FAQ ========================== .. contents:: :local: How to make the input form not disappear after submission, and can continue to receive input? ---------------------------------------------------------------------------------------------- You can consider the :doc:`pin <./pin>` module. It achieves persistent input by pinning input widgets to the page. How to output an input widget such as a search bar? ---------------------------------------------------------- You can consider the :doc:`pin <./pin>` module. Why the callback of ``put_buttons()`` does not work? ---------------------------------------------------------- You might use the old version of PyWebIO, upgrade it to the latest version or see `the old document `_ Why I cannot download the file using ``put_file()``? ---------------------------------------------------------- The reason is the same as above.