视频合成失败，多次尝试均无效

===========Video synthesis task started=========== Time: 2026-08-28 10:04:47.055922 Start video synthesis: E:/youtubee/yt-dlp_win/best/Why Teeny is the Best Controller Player.mp4 Use hard subtitles Check if CUDA is available CUDA is available Use CUDA acceleration Add hard subtitle execution command: ffmpeg -hwaccel cuda -i "E:/youtubee/yt-dlp_win/best/Why Teeny is the Best Controller Player.mp4" -acodec copy -vcodec libx264 -preset medium -vf subtitles='C:/Users/Administrator/AppData/Local/Temp/VideoCaptioner/temp_subtitle..ass' -y "E:\youtubee\yt-dlp_win\best\【卡卡】Why Teeny is the Best Controller Player.mp4"