diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/FailOverTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/FailOverTest.java
index 881db3aaf41dd547a70b7a85a0c5c4e383cd8618..be2ff94e02e10c14f1229b63762f5a6af7082318 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/FailOverTest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/FailOverTest.java
@@ -18,7 +18,7 @@ public class FailOverTest {
         long end = System.currentTimeMillis() + 1000 * 60 * 5;
         while (System.currentTimeMillis() < end) {
             try (Connection conn = DriverManager.getConnection(url); Statement stmt = conn.createStatement()) {
-                ResultSet rs = stmt.executeQuery("show dnodes()");
+                ResultSet rs = stmt.executeQuery("show dnodes");
                 ResultSetMetaData meta = rs.getMetaData();
                 while (rs.next()) {
                     for (int i = 1; i <= meta.getColumnCount(); i++) {