diff --git a/tests/examples/JDBC/taosdemo/pom.xml b/tests/examples/JDBC/taosdemo/pom.xml
index 9b19ad9fb40873d5b0755cab043acd216647285d..64ffbc06b74b0da5a4d552403f1c600cbebb2842 100644
--- a/tests/examples/JDBC/taosdemo/pom.xml
+++ b/tests/examples/JDBC/taosdemo/pom.xml
@@ -68,6 +68,8 @@
             <groupId>com.taosdata.jdbc</groupId>
             <artifactId>taos-jdbcdriver</artifactId>
             <version>2.0.15</version>
+            <scope>system</scope>
+            <systemPath>${project.basedir}/src/main/resources/lib/taos-jdbcdriver-2.0.15.jar</systemPath>
         </dependency>
         <!-- fastjson -->
         <dependency>
@@ -75,12 +77,12 @@
             <artifactId>fastjson</artifactId>
             <version>1.2.75</version>
         </dependency>
-
-        <!-- mysql -->
+        <!-- mysql: just for test -->
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
             <version>5.1.47</version>
+            <scope>test</scope>
         </dependency>
         <!-- log4j -->
         <dependency>
@@ -111,6 +113,7 @@
                 <includes>
                     <include>**/*.properties</include>
                     <include>**/*.xml</include>
+                    <include>**/*.jar</include>
                 </includes>
                 <filtering>true</filtering>
             </resource>
diff --git a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java
index 200b17ec0651d5a6551815cbdb87165622c58157..b3c609bd0aa88770d4c34bb54d7ef9b2e5b62d2f 100644
--- a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java
+++ b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/TaosDemoApplication.java
@@ -25,8 +25,8 @@ public class TaosDemoApplication {
         // 读配置参数
         JdbcTaosdemoConfig config = new JdbcTaosdemoConfig(args);
         boolean isHelp = Arrays.asList(args).contains("--help");
-//        if (isHelp || config.host == null || config.host.isEmpty()) {
-        if (isHelp) {
+        if (isHelp || config.host == null || config.host.isEmpty()) {
+//        if (isHelp) {
             JdbcTaosdemoConfig.printHelp();
             System.exit(0);
         }
diff --git a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/DataSourceFactory.java b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/DataSourceFactory.java
index abd0fcf3a8d2280fba83f6d7964d26a063cd7f2b..c96d6f8bed68e9bb67d959ddb1d7531b4cbadeb3 100644
--- a/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/DataSourceFactory.java
+++ b/tests/examples/JDBC/taosdemo/src/main/java/com/taosdata/taosdemo/components/DataSourceFactory.java
@@ -23,10 +23,19 @@ public class DataSourceFactory {
                     properties.load(is);
 
                     HikariConfig config = new HikariConfig();
-                    if (properties.containsKey("jdbc.driver"))
+
+                    if (properties.containsKey("jdbc.driver")) {
+//                        String driverName = properties.getProperty("jdbc.driver");
+//                        System.out.println(">>> load driver : " + driverName);
+//                        try {
+//                            Class.forName(driverName);
+//                        } catch (ClassNotFoundException e) {
+//                            e.printStackTrace();
+//                        }
                         config.setDriverClassName(properties.getProperty("jdbc.driver"));
-                    else
+                    } else {
                         config.setDriverClassName("com.taosdata.jdbc.TSDBDriver");
+                    }
                     if ("com.taosdata.jdbc.rs.RestfulDriver".equalsIgnoreCase(properties.getProperty("jdbc.driver")))
                         config.setJdbcUrl("jdbc:TAOS-RS://" + host + ":6041/?charset=UTF-8&locale=en_US.UTF-8&timezone=UTC-8");
                     else
diff --git a/tests/examples/JDBC/taosdemo/src/main/resources/application.properties b/tests/examples/JDBC/taosdemo/src/main/resources/application.properties
index c85824d9979d2be77b0b1e14ed9eefa83c5919b7..aaa80b9f88dbda337214772bcbf668478f512823 100644
--- a/tests/examples/JDBC/taosdemo/src/main/resources/application.properties
+++ b/tests/examples/JDBC/taosdemo/src/main/resources/application.properties
@@ -14,7 +14,8 @@ spring.datasource.password=taosdata
 #spring.datasource.hikari.minimum-idle=1
 #spring.datasource.hikari.max-lifetime=0
 #logging.level.com.taosdata.taosdemo.dao=error
-jdbc.driver=com.taosdata.jdbc.TSDBDriver
+
+jdbc.driver=com.taosdata.jdbc.rs.RestfulDriver
 hikari.maximum-pool-size=500
 hikari.minimum-idle=100
 hikari.max-lifetime=0
\ No newline at end of file