diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBDriverTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBDriverTest.java
index f7a200b33d79dcec3a8d5e5901c66c3e9c6eb43c..1b8f2f04d8fa374618216440d01e55271cdf70fe 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBDriverTest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBDriverTest.java
@@ -159,6 +159,7 @@ public class TSDBDriverTest {
         try {
             if (islibLoaded) {
                 Connection conn = DriverManager.getConnection(jdbcUrl, connProps);
+                System.out.println(conn);
                 assertNotNull("failure - connection should not be null", conn);
             }
         } catch (SQLException e) {