diff --git a/tests/examples/JDBC/JDBCDemo/readme.md b/tests/examples/JDBC/JDBCDemo/readme.md
index da638a0bcc485cb3d73f75b59348ec260cc871d2..94844420859a2cc56842e95e4ac8c664c8ffa2e7 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
index 9a34b7d6b17dd7725bd3bc629fb3fa7b42fa2dfe..07a21e79d1cd188528fbbc7548e35fac78c65600 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
@@ -132,7 +132,7 @@ public class JDBCDemo {
     }
 
     private static void printHelp() {
-        System.out.println("Usage: java -jar JdbcDemo.jar -host <hostname> -driverType <jni|restful>");
+        System.out.println("Usage: java -jar JDBCDemo.jar -host <hostname>");
         System.exit(0);
     }