/HikariCpBuilder.java b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/HikariCpBuilder.java
similarity index 97%
rename from tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/HikariCpBuilder.java
rename to tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/HikariCpBuilder.java
index 5cfe7e6e6a00fabd67ebd585f0b40ee6276cc2b0..7e151de3e052495b3ce50ffe042732717fcc38f4 100644
--- a/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/HikariCpBuilder.java
+++ b/tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/example/pool/HikariCpBuilder.java
@@ -1,4 +1,4 @@
-package com.taosdata.demo.pool;
+package com.taosdata.example.pool;
 
 import com.zaxxer.hikari.HikariConfig;
 import com.zaxxer.hikari.HikariDataSource;