diff --git a/video/数学-2下-视频--认识时钟/认识时钟.mp4 b/video/数学-2下-视频--认识时钟/认识时钟.mp4 deleted file mode 100644 index 0626488..0000000 Binary files a/video/数学-2下-视频--认识时钟/认识时钟.mp4 and /dev/null differ