diff --git a/src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_93_019.sql b/src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_93_019.sql
index 1bd356568009c0a53969ff6f1d77a6c84754a697..11c707dbdac38581b788a684330e9e91061124e7 100644
--- a/src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_93_019.sql
+++ b/src/include/catalog/upgrade_sql/rollback_catalog_maindb/rollback-post_catalog_maindb_93_019.sql
@@ -180,8 +180,22 @@ DROP TYPE IF EXISTS pg_catalog._vector CASCADE;
 
 DROP OPERATOR IF EXISTS pg_catalog.<~>(bit, bit) CASCADE;
 DROP OPERATOR IF EXISTS pg_catalog.<%>(bit, bit) CASCADE;
-DROP ACCESS METHOD IF EXISTS ivfflat CASCADE;
-DROP ACCESS METHOD IF EXISTS hnsw CASCADE;
+
+DO $$
+DECLARE
+    version_text TEXT;
+    major_version INT;
+BEGIN
+    SELECT version() INTO version_text;
+    major_version := regexp_replace(version_text, '.*openGauss(?:-lite)? (\d+)\..*', '\1')::INT;
+    IF major_version >= 6 THEN
+        EXECUTE 'DROP ACCESS METHOD IF EXISTS ivfflat CASCADE';
+        EXECUTE 'DROP ACCESS METHOD IF EXISTS hnsw CASCADE;';
+    ELSE
+        RAISE NOTICE 'Current version is %, DROP ACCESS METHOD is not executed.', version_text;
+    END IF;
+END $$;
+
 DROP FUNCTION IF EXISTS pg_catalog.vector_avg(_float8) CASCADE;
 DROP FUNCTION IF EXISTS pg_catalog.vector_combine(_float8, _float8) CASCADE;
 DROP FUNCTION IF EXISTS pg_catalog.array_to_vector(_int4, int4, boolean) CASCADE;
diff --git a/src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_93_019.sql b/src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_93_019.sql
index 1bd356568009c0a53969ff6f1d77a6c84754a697..11c707dbdac38581b788a684330e9e91061124e7 100644
--- a/src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_93_019.sql
+++ b/src/include/catalog/upgrade_sql/rollback_catalog_otherdb/rollback-post_catalog_otherdb_93_019.sql
@@ -180,8 +180,22 @@ DROP TYPE IF EXISTS pg_catalog._vector CASCADE;
 
 DROP OPERATOR IF EXISTS pg_catalog.<~>(bit, bit) CASCADE;
 DROP OPERATOR IF EXISTS pg_catalog.<%>(bit, bit) CASCADE;
-DROP ACCESS METHOD IF EXISTS ivfflat CASCADE;
-DROP ACCESS METHOD IF EXISTS hnsw CASCADE;
+
+DO $$
+DECLARE
+    version_text TEXT;
+    major_version INT;
+BEGIN
+    SELECT version() INTO version_text;
+    major_version := regexp_replace(version_text, '.*openGauss(?:-lite)? (\d+)\..*', '\1')::INT;
+    IF major_version >= 6 THEN
+        EXECUTE 'DROP ACCESS METHOD IF EXISTS ivfflat CASCADE';
+        EXECUTE 'DROP ACCESS METHOD IF EXISTS hnsw CASCADE;';
+    ELSE
+        RAISE NOTICE 'Current version is %, DROP ACCESS METHOD is not executed.', version_text;
+    END IF;
+END $$;
+
 DROP FUNCTION IF EXISTS pg_catalog.vector_avg(_float8) CASCADE;
 DROP FUNCTION IF EXISTS pg_catalog.vector_combine(_float8, _float8) CASCADE;
 DROP FUNCTION IF EXISTS pg_catalog.array_to_vector(_int4, int4, boolean) CASCADE;