diff --git a/sql/engines/tests.py b/sql/engines/tests.py
index 2072c634fc..dacad4d343 100644
--- a/sql/engines/tests.py
+++ b/sql/engines/tests.py
@@ -319,7 +319,7 @@ def test_get_all_databases_exception_handling(self, mock_config_get, mock_info):
         new_engine = RedisEngine(instance=self.ins)
         result = new_engine.get_all_databases()
         # 验证返回的数据库列表是否符合预期.
-        expected_dbs = [str(x) for x in range(int(18))]
+        expected_dbs = [str(x) for x in range(int(19))]
         self.assertListEqual(result.rows, expected_dbs)
         # 验证config_get方法被调用
         mock_config_get.assert_called_once_with("databases")