diff --git a/audio/skill/gztongduo1.mp3 b/audio/skill/gztongduo1.mp3 new file mode 100644 index 000000000..fcc33e4e0 Binary files /dev/null and b/audio/skill/gztongduo1.mp3 differ diff --git a/audio/skill/gztongduo2.mp3 b/audio/skill/gztongduo2.mp3 new file mode 100644 index 000000000..aec506e65 Binary files /dev/null and b/audio/skill/gztongduo2.mp3 differ