diff --git a/server/voice_changer/DDSP_SVC/models/readme.txt b/server/voice_changer/DDSP_SVC/models/readme.txt
new file mode 100644
index 00000000..1140ea1a
--- /dev/null
+++ b/server/voice_changer/DDSP_SVC/models/readme.txt
@@ -0,0 +1 @@
+modules in this folder from https://github.com/yxlllc/DDSP-SVC at a1f4680ebf89c389b5085757184a8ef972c18009