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 f8212666020e820f70363b8d64dca7cbe64ed5c3..dbfc68c10048bb2098acf6b9552ef9e20d3b68af 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
@@ -224,6 +224,15 @@ public class TSDBDriverTest {
             }
         } catch (SQLException e) {
             e.printStackTrace();
+        } finally {
+            try {
+                if (statement != null)
+                    statement.close();
+                if (conn != null)
+                    conn.close();
+            } catch (SQLException e) {
+                e.printStackTrace();
+            }
         }
     }
 }
\ No newline at end of file