diff --git a/docs/component/data.rst b/docs/component/data.rst
index 0a650c523..6bc55cf6c 100644
--- a/docs/component/data.rst
+++ b/docs/component/data.rst
@@ -72,12 +72,14 @@ Converting CSV Format into Qlib Format
 
 ``Qlib`` has provided the script ``scripts/dump_bin.py`` to convert **any** data in CSV format into `.bin` files (``Qlib`` format) as long as they are in the correct format.
 
-Users can download the demo china-stock data in CSV format as follows for reference to the CSV format.
+Users can download the 1 day demo china-stock data in CSV format as follows for reference to the CSV format.
 
 .. code-block:: bash
 
     python scripts/get_data.py csv_data_cn --target_dir ~/.qlib/csv_data/cn_data
 
+For 1min demo, please refer to the script `here <https://github.com/microsoft/qlib/issues/434>`_.
+
 Users can also provide their own data in CSV format. However, the CSV data **must satisfies** following criterions:
 
 - CSV file is named after a specific stock *or* the CSV file includes a column of the stock name