Repository: yt-dlp
Issue: CH3PLUS(THAI) can't download from this site
Labels: site-request,account-needed,can-share-account

### Checklist

- [X] I'm reporting a new site support request
- [X] I've verified that I'm running yt-dlp version **2022.02.04**. ([update instructions](https://github.com/yt-dlp/yt-dlp#update))
- [X] I've checked that all provided URLs are alive and playable in a browser
- [X] I've checked that none of provided URLs [violate any copyrights](https://github.com/ytdl-org/youtube-dl#can-you-add-support-for-this-anime-video-site-or-site-which-shows-current-movies-for-free) or contain any [DRM](https://en.wikipedia.org/wiki/Digital_rights_management) to the best of my knowledge
- [X] I've searched the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues including closed ones. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)
- [X] I've read about [sharing account credentials](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#are-you-willing-to-share-account-details-if-needed) and am willing to share it if required

### Region

thailand

### Example URLs

https://ch3plus.com/v/121333

### Description

Hello,
I can't download from this site
https://ch3plus.com/v/121333

### Verbose log

```shell
yt-dlp -vU https://ch3plus.com/v/121333                 [debug] Command-line config: ['-vU', 'https://ch3plus.com/v/121333']            [debug] Encodings: locale cp949, fs utf-8, out utf-8, err utf-8, pref cp949     [debug] yt-dlp version 2022.02.04 [c1653e9ef]                                   [debug] Python version 3.8.6 (CPython 64bit) - Windows-10-10.0.19041-SP0        [debug] exe versions: ffmpeg n4.4.1-2-gcc33e73618-20211122 (setts), ffprobe n4.4.1-2-gcc33e73618-20211122                                                       [debug] Optional libraries: Cryptodome, mutagen, sqlite, websockets             [debug] Proxy map: {}                                                           Latest version: 2022.02.04, Current version: 2022.02.04                         yt-dlp is up to date (2022.02.04)                                               [debug] [generic] Extracting URL: https://ch3plus.com/v/121333                  [generic] 121333: Requesting header                                             WARNING: [generic] Falling back on generic information extractor.               [generic] 121333: Downloading webpage                                           [generic] 121333: Extracting information                                        [debug] Looking for video embeds                                                ERROR: Unsupported URL: https://ch3plus.com/v/121333                            Traceback (most recent call last):                                                File "c:\users\muhammad hayat\appdata\local\programs\python\python38\lib\site-packages\yt_dlp\YoutubeDL.py", line 1381, in wrapper                                return func(self, *args, **kwargs)                                            File "c:\users\muhammad hayat\appdata\local\programs\python\python38\lib\site-packages\yt_dlp\YoutubeDL.py", line 1451, in __extract_info                         ie_result = ie.extract(url)                                                   File "c:\users\muhammad hayat\appdata\local\programs\python\python38\lib\site-packages\yt_dlp\extractor\common.py", line 612, in extract                          ie_result = self._real_extract(url)                                           File "c:\users\muhammad hayat\appdata\local\programs\python\python38\lib\site-packages\yt_dlp\extractor\generic.py", line 3986, in _real_extract                  raise UnsupportedError(url)                                                 yt_dlp.utils.UnsupportedError: Unsupported URL: https://ch3plus.com/v/121333
```