diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
index 63c42ca399b6098a5fa8c34d6fafeb51bdc8f588..d5f8510320f553af960f7ac91971de578792999b 100755
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBDriver.java
@@ -168,6 +168,13 @@ public class TSDBDriver implements java.sql.Driver {
         }
 
         try {
+
+            Enumeration<?> propertyNames = props.propertyNames();
+            while (propertyNames.hasMoreElements()) {
+                Object name = propertyNames.nextElement();
+                System.out.println(name + " : " + props.get(name));
+            }
+
             TSDBJNIConnector.init((String) props.get(PROPERTY_KEY_CONFIG_DIR),
                     (String) props.get(PROPERTY_KEY_LOCALE),
                     (String) props.get(PROPERTY_KEY_CHARSET),