diff --git a/.gitmodules b/.gitmodules
index a86fc4d..073d386 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "ScissorBot"]
 	path = ScissorBot
 	url = https://github.com/jiangranlv/ScissorBot_web.git
+[submodule "D3RoMa"]
+	path = D3RoMa
+	url = git@github.com:PKU-EPIC/D3RoMa_webpage.git
diff --git a/D3RoMa b/D3RoMa
new file mode 160000
index 0000000..d9b8766
--- /dev/null
+++ b/D3RoMa
@@ -0,0 +1 @@
+Subproject commit d9b876670d5ec3d707830f9540fd952c248a7484