diff --git a/.gitmodules b/.gitmodules
index ded16cf..ed0620d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "img"]
 	path = img
 	url = git@github.com:IoTcat/img-api.git
+[submodule "msc"]
+	path = msc
+	url = git@github.com:IoTcat/msc-api.git
diff --git a/msc b/msc
new file mode 160000
index 0000000..2f56858
--- /dev/null
+++ b/msc
@@ -0,0 +1 @@
+Subproject commit 2f56858b5523b7eab989d0b65c7cf505f7fa0471