diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..735dbd1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "pybind11"]
+	path = pybind11
+	url = https://git.zziyu.cn/Zengtudor/pybind11.git
diff --git a/pybind11 b/pybind11
new file mode 160000
index 0000000..e0f9e77
--- /dev/null
+++ b/pybind11
@@ -0,0 +1 @@
+Subproject commit e0f9e77466b667553d8e623c06bdfa7252012efe