diff --git a/.gitignore b/.gitignore
index 91a20176..29b3f20d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 packages/packages
-tools/scripts
 
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..44d8ec7c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "tools/scripts"]
+    path = tools/scripts
+    url = https://github.com/RT-Thread/env.git
\ No newline at end of file