diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..13b87947ca0753d267fe5f8d3fe4c3cdef0a367f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/plugin/MD5Calc"]
+	path = src/plugin/MD5Calc
+	url = https://github.com/Joker2770/MD5Calc.git
diff --git a/src/plugin/MD5Calc b/src/plugin/MD5Calc
new file mode 160000
index 0000000000000000000000000000000000000000..6d954167718207306c65e10761f94c39fd7e6152
--- /dev/null
+++ b/src/plugin/MD5Calc
@@ -0,0 +1 @@
+Subproject commit 6d954167718207306c65e10761f94c39fd7e6152