diff --git a/.gitmodules b/.gitmodules
index d94a2ee..ae6a8f0 100755
--- a/.gitmodules
+++ b/.gitmodules
@@ -202,3 +202,6 @@
 [submodule "airtanks"]
 	path = airtanks
 	url = https://github.com/minetest-mods/airtanks
+[submodule "smartshop"]
+	path = smartshop
+	url = https://github.com/AiTechEye/smartshop
diff --git a/smartshop b/smartshop
new file mode 160000
index 0000000..cf6817e
--- /dev/null
+++ b/smartshop
@@ -0,0 +1 @@
+Subproject commit cf6817e0a18a799dab519e69016590af4b4b78ef