diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b9b3602
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "CCPD"]
+	path = CCPD
+	url = http://git.imtan.cn/JiChuang/ICE_Dataset_CCPD.git
+	update = none
diff --git a/CCPD b/CCPD
new file mode 160000
index 0000000..f36858f
--- /dev/null
+++ b/CCPD
@@ -0,0 +1 @@
+Subproject commit f36858facfb813f15f9a1a55179e0e4ea5fdfabe