Download Problem with web view Extension

Hello Everyone ! My problem is that , when i download any file with web view Extension it save as bin file not as file extension like (.mp4,.zip.rar).Plz solve this problem

First of all use kodular download component.

Show us the blocks you use to download.
You can first try to get the file name and then use the component to download

This can help you:

First set to get permission for read and write storage! Whatch this imageper|690x388