Hi @xiaochaorou7 , do you have a machine on which you can download the entire KNIME update as a zip archive? For 5.3.2 it is about 8GB
The link for that is from this page:
https://docs.knime.com/latest/analytics_platform_installation_guide/index.html?pk_vid=3902d2873f466f151730204278d7c099#_adding_local_update_sites
in the following section:
Once you have the download, you will then need to make that available to your offline machine, e.g. via USB drive or network share.
Please take note of the following comment on the above page:
An example of adding an extension from a local update site can be found here:
You should be able to follow a similar process for installing the Python Integration, but post back with screenshots if you are still having problems.