diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/SetConfigurationInJNITest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/SetConfigurationInJNITest.java
index cb7619c1f30f6bdd111454de2313f02b4ef8ccc6..986325bdfacf991b87435482407f39921763b4d5 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/SetConfigurationInJNITest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/SetConfigurationInJNITest.java
@@ -30,6 +30,7 @@ public class SetConfigurationInJNITest {
             stmt.execute("create database if not exists " + dbname);
             stmt.execute("use " + dbname);
             stmt.execute("create table weather(ts timestamp, f1 int) tags(loc nchar(10))");
+            stmt.execute("drop database if exists " + dbname);
 
             stmt.close();
             conn.close();
@@ -50,6 +51,7 @@ public class SetConfigurationInJNITest {
             stmt.execute("create database if not exists " + dbname);
             stmt.execute("use " + dbname);
             stmt.execute("create table weather(ts timestamp, f1 int) tags(loc nchar(10))");
+            stmt.execute("drop database if exists " + dbname);
 
             stmt.close();
             conn.close();