Your video information request was rejected for some unexpected reason. Please notify the developer: Get "https://r18.dev/videos/vod/movies/detail/-/combined=ggtb-016/json": EOF

and i don't know why

and my data sources only have r18,the others can not be selected

The itch.io version only supports one data source, which is correct. In addition, please read the community rules for submitting help requests so that we can help you properly. Without context, we can't do much troubleshooting.