mp4

让 DSH 桌面端壁纸持久不丢：支持 GIF 动图 & MP4 视频壁纸，内置全屏皮肤中心（上传、预览、一键应用、删除素材），重启、换端口、清缓存都不丢失。Server-side wallpaper & theme persistence for DSH Desktop — animated GIF / MP4 video wallpapers plus a full-screen skin center (upload, preview, apply, delete).