diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..ca9e6a0
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "hediet.vscode-drawio"
+    ]
+}
\ No newline at end of file
diff --git a/xitongmoban.drawio.svg b/xitongmoban.drawio.svg
new file mode 100644
index 0000000..e69de29