diff --git a/regression-test/suites/external_table_p2/iceberg/test_hive_migrate_iceberg.groovy b/regression-test/suites/external_table_p2/iceberg/test_hive_migrate_iceberg.groovy
index 033e889988efa9..b77027ce5ba586 100644
--- a/regression-test/suites/external_table_p2/iceberg/test_hive_migrate_iceberg.groovy
+++ b/regression-test/suites/external_table_p2/iceberg/test_hive_migrate_iceberg.groovy
@@ -34,6 +34,7 @@ suite("test_hive_migrate_iceberg", "p2,external,iceberg,external_remote,external
     sql """create catalog if not exists ${catalog_name} properties (
         "type" = "iceberg",
         "iceberg.catalog.type" = "hms",
+        'hive.version' = '3.1.3',
         ${props}
     );"""
     logger.info("catalog " + catalog_name + " created")
diff --git a/regression-test/suites/external_table_p2/maxcompute/write/test_mc_write_ctas.groovy b/regression-test/suites/external_table_p2/maxcompute/write/test_mc_write_ctas.groovy
index 1a84b2202f44cc..6ccae3bb8e9359 100644
--- a/regression-test/suites/external_table_p2/maxcompute/write/test_mc_write_ctas.groovy
+++ b/regression-test/suites/external_table_p2/maxcompute/write/test_mc_write_ctas.groovy
@@ -44,6 +44,8 @@ suite("test_mc_write_ctas", "p2,external") {
 
     def uuid = UUID.randomUUID().toString().replace("-", "").substring(0, 8)
     String db = "mc_write_ctas_${uuid}"
+    String internal_db = "mc_ctas_internal_${uuid}"
+    String internal_tb = "ctas_internal_src_${uuid}"
 
     sql """drop database if exists ${db}"""
     sql """create database ${db}"""
@@ -99,8 +101,6 @@ suite("test_mc_write_ctas", "p2,external") {
         order_qt_ctas_agg """ SELECT * FROM ${tb5} """
 
         // Test 6: CTAS from internal catalog (cross-catalog)
-        String internal_db = "mc_ctas_internal_${uuid}"
-        String internal_tb = "ctas_internal_src_${uuid}"
         sql """CREATE DATABASE IF NOT EXISTS internal.${internal_db}"""
         sql """DROP TABLE IF EXISTS internal.${internal_db}.${internal_tb}"""
         sql """