diff --git a/packages/designer/.gitignore b/packages/designer/.gitignore
index 5261403b4..a3f292fcc 100644
--- a/packages/designer/.gitignore
+++ b/packages/designer/.gitignore
@@ -6,6 +6,7 @@ dist/
 .vscode/
 .theia/
 .recore/
+demo/
 ~*
 package-lock.json