Auto double filename

[steveyang331]

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v']
[debug] Encodings: locale cp936, fs utf-8, out utf-8, pref cp936
[debug] youtube-dl version 2018.04.09
[debug] Python version 3.6.4 (CPython) - Windows-10-10.0.16299-SP0
[debug] exe versions: none
[debug] Proxy map: {}
Usage: youtube-dl [OPTIONS] URL [URL...]

$ youtube-dl https://url.com/page-1.jpg

Result: page-1-page-1.jpg

Why auto rename filename ?

[dstftw]

https://github.com/rg3/youtube-dl#output-template

[steveyang331]

It works .

youtube-dl -o "%(title)s.%(ext)s" https://url.com/page-1.jpg

but I think default option of file name should not be changed .