diff --git a/03.Code/업로드용/static/js/demo_mode.js b/03.Code/업로드용/static/js/demo_mode.js
new file mode 100644
index 0000000..da6d017
--- /dev/null
+++ b/03.Code/업로드용/static/js/demo_mode.js
@@ -0,0 +1 @@
+/* demo_mode.js content */
\ No newline at end of file