diff --git a/cmd/Open-IM-SDK-Core b/cmd/Open-IM-SDK-Core
new file mode 160000
index 000000000..3cf008476
--- /dev/null
+++ b/cmd/Open-IM-SDK-Core
@@ -0,0 +1 @@
+Subproject commit 3cf0084769c0950aed7700eede3a0c22fa398a7e