diff --git a/video/数学-2下-视频--认识数字/认识数字课.mp4 b/video/数学-2下-视频--认识数字/认识数字课.mp4 deleted file mode 100644 index a66b2e0..0000000 Binary files a/video/数学-2下-视频--认识数字/认识数字课.mp4 and /dev/null differ