diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ebcca12
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "frontend"]
+	path = frontend
+	url = https://zhi:rT5Wjw24mV4all38fIoNQfl2@git.hangman-lab.top/zhi/HarborForge.Frontend.git
diff --git a/frontend b/frontend
new file mode 160000
index 0000000..c1cfff7
--- /dev/null
+++ b/frontend
@@ -0,0 +1 @@
+Subproject commit c1cfff7baf0cc6dd9f2bd47bc16dd3d91251dbcb