diff --git a/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcDB2Client.java b/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcDB2Client.java
index fb22d3bd62d534..af89f33eb9aadf 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcDB2Client.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcDB2Client.java
@@ -34,6 +34,10 @@ protected JdbcDB2Client(JdbcClientConfig jdbcClientConfig) {
         super(jdbcClientConfig);
     }
 
+    public String getTestQuery() {
+        return "select 1 from sysibm.sysdummy1";
+    }
+
     @Override
     public List<String> getDatabaseNameList() {
         Connection conn = getConnection();
diff --git a/regression-test/suites/external_table_p0/jdbc/test_db2_jdbc_catalog.groovy b/regression-test/suites/external_table_p0/jdbc/test_db2_jdbc_catalog.groovy
index ddd812c7955f19..a7e7ecf764fba4 100644
--- a/regression-test/suites/external_table_p0/jdbc/test_db2_jdbc_catalog.groovy
+++ b/regression-test/suites/external_table_p0/jdbc/test_db2_jdbc_catalog.groovy
@@ -261,7 +261,7 @@ suite("test_db2_jdbc_catalog", "p0,external,db2,external_docker,external_docker_
 
             order_qt_desc_db "show databases from ${catalog_name};"
 
-            order_qt_select_xml "select * from db2.TEST.BOOKS;"
+            order_qt_select_xml "select * from TEST.BOOKS;"
 
             sql """ drop catalog if exists ${catalog_name} """